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INFORMATION ON BUSINESS SEGMENTS - Income Statement Information For Each Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 24, 2018 | Jun. 25, 2017 | Jun. 24, 2018 | Jun. 25, 2017
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | $ 13,398 | $ 12,563 | $ 25,033 | $ 23,775
Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 5,321 | 4,922 | 9,719 | 9,042
MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,085 | 1,784 | 3,762 | 3,333
RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 3,566 | 3,414 | 6,789 | 6,541
Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,426 | 2,443 | 4,763 | 4,859
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 9,855 | 8,967 | 18,122 | 17,170
United States | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 3,486 | 3,267 | 6,307 | 5,984
United States | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,543 | 1,097 | 2,666 | 2,201
United States | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,744 | 2,485 | 5,186 | 4,841
United States | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,082 | 2,118 | 3,963 | 4,144
Asia Pacific |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,243 | 1,187 | 2,442 | 2,088
Asia Pacific | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 786 | 694 | 1,540 | 1,225
Asia Pacific | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 125 | 114 | 223 | 206
Asia Pacific | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 301 | 343 | 625 | 617
Asia Pacific | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 31 | 36 | 54 | 40
Europe |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,280 | 1,214 | 2,438 | 2,328
Europe | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 678 | 599 | 1,186 | 1,102
Europe | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 46 | 82 | 115 | 157
Europe | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 224 | 245 | 379 | 447
Europe | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 332 | 288 | 758 | 622
Middle East |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 808 | 909 | 1,623 | 1,676
Middle East | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 320 | 300 | 577 | 635
Middle East | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 364 | 482 | 744 | 752
Middle East | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 143 | 126 | 314 | 236
Middle East | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | (19) | 1 | (12) | 53
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 212 | 286 | 408 | 513
Other | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 51 | 62 | 109 | 96
Other | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 7 | 9 | 14 | 17
Other | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 154 | 215 | 285 | 400
Other | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 0 | 0 | 0 | 0
U.S. Government |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 9,624 | 8,776 | 17,703 | 16,843
U.S. Government | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 3,444 | 3,233 | 6,209 | 5,916
U.S. Government | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,502 | 1,059 | 2,590 | 2,136
U.S. Government | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,608 | 2,379 | 4,964 | 4,674
U.S. Government | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,070 | 2,105 | 3,940 | 4,117
International |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 3,543 | 3,596 | 6,911 | 6,605
International | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,835 | 1,655 | 3,412 | 3,058
International | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 542 | 687 | 1,096 | 1,132
International | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 822 | 929 | 1,603 | 1,700
International | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 344 | 325 | 800 | 715
U.S. commercial and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 231 | 191 | 419 | 327
U.S. commercial and other | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 42 | 34 | 98 | 68
U.S. commercial and other | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 41 | 38 | 76 | 65
U.S. commercial and other | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 136 | 106 | 222 | 167
U.S. commercial and other | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 12 | 13 | 23 | 27
Fixed-price |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 8,211 | 7,654 | 15,146 | 14,401
Fixed-price | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 3,906 | 3,312 | 7,121 | 6,228
Fixed-price | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,395 | 1,258 | 2,507 | 2,343
Fixed-price | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,450 | 2,492 | 4,658 | 4,728
Fixed-price | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 460 | 592 | 860 | 1,102
Cost-reimbursable |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 5,187 | 4,909 | 9,887 | 9,374
Cost-reimbursable | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,415 | 1,610 | 2,598 | 2,814
Cost-reimbursable | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 690 | 526 | 1,255 | 990
Cost-reimbursable | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,116 | 922 | 2,131 | 1,813
Cost-reimbursable | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,966 | 1,851 | 3,903 | 3,757
Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 11,150 | 10,622 | 20,912 | 20,235
Products | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 4,511 | 4,206 | 8,281 | 7,840
Products | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 1,709 | 1,452 | 3,062 | 2,709
Products | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,904 | 2,863 | 5,621 | 5,511
Products | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,026 | 2,101 | 3,948 | 4,175
Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 2,248 | 1,941 | 4,121 | 3,540
Services | Aeronautics |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 810 | 716 | 1,438 | 1,202
Services | MFC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 376 | 332 | 700 | 624
Services | RMS |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 662 | 551 | 1,168 | 1,030
Services | Space |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | $ 400 | $ 342 | $ 815 | $ 684

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