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Net Sales By Customer (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | [1],[2] | Sep. 25, 2016 | [1],[2],[3] | Jun. 26, 2016 | [1] | Mar. 27, 2016 | [1],[4] | Dec. 31, 2015 | [5],[6] | Sep. 27, 2015 | [5] | Jun. 28, 2015 | [5] | Mar. 29, 2015 | [5] | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  | $ 13,752 | $ 11,551 | $ 11,577 | $ 10,368 | $ 11,520 | $ 10,060 | $ 10,235 | $ 8,721 | $ 47,248 | $ 40,536 | $ 39,946
U.S. Government |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 33,470 | 31,151 | 30,886
U.S. Government | Aeronautics |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 11,714 | 11,195 | 10,704
U.S. Government | Missiles and Fire Control |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 4,026 | 4,150 | 4,509
U.S. Government | Rotary and Mission Systems |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 9,187 | 6,961 | 6,752
U.S. Government | Space Systems |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 8,543 | 8,845 | 8,921
International |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales | [7] |  |  |  |  |  |  |  |  | 12,703 | 9,011 | 8,614
International | Aeronautics |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales | [7] |  |  |  |  |  |  |  |  | 5,973 | 4,328 | 4,183
International | Missiles and Fire Control |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales | [7] |  |  |  |  |  |  |  |  | 2,444 | 2,449 | 2,421
International | Rotary and Mission Systems |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales | [7] |  |  |  |  |  |  |  |  | 3,798 | 2,016 | 1,921
International | Space Systems |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales | [7] |  |  |  |  |  |  |  |  | 488 | 218 | 89
United States Commercial and Other |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 1,075 | 374 | 446
United States Commercial and Other | Aeronautics |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 82 | 47 | 33
United States Commercial and Other | Missiles and Fire Control |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 138 | 171 | 162
United States Commercial and Other | Rotary and Mission Systems |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | 477 | 114 | 59
United States Commercial and Other | Space Systems |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total net sales |  |  |  |  |  |  |  |  |  | $ 378 | $ 42 | $ 192
[1] | Net sales and operating profit vary from the amounts previously reported on Form 10-Q as a result of our former IS&GS business being classified as discontinued operations in the third quarter of 2016, which is reflected for all periods presented.
[2] | The third quarter of 2016 includes the results of AWE from August 26, 2016, the date we obtained controlling interest, including approximately $103 million in net sales and $104 million in net earnings. Third quarter net earnings includes a non-cash gain on the step acquisition of AWE (see "Note 3 - Acquisitions and Divestitures"). The fourth quarter of 2016 includes the results of AWE for the entire quarter, including approximately $307 million in net sales and $2.9 million in net earnings.
[3] | The third quarter of 2016 includes a net gain of $1.2 billion related to the divestiture of our former IS&GS business.
[4] | The first quarter of 2016 varies from the amounts previously reported on Form 10-Q as a result of adopting ASU No. 2016-09 (see "Note 1 - Significant Accounting Policies").
[5] | AOCL related to postretirement benefit plans is shown net of tax benefits at December 31, 2016, 2015 and 2014 of $6.5 billion, $6.2 billion and $6.4 billion. These tax benefits include amounts recognized on our income tax returns as current deductions and deferred income taxes, which will be recognized on our tax returns in future years. See "Note 9 - Income Taxes" and "Note 11 -Postretirement Plans" for more information on our income taxes and postretirement benefit plans.
[6] | The fourth quarter of 2015 includes the results of Sikorsky since the November 6, 2015 acquisition date through December 31, 2015, including approximately $400 million in net sales and about $45 million in operating loss, inclusive of intangible amortization and adjustments required to account for the acquisition.
[7] | International sales include foreign military sales contracted through the U.S. Government, direct commercial sales with international governments and commercial and other sales to international customers.

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