GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Finite and Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Millions	Sep. 29, 2023	Jul. 28, 2023	Jan. 03, 2023	Dec. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 10,404			$ 6,788
Total intangibles, gross carrying amount	12,207			8,612
Accumulated Amortization	3,157			2,611
Net Carrying Amount	7,247			4,177
Total identifiable intangible assets, net	9,050			6,001
Disposal group, held-for-sale, not discontinued operations
Finite-Lived Intangible Assets [Line Items]
Intangibles reclassified to assets of disposal group				10
In-process research and development
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	0			21
Trade names
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	1,803			1,803
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,270			6,124
Accumulated Amortization	2,658			2,189
Net Carrying Amount	6,612			3,935
Customer relationships | Tactical Data Links (TDL) Product Line
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 406
Accumulated Amortization			46
Net Carrying Amount			360
Customer relationships | Aerojet Rocketdyne Holdings, Inc.
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 2,740
Accumulated Amortization		37
Net Carrying Amount		2,703
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	915			566
Accumulated Amortization	435			366
Net Carrying Amount	480			200
Developed technology | Tactical Data Links (TDL) Product Line
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			349
Accumulated Amortization			15
Net Carrying Amount			334
Developed technology | Aerojet Rocketdyne Holdings, Inc.
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		0
Accumulated Amortization		0
Net Carrying Amount		0
Contract backlog
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2			1
Accumulated Amortization	1			1
Net Carrying Amount	1			0
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	215			95
Accumulated Amortization	61			53
Net Carrying Amount	154			42
Trade names | Tactical Data Links (TDL) Product Line
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			0
Accumulated Amortization			0
Net Carrying Amount			$ 0
Trade names | Aerojet Rocketdyne Holdings, Inc.
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		120
Accumulated Amortization		1
Net Carrying Amount		$ 119
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2			2
Accumulated Amortization	2			2
Net Carrying Amount	$ 0			$ 0