LONG-TERM DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Long-term Debt
Long-term debt, gross	$ 24,899	$ 17,955
Unamortized premium, net	1,062	1,152
Debt issuance costs	(111)	(106)
Net book value of debt	25,850	19,001
Long-term finance leases, included in Long-term debt	651	591
Current finance leases, included in current maturities of long-term debt	134	146
Total debt and finance leases	26,635	19,738
Less: current finance leases, included in current maturities of long-term debt	(134)	(146)
Less: current maturities of long-term debt	(1,045)	(1,056)
Long-term debt, net	$ 25,456	18,536
2.900% senior notes due 2024 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	2.90%
Long-term debt, gross	$ 0	654
6.950% senior notes due 2024 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.95%
Long-term debt, gross	$ 0	291
3.450% senior notes due 2024 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	3.45%
Long-term debt, gross	$ 0	111
3.500% senior notes due 2025 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	3.50%
Long-term debt, gross	$ 137	137
364-day term loan due 2025 (6.801% as of September 30, 2024) | Secured Debt
Long-term Debt
Debt instrument interest rate stated percentage	6.801%
Debt term	364 days
Long-term debt, gross	$ 300	0
5.875% senior notes due 2025 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.875%
Long-term debt, gross	$ 606	606
5.500% senior notes due 2025 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.50%
Long-term debt, gross	$ 465	465
5.550% senior notes due 2026 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.55%
Long-term debt, gross	$ 870	870
3.400% senior notes due 2026 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	3.40%
Long-term debt, gross	$ 284	284
Two-year term loan due 2026 (6.926% as of September 30, 2024) | Secured Debt
Long-term Debt
Debt instrument interest rate stated percentage	6.926%
Debt term	2 years
Long-term debt, gross	$ 2,700	0
3.200% senior notes due 2026 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	3.20%
Long-term debt, gross	$ 182	182
7.500% debentures due 2026 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.50%
Long-term debt, gross	$ 112	112
8.500% senior notes due 2027 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	8.50%
Long-term debt, gross	$ 489	489
3.000% senior notes due 2027 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	3.00%
Long-term debt, gross	$ 216	216
7.125% debentures due 2027 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.125%
Long-term debt, gross	$ 150	150
7.000% debentures due 2027 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.00%
Long-term debt, gross	$ 48	48
5.000% senior notes due 2027 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.00%
Long-term debt, gross	$ 600	0
6.625% debentures due 2028 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	6.625%
Long-term debt, gross	$ 14	14
7.150% debentures due 2028 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.15%
Long-term debt, gross	$ 232	232
7.200% senior debentures due 2028 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	7.20%
Long-term debt, gross	$ 82	82
6.375% senior notes due 2028 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.375%
Long-term debt, gross	$ 578	578
7.200% debentures due 2029 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.20%
Long-term debt, gross	$ 135	135
7.950% debentures due 2029 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.95%
Long-term debt, gross	$ 116	116
8.450% senior notes due 2029 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	8.45%
Long-term debt, gross	$ 116	116
3.500% senior notes due 2029 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	3.50%
Long-term debt, gross	$ 286	286
5.200% senior notes due 2029 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.20%
Long-term debt, gross	$ 1,200	$ 0
Variable rate bonds due 2030 (5.200% and 5.750% as of September 30, 2024 and December 31, 2023, respectively) | Variable Rate Bonds
Long-term Debt
Debt instrument, variable rate	5.20%	5.75%
Long-term debt, gross	$ 68	$ 68
8.875% senior notes due 2030 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	8.875%
Long-term debt, gross	$ 1,000	1,000
6.625% senior notes due 2030 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.625%
Long-term debt, gross	$ 1,449	1,449
6.125% senior notes due 2031 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.125%
Long-term debt, gross	$ 1,143	1,143
7.500% senior notes due 2031 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	7.50%
Long-term debt, gross	$ 900	900
7.875% senior notes due 2031 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	7.875%
Long-term debt, gross	$ 500	500
5.375% senior notes due 2032 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.375%
Long-term debt, gross	$ 1,000	0
5.550% senior notes due 2034 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	5.55%
Long-term debt, gross	$ 1,200	0
6.450% senior notes due 2036 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.45%
Long-term debt, gross	$ 1,727	1,727
Zero Coupon senior notes due 2036 | Senior Notes
Long-term Debt
Long-term debt, gross	$ 673	673
0.000% loan due 2039
Long-term Debt
Debt instrument interest rate stated percentage	0.00%
Long-term debt, gross	$ 19	19
4.300% senior notes due 2039 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.30%
Long-term debt, gross	$ 247	247
7.950% senior notes due 2039 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	7.95%
Long-term debt, gross	$ 325	325
6.200% senior notes due 2040 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.20%
Long-term debt, gross	$ 737	737
4.500% senior notes due 2044 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.50%
Long-term debt, gross	$ 191	191
4.625% senior notes due 2045 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.625%
Long-term debt, gross	$ 296	296
6.600% senior notes due 2046 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.60%
Long-term debt, gross	$ 1,117	1,117
4.400% senior notes due 2046 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.40%
Long-term debt, gross	$ 424	424
4.100% senior notes due 2047 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.10%
Long-term debt, gross	$ 258	258
4.200% senior notes due 2048 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.20%
Long-term debt, gross	$ 304	304
4.400% senior notes due 2049 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	4.40%
Long-term debt, gross	$ 280	280
6.050% senior notes due 2054 | Senior Notes
Long-term Debt
Debt instrument interest rate stated percentage	6.05%
Long-term debt, gross	$ 1,000	0
7.730% debentures due 2096 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.73%
Long-term debt, gross	$ 58	58
7.500% debentures due 2096 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.50%
Long-term debt, gross	$ 60	60
7.250% debentures due 2096 | Debentures
Long-term Debt
Debt instrument interest rate stated percentage	7.25%
Long-term debt, gross	$ 5	$ 5