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INFORMATION ON BUSINESS SEGMENTS - Income Statement Information For Each Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 28, 2021 | Mar. 29, 2020
Net sales |  |
Net sales | $ 16,258 | $ 15,651
Aeronautics |  |
Net sales |  |
Net sales | 6,387 | 6,369
MFC |  |
Net sales |  |
Net sales | 2,749 | 2,619
RMS |  |
Net sales |  |
Net sales | 4,107 | 3,746
Space |  |
Net sales |  |
Net sales | 3,015 | 2,917
United States |  |
Net sales |  |
Net sales | 11,779 | 11,395
United States | Aeronautics |  |
Net sales |  |
Net sales | 4,288 | 4,048
United States | MFC |  |
Net sales |  |
Net sales | 2,046 | 1,959
United States | RMS |  |
Net sales |  |
Net sales | 2,887 | 2,891
United States | Space |  |
Net sales |  |
Net sales | 2,558 | 2,497
Asia Pacific |  |
Net sales |  |
Net sales | 1,596 | 1,416
Asia Pacific | Aeronautics |  |
Net sales |  |
Net sales | 893 | 995
Asia Pacific | MFC |  |
Net sales |  |
Net sales | 51 | 75
Asia Pacific | RMS |  |
Net sales |  |
Net sales | 650 | 318
Asia Pacific | Space |  |
Net sales |  |
Net sales | 2 | 28
Europe |  |
Net sales |  |
Net sales | 1,692 | 1,681
Europe | Aeronautics |  |
Net sales |  |
Net sales | 854 | 948
Europe | MFC |  |
Net sales |  |
Net sales | 182 | 168
Europe | RMS |  |
Net sales |  |
Net sales | 201 | 167
Europe | Space |  |
Net sales |  |
Net sales | 455 | 398
Middle East |  |
Net sales |  |
Net sales | 912 | 936
Middle East | Aeronautics |  |
Net sales |  |
Net sales | 284 | 328
Middle East | MFC |  |
Net sales |  |
Net sales | 458 | 407
Middle East | RMS |  |
Net sales |  |
Net sales | 170 | 207
Middle East | Space |  |
Net sales |  |
Net sales | 0 | (6)
Other |  |
Net sales |  |
Net sales | 279 | 223
Other | Aeronautics |  |
Net sales |  |
Net sales | 68 | 50
Other | MFC |  |
Net sales |  |
Net sales | 12 | 10
Other | RMS |  |
Net sales |  |
Net sales | 199 | 163
Other | Space |  |
Net sales |  |
Net sales | 0 | 0
U.S. Government |  |
Net sales |  |
Net sales | 11,675 | 11,259
U.S. Government | Aeronautics |  |
Net sales |  |
Net sales | 4,273 | 4,033
U.S. Government | MFC |  |
Net sales |  |
Net sales | 2,041 | 1,955
U.S. Government | RMS |  |
Net sales |  |
Net sales | 2,810 | 2,788
U.S. Government | Space |  |
Net sales |  |
Net sales | 2,551 | 2,483
International |  |
Net sales |  |
Net sales | 4,479 | 4,256
International | Aeronautics |  |
Net sales |  |
Net sales | 2,099 | 2,321
International | MFC |  |
Net sales |  |
Net sales | 703 | 660
International | RMS |  |
Net sales |  |
Net sales | 1,220 | 855
International | Space |  |
Net sales |  |
Net sales | 457 | 420
U.S. commercial and other |  |
Net sales |  |
Net sales | 104 | 136
U.S. commercial and other | Aeronautics |  |
Net sales |  |
Net sales | 15 | 15
U.S. commercial and other | MFC |  |
Net sales |  |
Net sales | 5 | 4
U.S. commercial and other | RMS |  |
Net sales |  |
Net sales | 77 | 103
U.S. commercial and other | Space |  |
Net sales |  |
Net sales | 7 | 14
Fixed-price |  |
Net sales |  |
Net sales | 9,903 | 9,303
Fixed-price | Aeronautics |  |
Net sales |  |
Net sales | 4,734 | 4,584
Fixed-price | MFC |  |
Net sales |  |
Net sales | 1,878 | 1,718
Fixed-price | RMS |  |
Net sales |  |
Net sales | 2,677 | 2,482
Fixed-price | Space |  |
Net sales |  |
Net sales | 614 | 519
Cost-reimbursable |  |
Net sales |  |
Net sales | 6,355 | 6,348
Cost-reimbursable | Aeronautics |  |
Net sales |  |
Net sales | 1,653 | 1,785
Cost-reimbursable | MFC |  |
Net sales |  |
Net sales | 871 | 901
Cost-reimbursable | RMS |  |
Net sales |  |
Net sales | 1,430 | 1,264
Cost-reimbursable | Space |  |
Net sales |  |
Net sales | 2,401 | 2,398
Products |  |
Net sales |  |
Net sales | 13,753 | 13,166
Products | Aeronautics |  |
Net sales |  |
Net sales | 5,479 | 5,455
Products | MFC |  |
Net sales |  |
Net sales | 2,410 | 2,275
Products | RMS |  |
Net sales |  |
Net sales | 3,300 | 2,986
Products | Space |  |
Net sales |  |
Net sales | 2,564 | 2,450
Services |  |
Net sales |  |
Net sales | 2,505 | 2,485
Services | Aeronautics |  |
Net sales |  |
Net sales | 908 | 914
Services | MFC |  |
Net sales |  |
Net sales | 339 | 344
Services | RMS |  |
Net sales |  |
Net sales | 807 | 760
Services | Space |  |
Net sales |  |
Net sales | $ 451 | $ 467

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