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INFORMATION ON BUSINESS SEGMENTS - Income Statement Information For Each Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 25, 2018 | Mar. 26, 2017
Segment Reporting Information [Line Items] |  |
Products | $ 9,762 | $ 9,613
Services | 1,873 | 1,599
Total net sales | 11,635 | 11,212
Total net sales | 11,635 | 11,212
Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Products | 3,770 | 3,634
Services | 628 | 486
Total net sales | 4,398 | 4,120
Total net sales | 4,398 | 4,120
MFC |  |
Segment Reporting Information [Line Items] |  |
Products | 1,353 | 1,257
Services | 324 | 292
Total net sales | 1,677 | 1,549
Total net sales | 1,677 | 1,549
RMS |  |
Segment Reporting Information [Line Items] |  |
Products | 2,717 | 2,648
Services | 506 | 479
Total net sales | 3,223 | 3,127
Total net sales | 3,223 | 3,127
Space |  |
Segment Reporting Information [Line Items] |  |
Products | 1,922 | 2,074
Services | 415 | 342
Total net sales | 2,337 | 2,416
Total net sales | 2,337 | 2,416
United States |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 8,267 | 8,203
Total net sales | 8,267 | 8,203
United States | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 2,821 | 2,717
Total net sales | 2,821 | 2,717
United States | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,123 | 1,104
Total net sales | 1,123 | 1,104
United States | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 2,442 | 2,356
Total net sales | 2,442 | 2,356
United States | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,881 | 2,026
Total net sales | 1,881 | 2,026
Asia Pacific |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,199 | 901
Total net sales | 1,199 | 901
Asia Pacific | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 754 | 531
Total net sales | 754 | 531
Asia Pacific | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 98 | 92
Total net sales | 98 | 92
Asia Pacific | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 324 | 274
Total net sales | 324 | 274
Asia Pacific | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 23 | 4
Total net sales | 23 | 4
Europe |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,158 | 1,114
Total net sales | 1,158 | 1,114
Europe | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 508 | 503
Total net sales | 508 | 503
Europe | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 69 | 75
Total net sales | 69 | 75
Europe | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 155 | 202
Total net sales | 155 | 202
Europe | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 426 | 334
Total net sales | 426 | 334
Middle East |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 815 | 767
Total net sales | 815 | 767
Middle East | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 257 | 335
Total net sales | 257 | 335
Middle East | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 380 | 270
Total net sales | 380 | 270
Middle East | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 171 | 110
Total net sales | 171 | 110
Middle East | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 7 | 52
Total net sales | 7 | 52
Other |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 196 | 227
Total net sales | 196 | 227
Other | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 58 | 34
Total net sales | 58 | 34
Other | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 7 | 8
Total net sales | 7 | 8
Other | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 131 | 185
Total net sales | 131 | 185
Other | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 0 | 0
Total net sales | 0 | 0
U.S. Government |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 8,079 | 8,067
Total net sales | 8,079 | 8,067
U.S. Government | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 2,765 | 2,683
Total net sales | 2,765 | 2,683
U.S. Government | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,088 | 1,077
Total net sales | 1,088 | 1,077
U.S. Government | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 2,356 | 2,295
Total net sales | 2,356 | 2,295
U.S. Government | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,870 | 2,012
Total net sales | 1,870 | 2,012
International |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 3,368 | 3,009
Total net sales | 3,368 | 3,009
International | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,577 | 1,403
Total net sales | 1,577 | 1,403
International | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 554 | 445
Total net sales | 554 | 445
International | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 781 | 771
Total net sales | 781 | 771
International | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 456 | 390
Total net sales | 456 | 390
U.S. commercial and other |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 188 | 136
Total net sales | 188 | 136
U.S. commercial and other | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 56 | 34
Total net sales | 56 | 34
U.S. commercial and other | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 35 | 27
Total net sales | 35 | 27
U.S. commercial and other | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 86 | 61
Total net sales | 86 | 61
U.S. commercial and other | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 11 | 14
Total net sales | 11 | 14
Fixed-price |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 6,935 | 6,747
Total net sales | 6,935 | 6,747
Fixed-price | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 3,215 | 2,916
Total net sales | 3,215 | 2,916
Fixed-price | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,112 | 1,085
Total net sales | 1,112 | 1,085
Fixed-price | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 2,208 | 2,236
Total net sales | 2,208 | 2,236
Fixed-price | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 400 | 510
Total net sales | 400 | 510
Cost-reimbursable |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 4,700 | 4,465
Total net sales | 4,700 | 4,465
Cost-reimbursable | Aeronautics |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,183 | 1,204
Total net sales | 1,183 | 1,204
Cost-reimbursable | MFC |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 565 | 464
Total net sales | 565 | 464
Cost-reimbursable | RMS |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,015 | 891
Total net sales | 1,015 | 891
Cost-reimbursable | Space |  |
Segment Reporting Information [Line Items] |  |
Total net sales | 1,937 | 1,906
Total net sales | $ 1,937 | $ 1,906

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