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v3.20.1

OTHER - Changes in Estimates and Backlog (Details) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 29, 2020 satellite | Mar. 29, 2020 USD ($) satellite program $ / shares | Mar. 31, 2019 USD ($) $ / shares | Dec. 31, 2019 satellite
Change in Accounting Estimate [Line Items] |  |  |  |
Performance obligation satisfied in previous period |  | $ 530 | $ 670 |
Number of satellites launched or to be launched | satellite | 1 | 3 |  | 2
EADGE-T |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Cumulative losses on development |  | $ 260 |  |
Ground Based Radar |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Cumulative losses on development |  | 225 |  |
LM 2100 Project |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Cumulative losses on development |  | 410 |  |
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 |  | 465 | 565 |
Increase in net earnings due to profit rate adjustments |  | $ 367 | $ 446 |
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share) | $ / shares |  | $ 1.30 | $ 1.57 |
Space |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Number of commercial satellite programs with performance issues | program |  | 2 |  |

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