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ACQUISITIONS, DIVESTITURES AND ASSET SALES - Acquisition of AJRD - Identifiable Intangible Assets Acquired (Details) - USD ($) $ in Millions	Jul. 28, 2023	Dec. 29, 2023	Dec. 30, 2022
Business Acquisition [Line Items]
Gross Carrying Amount		$ 9,937	$ 6,788
AR
Business Acquisition [Line Items]
Total identifiable intangible assets acquired	$ 2,840	2,840
Customer relationships
Business Acquisition [Line Items]
Gross Carrying Amount		8,892	6,124
Customer relationships \| AR
Business Acquisition [Line Items]
Identifiable finite-lived intangible assets acquired	2,720
Gross Carrying Amount	2,720
Backlog \| AR
Business Acquisition [Line Items]
Identifiable finite-lived intangible assets acquired	$ 350
Weighted average amortization period	3 years
Government programs \| AR
Business Acquisition [Line Items]
Identifiable finite-lived intangible assets acquired	$ 2,370
Government programs \| AR \| Minimum
Business Acquisition [Line Items]
Weighted average amortization period	15 years
Government programs \| AR \| Maximum
Business Acquisition [Line Items]
Weighted average amortization period	20 years
Trade names — divisions
Business Acquisition [Line Items]
Gross Carrying Amount		$ 185	$ 95
Trade names — divisions \| AR
Business Acquisition [Line Items]
Gross Carrying Amount	$ 120
Trade names — divisions \| AR
Business Acquisition [Line Items]
Weighted average amortization period	15 years