SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Capital additions	$ 129	$ 157
Non-cash accruals	(68)	(45)
Equipment financed with seller	16	0
Right-of-use assets - finance leases	29	20
Cash paid for capital expenditures including deposits	152	182
Income taxes paid	1	1
Income tax refunds	(5)	(2)
Interest paid on debt obligations net of capitalized interest	77	$ 53
Capitalized interest	$ 4