ACQUISITIONS AND DIVESTITURES - Acquisition of AJRD - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		8 Months Ended
	Mar. 29, 2024	Mar. 31, 2023	Mar. 29, 2024	Dec. 29, 2023	Jul. 28, 2023
Business Acquisition [Line Items]
Goodwill	$ 20,070		$ 20,070	$ 19,979
Revenue	5,211	$ 4,471
Income from continuing operations before income taxes	290	$ 373
Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Provision for loss on customer contracts	124		124
Loss provision amortization expense	14
Total liabilities assumed	115		151
Revenue from amortization of off-market contract liability	8
Goodwill	2,473		$ 2,473		$ 2,348
Revenue	542
Income from continuing operations before income taxes	72
Acquisition related costs	28
Aerojet Rocketdyne Holdings, Inc. | Other Accrued Liabilities
Business Acquisition [Line Items]
Total liabilities assumed	34
Aerojet Rocketdyne Holdings, Inc. | Other Noncurrent Liabilities
Business Acquisition [Line Items]
Total liabilities assumed	$ 81