NORTHROP GRUMMAN CORPORATION has sponsored the creation of one or more 401k plans.
| Measure | Date | Value |
|---|
| 2022 : NG DC MT COMPANY STOCK FUND 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $1,328,282,498 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $1,328,282,498 |
| Total transfer of assets to this plan | 2022-12-31 | $623,630,003 |
| Total transfer of assets from this plan | 2022-12-31 | $831,664,378 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $239,292 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $199,064 |
| Total income from all sources (including contributions) | 2022-12-31 | $1,460,405,267 |
| Total loss/gain on sale of assets | 2022-12-31 | $72,689,467 |
| Total of all expenses incurred | 2022-12-31 | $444,761 |
| Value of total assets at end of year | 2022-12-31 | $4,729,965,883 |
| Value of total assets at beginning of year | 2022-12-31 | $3,477,999,524 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $444,761 |
| Total interest from all sources | 2022-12-31 | $146,698 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $59,170,708 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $24,458 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $5,160,590 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $239,292 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $199,064 |
| Other income not declared elsewhere | 2022-12-31 | $115,896 |
| Value of net income/loss | 2022-12-31 | $1,459,960,506 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $4,729,726,591 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $3,477,800,460 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Investment advisory and management fees | 2022-12-31 | $444,761 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $11,518,694 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $1,885,090 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $1,885,090 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $146,698 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | No |
| Assets. Invements in employer securities at end of year | 2022-12-31 | $4,718,422,731 |
| Assets. Invements in employer securities at beginning of year | 2022-12-31 | $3,470,953,844 |
| Income. Dividends from common stock | 2022-12-31 | $59,170,708 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2022-12-31 | $417,324,838 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $344,635,371 |
| 2021 : NG DC MT COMPANY STOCK FUND 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $723,732,835 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $723,732,835 |
| Total transfer of assets to this plan | 2021-12-31 | $384,855,994 |
| Total transfer of assets from this plan | 2021-12-31 | $753,748,828 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $199,064 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $183,003 |
| Total income from all sources (including contributions) | 2021-12-31 | $827,349,022 |
| Total loss/gain on sale of assets | 2021-12-31 | $46,360,925 |
| Total of all expenses incurred | 2021-12-31 | $378,964 |
| Value of total assets at end of year | 2021-12-31 | $3,477,999,524 |
| Value of total assets at beginning of year | 2021-12-31 | $3,019,906,239 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $378,964 |
| Total interest from all sources | 2021-12-31 | $16 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $57,127,110 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $5,160,590 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $20,136 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $199,064 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $183,003 |
| Other income not declared elsewhere | 2021-12-31 | $128,136 |
| Value of net income/loss | 2021-12-31 | $826,970,058 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $3,477,800,460 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $3,019,723,236 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Investment advisory and management fees | 2021-12-31 | $378,964 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $1,885,090 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $5,197,899 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $5,197,899 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $16 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | No |
| Assets. Invements in employer securities at end of year | 2021-12-31 | $3,470,953,844 |
| Assets. Invements in employer securities at beginning of year | 2021-12-31 | $3,014,688,204 |
| Income. Dividends from common stock | 2021-12-31 | $57,127,110 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2021-12-31 | $429,048,611 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $382,687,686 |
| 2020 : NG DC MT COMPANY STOCK FUND 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $-380,009,578 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $-380,009,578 |
| Total transfer of assets to this plan | 2020-12-31 | $648,198,071 |
| Total transfer of assets from this plan | 2020-12-31 | $941,198,630 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $183,003 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $5,041,801 |
| Total income from all sources (including contributions) | 2020-12-31 | $-340,129,323 |
| Total loss/gain on sale of assets | 2020-12-31 | $-18,230,147 |
| Total of all expenses incurred | 2020-12-31 | $410,356 |
| Value of total assets at end of year | 2020-12-31 | $3,019,906,239 |
| Value of total assets at beginning of year | 2020-12-31 | $3,658,305,275 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $410,356 |
| Total interest from all sources | 2020-12-31 | $30,844 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $57,534,556 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $20,136 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $9,586 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $183,003 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $5,041,801 |
| Other income not declared elsewhere | 2020-12-31 | $545,002 |
| Value of net income/loss | 2020-12-31 | $-340,539,679 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $3,019,723,236 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $3,653,263,474 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Investment advisory and management fees | 2020-12-31 | $410,356 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $5,197,899 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $8,574,143 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $8,574,143 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $30,844 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | No |
| Assets. Invements in employer securities at end of year | 2020-12-31 | $3,014,688,204 |
| Assets. Invements in employer securities at beginning of year | 2020-12-31 | $3,649,721,546 |
| Income. Dividends from common stock | 2020-12-31 | $57,534,556 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2020-12-31 | $382,719,568 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $400,949,715 |
| 2019 : NG DC MT COMPANY STOCK FUND 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $1,011,826,441 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $1,011,826,441 |
| Total transfer of assets to this plan | 2019-12-31 | $568,697,977 |
| Total transfer of assets from this plan | 2019-12-31 | $807,191,359 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $5,041,801 |
| Total income from all sources (including contributions) | 2019-12-31 | $1,158,902,800 |
| Total loss/gain on sale of assets | 2019-12-31 | $90,835,372 |
| Total of all expenses incurred | 2019-12-31 | $396,071 |
| Value of total assets at end of year | 2019-12-31 | $3,658,305,275 |
| Value of total assets at beginning of year | 2019-12-31 | $2,733,250,127 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $396,071 |
| Total interest from all sources | 2019-12-31 | $129,232 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $56,011,224 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $9,586 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $1,005,754 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $5,041,801 |
| Other income not declared elsewhere | 2019-12-31 | $100,531 |
| Value of net income/loss | 2019-12-31 | $1,158,506,729 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $3,653,263,474 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $2,733,250,127 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Investment advisory and management fees | 2019-12-31 | $396,071 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $8,574,143 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $10,835,980 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $10,835,980 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $129,232 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | No |
| Assets. Invements in employer securities at end of year | 2019-12-31 | $3,649,721,546 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $2,721,408,393 |
| Income. Dividends from common stock | 2019-12-31 | $56,011,224 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2019-12-31 | $353,644,695 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $262,809,323 |
| 2018 : NG DC MT COMPANY STOCK FUND 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-696,378,469 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-696,378,469 |
| Total transfer of assets to this plan | 2018-12-31 | $602,661,430 |
| Total transfer of assets from this plan | 2018-12-31 | $935,230,647 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $1,034,039 |
| Total income from all sources (including contributions) | 2018-12-31 | $-647,923,295 |
| Total loss/gain on sale of assets | 2018-12-31 | $-9,717,365 |
| Total of all expenses incurred | 2018-12-31 | $442,756 |
| Value of total assets at end of year | 2018-12-31 | $2,733,250,127 |
| Value of total assets at beginning of year | 2018-12-31 | $3,715,219,434 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $442,756 |
| Total interest from all sources | 2018-12-31 | $160,945 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $54,880,046 |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $1,005,754 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $8,431 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $1,034,039 |
| Other income not declared elsewhere | 2018-12-31 | $3,131,548 |
| Value of net income/loss | 2018-12-31 | $-648,366,051 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $2,733,250,127 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $3,714,185,395 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Investment advisory and management fees | 2018-12-31 | $442,756 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $10,835,980 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $8,361,230 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $8,361,230 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $160,945 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | No |
| Assets. Invements in employer securities at end of year | 2018-12-31 | $2,721,408,393 |
| Assets. Invements in employer securities at beginning of year | 2018-12-31 | $3,706,849,773 |
| Income. Dividends from common stock | 2018-12-31 | $54,880,046 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2018-12-31 | $445,686,852 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $455,404,217 |
| 2017 : NG DC MT COMPANY STOCK FUND 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $880,826,025 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $880,826,025 |
| Total transfer of assets to this plan | 2017-12-31 | $442,770,821 |
| Total transfer of assets from this plan | 2017-12-31 | $613,878,573 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,034,039 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $1,486,845 |
| Total income from all sources (including contributions) | 2017-12-31 | $955,682,806 |
| Total loss/gain on sale of assets | 2017-12-31 | $26,992,389 |
| Total of all expenses incurred | 2017-12-31 | $374,610 |
| Value of total assets at end of year | 2017-12-31 | $3,715,219,434 |
| Value of total assets at beginning of year | 2017-12-31 | $2,931,471,796 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $374,610 |
| Total interest from all sources | 2017-12-31 | $73,031 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $47,658,864 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $8,431 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $5,739 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $1,034,039 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $1,486,845 |
| Other income not declared elsewhere | 2017-12-31 | $132,497 |
| Value of net income/loss | 2017-12-31 | $955,308,196 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $3,714,185,395 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $2,929,984,951 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Investment advisory and management fees | 2017-12-31 | $374,610 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $8,361,230 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $4,693,990 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $4,693,990 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $73,031 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | No |
| Assets. Invements in employer securities at end of year | 2017-12-31 | $3,706,849,773 |
| Assets. Invements in employer securities at beginning of year | 2017-12-31 | $2,926,772,067 |
| Income. Dividends from common stock | 2017-12-31 | $47,658,864 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2017-12-31 | $240,818,833 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $213,826,444 |
| 2016 : NG DC MT COMPANY STOCK FUND 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $528,113,419 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $528,113,419 |
| Total transfer of assets to this plan | 2016-12-31 | $509,239,420 |
| Total transfer of assets from this plan | 2016-12-31 | $656,970,183 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,486,845 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $1,222,219 |
| Total income from all sources (including contributions) | 2016-12-31 | $610,046,096 |
| Total loss/gain on sale of assets | 2016-12-31 | $36,241,073 |
| Total of all expenses incurred | 2016-12-31 | $327,783 |
| Value of total assets at end of year | 2016-12-31 | $2,931,471,796 |
| Value of total assets at beginning of year | 2016-12-31 | $2,469,219,620 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $327,783 |
| Total interest from all sources | 2016-12-31 | $37,865 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $45,107,279 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $5,739 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $1,386 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-12-31 | $1,486,845 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-12-31 | $1,222,219 |
| Other income not declared elsewhere | 2016-12-31 | $546,460 |
| Value of net income/loss | 2016-12-31 | $609,718,313 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $2,929,984,951 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $2,467,997,401 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Investment advisory and management fees | 2016-12-31 | $327,783 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $4,693,990 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $5,022,295 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $5,022,295 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $37,865 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | No |
| Assets. Invements in employer securities at end of year | 2016-12-31 | $2,926,772,067 |
| Assets. Invements in employer securities at beginning of year | 2016-12-31 | $2,464,195,939 |
| Income. Dividends from common stock | 2016-12-31 | $45,107,279 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2016-12-31 | $297,499,336 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $261,258,263 |
| 2015 : NG DC MT COMPANY STOCK FUND 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $522,758,947 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $522,758,947 |
| Total transfer of assets to this plan | 2015-12-31 | $261,901,767 |
| Total transfer of assets from this plan | 2015-12-31 | $366,136,530 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $1,222,219 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-12-31 | $697,849 |
| Total income from all sources (including contributions) | 2015-12-31 | $590,246,358 |
| Total loss/gain on sale of assets | 2015-12-31 | $26,086,830 |
| Total of all expenses incurred | 2015-12-31 | $335,223 |
| Value of total assets at end of year | 2015-12-31 | $2,469,219,620 |
| Value of total assets at beginning of year | 2015-12-31 | $1,983,018,878 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $335,223 |
| Total interest from all sources | 2015-12-31 | $7,580 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $41,178,027 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $1,386 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $285 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-12-31 | $1,222,219 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-12-31 | $697,849 |
| Other income not declared elsewhere | 2015-12-31 | $214,974 |
| Value of net income/loss | 2015-12-31 | $589,911,135 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $2,467,997,401 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $1,982,321,029 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Investment advisory and management fees | 2015-12-31 | $335,223 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $5,022,295 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $4,523,327 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $4,523,327 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $7,580 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | No |
| Assets. Invements in employer securities at end of year | 2015-12-31 | $2,464,195,939 |
| Assets. Invements in employer securities at beginning of year | 2015-12-31 | $1,978,495,266 |
| Income. Dividends from common stock | 2015-12-31 | $41,178,027 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2015-12-31 | $208,109,755 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $182,022,925 |
| 2014 : NG DC MT COMPANY STOCK FUND 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $430,430,441 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $430,430,441 |
| Total transfer of assets to this plan | 2014-12-31 | $182,542,640 |
| Total transfer of assets from this plan | 2014-12-31 | $296,267,354 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $697,849 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $332,866 |
| Total income from all sources (including contributions) | 2014-12-31 | $484,801,302 |
| Total loss/gain on sale of assets | 2014-12-31 | $16,898,585 |
| Total of all expenses incurred | 2014-12-31 | $221,937 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $1,983,018,878 |
| Value of total assets at beginning of year | 2014-12-31 | $1,611,799,244 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $221,937 |
| Total interest from all sources | 2014-12-31 | $2,681 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $37,236,700 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $285 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $2,507,925 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-12-31 | $697,849 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-12-31 | $332,866 |
| Other income not declared elsewhere | 2014-12-31 | $232,895 |
| Value of net income/loss | 2014-12-31 | $484,579,365 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $1,982,321,029 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $1,611,466,378 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Investment advisory and management fees | 2014-12-31 | $221,937 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $4,523,327 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $2,844,896 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $2,844,896 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $2,681 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | No |
| Assets. Invements in employer securities at end of year | 2014-12-31 | $1,978,495,266 |
| Assets. Invements in employer securities at beginning of year | 2014-12-31 | $1,606,446,423 |
| Income. Dividends from common stock | 2014-12-31 | $37,236,700 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2014-12-31 | $179,618,826 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $162,720,241 |
| 2013 : NG DC MT COMPANY STOCK FUND 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $647,296,671 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $647,296,671 |
| Total transfer of assets to this plan | 2013-12-31 | $115,040,070 |
| Total transfer of assets from this plan | 2013-12-31 | $276,293,632 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $332,866 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $165,287 |
| Total income from all sources (including contributions) | 2013-12-31 | $712,801,893 |
| Total loss/gain on sale of assets | 2013-12-31 | $30,591,414 |
| Total of all expenses incurred | 2013-12-31 | $130,293 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $0 |
| Value of total assets at end of year | 2013-12-31 | $1,611,799,244 |
| Value of total assets at beginning of year | 2013-12-31 | $1,060,213,627 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $130,293 |
| Total interest from all sources | 2013-12-31 | $2,336 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $34,834,065 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $2,507,925 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $260 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-12-31 | $332,866 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-12-31 | $165,287 |
| Other income not declared elsewhere | 2013-12-31 | $77,407 |
| Value of net income/loss | 2013-12-31 | $712,671,600 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $1,611,466,378 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $1,060,048,340 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Investment advisory and management fees | 2013-12-31 | $130,293 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $2,844,896 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $1,407,366 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $1,407,366 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $2,336 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | No |
| Assets. Invements in employer securities at end of year | 2013-12-31 | $1,606,446,423 |
| Assets. Invements in employer securities at beginning of year | 2013-12-31 | $1,058,806,001 |
| Income. Dividends from common stock | 2013-12-31 | $34,834,065 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2013-12-31 | $170,913,206 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $140,321,792 |
| 2012 : NG DC MT COMPANY STOCK FUND 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $141,109,439 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $141,109,439 |
| Total transfer of assets to this plan | 2012-12-31 | $103,258,574 |
| Total transfer of assets from this plan | 2012-12-31 | $351,677,497 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $165,287 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $234,196 |
| Total income from all sources (including contributions) | 2012-12-31 | $203,208,610 |
| Total loss/gain on sale of assets | 2012-12-31 | $24,263,569 |
| Total of all expenses incurred | 2012-12-31 | $177,016 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $0 |
| Value of total assets at end of year | 2012-12-31 | $1,060,213,627 |
| Value of total assets at beginning of year | 2012-12-31 | $1,105,669,865 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $177,016 |
| Total interest from all sources | 2012-12-31 | $4,623 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $37,804,226 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $260 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $2,115,550 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $165,287 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-12-31 | $234,196 |
| Other income not declared elsewhere | 2012-12-31 | $26,753 |
| Value of net income/loss | 2012-12-31 | $203,031,594 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $1,060,048,340 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $1,105,435,669 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Investment advisory and management fees | 2012-12-31 | $177,016 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $1,407,366 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $572,801 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $572,801 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $4,623 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | No |
| Assets. Invements in employer securities at end of year | 2012-12-31 | $1,058,806,001 |
| Assets. Invements in employer securities at beginning of year | 2012-12-31 | $1,102,981,514 |
| Income. Dividends from common stock | 2012-12-31 | $37,804,226 |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2012-12-31 | $249,187,303 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $224,923,734 |
| 2011 : NG DC MT COMPANY STOCK FUND 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-3,137,777 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-3,137,777 |
| Total transfer of assets to this plan | 2011-12-31 | $129,033,253 |
| Total transfer of assets from this plan | 2011-12-31 | $351,049,282 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $234,196 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $240,137 |
| Total income from all sources (including contributions) | 2011-12-31 | $-82,882,272 |
| Total loss/gain on sale of assets | 2011-12-31 | $-27,779,519 |
| Total of all expenses incurred | 2011-12-31 | $193,394 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $0 |
| Value of total assets at end of year | 2011-12-31 | $1,105,669,865 |
| Value of total assets at beginning of year | 2011-12-31 | $1,410,767,501 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $193,394 |
| Total interest from all sources | 2011-12-31 | $4,764 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $38,676,373 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $2,115,550 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $2,827,157 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-12-31 | $234,196 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-12-31 | $240,137 |
| Other income not declared elsewhere | 2011-12-31 | $-90,646,113 |
| Value of net income/loss | 2011-12-31 | $-83,075,666 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $1,105,435,669 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $1,410,527,364 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Investment advisory and management fees | 2011-12-31 | $193,394 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $572,801 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $1,411,331 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $1,411,331 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $4,764 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | No |
| Assets. Invements in employer securities at end of year | 2011-12-31 | $1,102,981,514 |
| Assets. Invements in employer securities at beginning of year | 2011-12-31 | $1,406,529,013 |
| Income. Dividends from common stock | 2011-12-31 | $38,676,373 |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2011-12-31 | $335,799,425 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $363,578,944 |
| 2010 : NG DC MT COMPANY STOCK FUND 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $188,117,766 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $188,117,766 |
| Total transfer of assets to this plan | 2010-12-31 | $146,346,113 |
| Total transfer of assets from this plan | 2010-12-31 | $201,050,074 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $240,137 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $706,402 |
| Total income from all sources (including contributions) | 2010-12-31 | $234,730,785 |
| Total loss/gain on sale of assets | 2010-12-31 | $6,376,544 |
| Total of all expenses incurred | 2010-12-31 | $193,029 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $0 |
| Value of total assets at end of year | 2010-12-31 | $1,410,767,501 |
| Value of total assets at beginning of year | 2010-12-31 | $1,231,399,971 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $193,029 |
| Total interest from all sources | 2010-12-31 | $5,615 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $40,244,551 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $2,827,157 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $31,657 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2010-12-31 | $240,137 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2010-12-31 | $706,402 |
| Other income not declared elsewhere | 2010-12-31 | $-13,691 |
| Value of net income/loss | 2010-12-31 | $234,537,756 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $1,410,527,364 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $1,230,693,569 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Investment advisory and management fees | 2010-12-31 | $193,029 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $1,411,331 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $3,431,839 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $3,431,839 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $5,615 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | No |
| Assets. Invements in employer securities at end of year | 2010-12-31 | $1,406,529,013 |
| Assets. Invements in employer securities at beginning of year | 2010-12-31 | $1,227,936,475 |
| Income. Dividends from common stock | 2010-12-31 | $40,244,551 |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2010-12-31 | $85,708,625 |
| Aggregate carrying amount (costs) on sale of assets | 2010-12-31 | $79,332,081 |
