ACQUISITIONS AND DIVESTITURES - Acquisition of AJRD - Identifiable Intangible Assets Acquired (Details) - USD ($) $ in Millions	Jul. 28, 2023	Jan. 03, 2025	Sep. 27, 2024	Dec. 29, 2023
Business Acquisition [Line Items]
Gross Carrying Amount		$ 9,854		$ 9,937
Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Total identifiable intangible assets acquired	$ 2,860		$ 2,860
Customer relationships
Business Acquisition [Line Items]
Gross Carrying Amount		8,817		8,892
Customer relationships | Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Identifiable finite-lived intangible assets acquired	2,740
Backlog | Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Identifiable finite-lived intangible assets acquired	$ 355
Weighted average amortization period	3 years
Government programs | Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Identifiable finite-lived intangible assets acquired	$ 2,385
Government programs | Aerojet Rocketdyne Holdings, Inc. | Minimum
Business Acquisition [Line Items]
Weighted average amortization period	15 years
Government programs | Aerojet Rocketdyne Holdings, Inc. | Maximum
Business Acquisition [Line Items]
Weighted average amortization period	20 years
Trade names
Business Acquisition [Line Items]
Gross Carrying Amount		$ 185		$ 185
Trade names | Aerojet Rocketdyne Holdings, Inc.
Business Acquisition [Line Items]
Gross Carrying Amount	$ 120
Weighted average amortization period	15 years