ACQUISITIONS, DIVESTITURES AND ASSET SALES - Acquisition of TDL - Assets Acquired, Liabilities Assumed (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 29, 2023	Sep. 29, 2023	Jan. 03, 2023	Dec. 30, 2022
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	$ 20,736	$ 20,736		$ 17,283
Tactical Data Links (TDL) Product Line
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Receivables			$ 28
Contract assets			29
Inventories			154
Other current assets			9
Property, plant and equipment			50
Operating lease right-of-use assets			12
Goodwill			1,117
Other intangible assets			755
Deferred income taxes			36
Other non-current assets			5
Total assets acquired			2,195
Accounts payable			20
Contract liabilities			28
Compensation and benefits			2
Other accrued items			120
Operating lease liabilities			10
Other long-term liabilities			41
Total liabilities assumed			221
Net assets acquired			1,974
Measurement Period Adjustments, Net
Contract assets		11
Inventories		(10)
Goodwill		103
Other intangible assets		(95)
Deferred income taxes		3
Other non-current assets		(1)
Total assets acquired		11
Other accrued items		1
Other long-term liabilities		10
Total liabilities assumed	$ 64	11
Net assets acquired		$ 0
Tactical Data Links (TDL) Product Line | Preliminary
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Receivables			28
Contract assets			18
Inventories			164
Other current assets			9
Property, plant and equipment			50
Operating lease right-of-use assets			12
Goodwill			1,014
Other intangible assets			850
Deferred income taxes			33
Other non-current assets			6
Total assets acquired			2,184
Accounts payable			20
Contract liabilities			28
Compensation and benefits			2
Other accrued items			119
Operating lease liabilities			10
Other long-term liabilities			31
Total liabilities assumed			210
Net assets acquired			$ 1,974