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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($)	Jul. 01, 2022 USD ($)	Jun. 30, 2023 USD ($) unit	Jul. 01, 2022 USD ($)	Dec. 30, 2022 USD ($) unit	Jan. 03, 2023 USD ($)
Finite-Lived Intangible Assets [Line Items]
Number of reporting units \| unit			8		9
Reallocation of goodwill in business realignment			$ 0
Goodwill	$ 18,417		18,417		$ 17,283
Amortization of acquisition-related intangibles	173	$ 151	338	$ 303
Impairment of intangible assets	21	$ 0	39	$ 0
Tactical Data Links (TDL) Product Line
Finite-Lived Intangible Assets [Line Items]
Goodwill						$ 1,117
SAS
Finite-Lived Intangible Assets [Line Items]
Reallocation of goodwill in business realignment			327
Goodwill	6,107		6,107		$ 5,778
Discontinued Operations, Disposed of by Means Other than Sale, Abandonment \| Open Water Power Facility \| In-process research and development
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 21		$ 21