Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Apr. 01, 2022 USD ($) segment	Sep. 30, 2022 USD ($) segment	Dec. 31, 2021 USD ($) segment
Goodwill [Roll Forward]
Beginning Balance	$ 18,189	$ 18,189
Impairment of goodwill		(802)
Currency translation adjustments		(127)
Ending Balance		$ 17,260	$ 18,189
Number of operating segments \| segment	4	3	4
Number of reportable segments \| segment	4	3	4
As Previously Reported
Goodwill [Roll Forward]
Beginning Balance	$ 18,189	$ 18,189
Ending Balance			$ 18,189
Restatement Adjustment
Goodwill [Roll Forward]
Beginning Balance	0	0
Ending Balance			0
Integrated Mission Systems
Goodwill [Roll Forward]
Beginning Balance	8,187	8,187
Impairment of goodwill		(447)
Currency translation adjustments		(48)
Ending Balance		7,692	8,187
Integrated Mission Systems \| As Previously Reported
Goodwill [Roll Forward]
Beginning Balance	6,485	6,485
Ending Balance			6,485
Integrated Mission Systems \| Restatement Adjustment
Goodwill [Roll Forward]
Beginning Balance	1,702	1,702
Ending Balance			1,702
Space & Airborne Systems
Goodwill [Roll Forward]
Beginning Balance	5,849	5,849
Impairment of goodwill		0
Currency translation adjustments		(77)
Ending Balance		5,772	5,849
Space & Airborne Systems \| As Previously Reported
Goodwill [Roll Forward]
Beginning Balance	5,202	5,202
Ending Balance			5,202
Space & Airborne Systems \| Restatement Adjustment
Goodwill [Roll Forward]
Beginning Balance	647	647
Ending Balance			647
Communication Systems
Goodwill [Roll Forward]
Beginning Balance	4,153	4,153
Impairment of goodwill		(355)
Currency translation adjustments		(2)
Ending Balance		3,796	4,153
Communication Systems \| As Previously Reported
Goodwill [Roll Forward]
Beginning Balance	4,153	4,153
Ending Balance			4,153
Communication Systems \| Restatement Adjustment
Goodwill [Roll Forward]
Beginning Balance	0	0
Ending Balance			0
Aviation Systems
Goodwill [Roll Forward]
Beginning Balance	0	0
Impairment of goodwill		0
Currency translation adjustments		0
Ending Balance		0	0
Aviation Systems \| As Previously Reported
Goodwill [Roll Forward]
Beginning Balance	2,349	2,349
Ending Balance			2,349
Aviation Systems \| Restatement Adjustment
Goodwill [Roll Forward]
Beginning Balance	$ (2,349)	$ (2,349)
Ending Balance			$ (2,349)