LEGAL PROCEEDINGS AND CONTINGENCIES (Details) - USD ($) $ in Millions		9 Months Ended
	Apr. 24, 2009	Sep. 28, 2025	Dec. 31, 2024
Loss Contingencies [Line Items]
Liabilities recorded relative to environmental matters		$ 667	$ 677
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]		Other noncurrent liabilities	Other noncurrent liabilities
Environmental costs eligible for future recovery		$ 610	$ 619
Period over which costs and recovery of costs is projected (in years)		20 years
Outstanding letters of credit, surety bonds, and third-party guarantees		$ 2,800	$ 2,700
N.Y. Metropolitan Transportation Authority
Loss Contingencies [Line Items]
Contract value	$ 323
Contract payments received to date	241
Damages sought by plaintiff	190
Claims for monetary damages against the plaintiff	$ 95