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Information on Business Segments - Summary of Financial Information for Each Business Segment (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Net sales |  |  |  |  |
Net sales |  |  | $ 65,984 | $ 67,044 | $ 65,398
Operating profit |  |  |  |  |
Operating profit |  |  | 8,348 | 9,123 | 8,644
Unallocated items |  |  |  |  |
Severance and other charges |  | $ 100 | 100 | 36 | 27
Severance and restructuring costs, after-tax |  | $ 79 |  | $ 28 | $ 21
Severance and restructuring costs, per share, after-tax (in dollars per share) |  | $ 0.31 |  | $ 0.10 | $ 0.08
Equity method investee impairment |  |  | 0 | $ 0 | $ 128
AMMROC |  |  |  |  |
Unallocated items |  |  |  |  |
Equity method investee impairment | $ 128 |  |  |  | 128
Operating Segments |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 65,984 | 67,044 | 65,398
Operating profit |  |  |  |  |
Operating profit |  |  | 7,219 | 7,379 | 7,152
Segment Reconciling Items |  |  |  |  |
Unallocated items |  |  |  |  |
Total FAS/CAS pension operating adjustment |  |  | 1,709 | 1,960 | 1,876
Severance and restructuring |  |  | (100) | (36) | (27)
Other, net |  |  | (480) | (180) | (357)
Total unallocated, net |  |  | 1,129 | 1,744 | 1,492
Aeronautics |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 26,987 | 26,748 | 26,266
Aeronautics | Operating Segments |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 26,987 | 26,748 | 26,266
Operating profit |  |  |  |  |
Operating profit |  |  | 2,866 | 2,799 | 2,843
Missiles and Fire Control |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 11,317 | 11,693 | 11,257
Missiles and Fire Control | Operating Segments |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 11,317 | 11,693 | 11,257
Operating profit |  |  |  |  |
Operating profit |  |  | 1,635 | 1,648 | 1,545
Rotary and Mission Systems |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 16,148 | 16,789 | 15,995
Rotary and Mission Systems | Operating Segments |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 16,148 | 16,789 | 15,995
Operating profit |  |  |  |  |
Operating profit |  |  | 1,673 | 1,798 | 1,615
Space |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 11,532 | 11,814 | 11,880
Space | Operating Segments |  |  |  |  |
Net sales |  |  |  |  |
Net sales |  |  | 11,532 | 11,814 | 11,880
Operating profit |  |  |  |  |
Operating profit |  |  | $ 1,045 | $ 1,134 | $ 1,149

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