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Goodwill and Intangible Assets - Changes In Carrying Amount of Goodwill by Reporting Unit (Details) $ in Millions | 6 Months Ended
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Jul. 03, 2022 USD ($)
Goodwill [Roll Forward] |  |
Goodwill, beginning of period | $ 20,098 | [1]
Other | (96) | [2]
Goodwill, end of period | 20,002 | [1]
Aerospace |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning of period | 3,039 | [1]
Other | (68) | [2]
Goodwill, end of period | 2,971 | [1]
Marine Systems |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning of period | 297 | [1]
Other | 0 | [2]
Goodwill, end of period | 297 | [1]
Combat Systems |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning of period | 2,827 | [1]
Other | (20) | [2]
Goodwill, end of period | 2,807 | [1]
Technologies |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning of period | 13,935 | [1]
Other | (8) | [2]
Goodwill, end of period | 13,927 | [1]
Accumulated impairment losses | $ 1,800 |
[1] | Goodwill in the Technologies reporting unit was net of $1.8 billion of accumulated impairment losses.
[2] | Consisted primarily of adjustments for foreign currency translation.

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