LONG-TERM DEBT - SCHEDULE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt, gross	$ 24,391	$ 17,955
Unamortized premium, net	1,037	1,152
Debt issuance costs	(105)	(106)
Net book value of debt	$ 25,323	$ 19,001
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other deferred credits and liabilities	Other deferred credits and liabilities
Long-term finance leases	$ 658	$ 591
Finance lease, liability, current, statement of financial position	Accrued liabilities	Accrued liabilities
Current finance leases	$ 135	$ 146
Total debt and finance leases	26,116	19,738
Less current maturities of finance leases	(135)	(146)
Less current maturities of long-term debt	(1,003)	(1,056)
LONG-TERM DEBT, NET	24,978	18,536
2.900% senior notes due 2024 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 654
Debt instrument interest rate stated percentage	2.90%	2.90%
6.950% senior notes due 2024 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 291
Debt instrument interest rate stated percentage	6.95%	6.95%
3.450% senior notes due 2024 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 111
Debt instrument interest rate stated percentage	3.45%	3.45%
3.500% senior notes due 2025 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 137
Debt instrument interest rate stated percentage	3.50%	3.50%
5.875% senior notes due 2025 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 536	$ 606
Debt instrument interest rate stated percentage	5.875%	5.875%
5.500% senior notes due 2025 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 465	$ 465
Debt instrument interest rate stated percentage	5.50%	5.50%
5.550% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 870	$ 870
Debt instrument interest rate stated percentage	5.55%	5.55%
3.200% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 182	$ 182
Debt instrument interest rate stated percentage	3.20%	3.20%
3.400% senior notes due 2026 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 284	$ 284
Debt instrument interest rate stated percentage	3.40%	3.40%
Two-year term loan due 2026 (6.249% as of December 31, 2024) | Secured Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,700	$ 0
Debt instrument interest rate stated percentage	6.249%
Debt term	2 years	2 years
7.500% debentures due 2026 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 112	$ 112
Debt instrument interest rate stated percentage	7.50%	7.50%
8.500% senior notes due 2027 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 489	$ 489
Debt instrument interest rate stated percentage	8.50%	8.50%
3.000% senior notes due 2027 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 216	$ 216
Debt instrument interest rate stated percentage	3.00%	3.00%
7.125% debentures due 2027 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 150	$ 150
Debt instrument interest rate stated percentage	7.125%	7.125%
7.000% debentures due 2027 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 48	$ 48
Debt instrument interest rate stated percentage	7.00%	7.00%
5.000% senior notes due 2027 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 600	$ 0
Debt instrument interest rate stated percentage	5.00%	5.00%
6.625% debentures due 2028 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 14	$ 14
Debt instrument interest rate stated percentage	6.625%	6.625%
7.150% debentures due 2028 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 232	$ 232
Debt instrument interest rate stated percentage	7.15%	7.15%
7.200% senior debentures due 2028 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 82	$ 82
Debt instrument interest rate stated percentage	7.20%	7.20%
6.375% senior notes due 2028 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 578	$ 578
Debt instrument interest rate stated percentage	6.375%	6.375%
7.200% debentures due 2029 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 135	$ 135
Debt instrument interest rate stated percentage	7.20%	7.20%
7.950% debentures due 2029 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 116	$ 116
Debt instrument interest rate stated percentage	7.95%	7.95%
8.450% senior debentures due 2029 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 116	$ 116
Debt instrument interest rate stated percentage	8.45%	8.45%
3.500% senior notes due 2029 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 286	$ 286
Debt instrument interest rate stated percentage	3.50%	3.50%
5.200% senior notes due 2029 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,200	$ 0
Debt instrument interest rate stated percentage	5.20%	5.20%
Variable rate bonds due 2030 (5.710% and 5.750% as of December 31, 2024 and 2023, respectively) | Variable rate bonds
Debt Instrument [Line Items]
Long-term debt, gross	$ 68	$ 68
Debt instrument, variable rate	5.71%	5.75%
8.875% senior notes due 2030 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000	$ 1,000
Debt instrument interest rate stated percentage	8.875%	8.875%
6.625% senior notes due 2030 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,449	$ 1,449
Debt instrument interest rate stated percentage	6.625%	6.625%
6.125% senior notes due 2031 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,143	$ 1,143
Debt instrument interest rate stated percentage	6.125%	6.125%
7.500% senior notes due 2031 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 900	$ 900
Debt instrument interest rate stated percentage	7.50%	7.50%
7.875% senior notes due 2031 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 500	$ 500
Debt instrument interest rate stated percentage	7.875%	7.875%
5.375% senior notes due 2032 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000	$ 0
Debt instrument interest rate stated percentage	5.375%	5.375%
5.550% senior notes due 2034 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,200	$ 0
Debt instrument interest rate stated percentage	5.55%	5.55%
6.450% senior notes due 2036 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,727	$ 1,727
Debt instrument interest rate stated percentage	6.45%	6.45%
Zero Coupon senior notes due 2036 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 673	$ 673
0.000% loan due 2039 (CAD denominated)
Debt Instrument [Line Items]
Long-term debt, gross	$ 18	$ 19
Debt instrument interest rate stated percentage	0.00%	0.00%
4.300% senior notes due 2039 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 247	$ 247
Debt instrument interest rate stated percentage	4.30%	4.30%
7.950% senior notes due 2039 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 325	$ 325
Debt instrument interest rate stated percentage	7.95%	7.95%
6.200% senior notes due 2040 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 737	$ 737
Debt instrument interest rate stated percentage	6.20%	6.20%
4.500% senior notes due 2044 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 191	$ 191
Debt instrument interest rate stated percentage	4.50%	4.50%
4.625% senior notes due 2045 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 296	$ 296
Debt instrument interest rate stated percentage	4.625%	4.625%
6.600% senior notes due 2046 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,117	$ 1,117
Debt instrument interest rate stated percentage	6.60%	6.60%
4.400% senior notes due 2046 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 424	$ 424
Debt instrument interest rate stated percentage	4.40%	4.40%
4.100% senior notes due 2047 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 258	$ 258
Debt instrument interest rate stated percentage	4.10%	4.10%
4.200% senior notes due 2048 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 304	$ 304
Debt instrument interest rate stated percentage	4.20%	4.20%
4.400% senior notes due 2049 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 280	$ 280
Debt instrument interest rate stated percentage	4.40%	4.40%
6.050% senior notes due 2054 | Senior notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,000	$ 0
Debt instrument interest rate stated percentage	6.05%	6.05%
7.730% debentures due 2096 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 58	$ 58
Debt instrument interest rate stated percentage	7.73%	7.73%
7.500% debentures due 2096 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 60	$ 60
Debt instrument interest rate stated percentage	7.50%	7.50%
7.250% debentures due 2096 | Debentures
Debt Instrument [Line Items]
Long-term debt, gross	$ 5	$ 5
Debt instrument interest rate stated percentage	7.25%	7.25%