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OTHER - Changes in Estimates (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Mar. 28, 2021 | Mar. 29, 2020
Change in Accounting Estimate [Line Items] |  |
Performance obligation satisfied in previous period | $ 492 | $ 530
Ground Based Radar |  |
Change in Accounting Estimate [Line Items] |  |
Cumulative losses on development | 250 |
EADGE-T |  |
Change in Accounting Estimate [Line Items] |  |
Cumulative losses on development | 260 |
Warrior Capability Sustainment Program |  |
Change in Accounting Estimate [Line Items] |  |
Cumulative losses on development | 140 |
Contracts Accounted for under Percentage of Completion |  |
Change in Accounting Estimate [Line Items] |  |
Increase in operating profit due to profit rate adjustments | 495 | 465
Increase in net earnings due to profit rate adjustments | $ 391 | $ 367
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share) | $ 1.40 | $ 1.30

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