ACQUISITIONS AND DIVESTITURES - Acquisition of AJRD - Narrative (Details) - USD ($) $ in Millions			3 Months Ended		8 Months Ended
	Jul. 31, 2023	Jul. 28, 2023	Mar. 29, 2024	Mar. 31, 2023	Mar. 29, 2024	Dec. 29, 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
AR
Business Acquisition [Line Items]
Goodwill			2,473		2,473	$ 2,365
5.4% Notes Due 2027 and 2033 and 5.6% Notes Due 2053 | Fixed-rate debt
Business Acquisition [Line Items]
Proceeds from issuance of long-term debt	$ 3,250
Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Business acquisition, percentage of ownership		100.00%
Business combination, consideration transferred		$ 4,715
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		$ 2,348	2,473		$ 2,473
Revenue			542
Income from continuing operations before income taxes			72
Business acquisition, pro forma revenue				566
Business acquisition, pro forma income				$ 60
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