LEGAL PROCEEDINGS AND CONTINGENCIES (Details) - USD ($) $ in Millions	Apr. 24, 2009	Mar. 29, 2026	Dec. 31, 2025
Loss Contingencies [Line Items]
Liabilities recorded relative to environmental matters		$ 656	$ 659
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]		Other noncurrent liabilities	Other noncurrent liabilities
Environmental costs eligible for future recovery		$ 602	$ 605
Outstanding letters of credit, surety bonds, and third-party guarantees		$ 3,300	$ 3,500
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