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LONG-TERM DEBT - SCHEDULE (Details) - USD ($) $ in Millions | Jan. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  |  | $ 17,958 | $ 28,493
Unamortized premium, net |  |  | 1,261 | 670
Debt issuance costs |  |  | (73) | (135)
Net book value of debt |  |  | 19,146 | 29,028
Long-term finance leases |  |  | 546 | 504
Current finance leases |  |  | 143 | 85
Total debt and finance leases |  |  | 19,835 | 29,617
Less current maturities of financing leases |  |  | (143) | (85)
Less current maturities of long-term debt |  |  | (22) | (101)
Long-term debt, net | [1] |  | 19,670 | 29,431
Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  |  | 10,500 | 6,700
Net book value of debt |  |  | $ 9,800 | 6,800
2.600% senior notes due 2022 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 2.60% |
Long-term debt, gross |  |  | $ 0 | 101
2.700% senior notes due 2023 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 2.70% |
Long-term debt, gross |  |  | $ 0 | $ 442
8.750% medium-term notes due 2023 | Senior notes | Subsequent event |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  | 8.75% |  |
8.750% medium-term notes due 2023 | Medium-term notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 8.75% | 8.75%
Long-term debt, gross |  |  | $ 22 | $ 22
2.900% senior notes due 2024 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 2.90% |
Long-term debt, gross |  |  | $ 654 | 949
6.950% senior notes due 2024 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.95% |
Long-term debt, gross |  |  | $ 291 | 650
3.450% senior notes due 2024 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 3.45% |
Long-term debt, gross |  |  | $ 111 | 127
8.000% senior notes due 2025 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 8.00% |
Long-term debt, gross |  |  | $ 0 | 500
5.875% senior notes due 2025 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 5.875% |
Long-term debt, gross |  |  | $ 606 | 900
3.500% senior notes due 2025 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 3.50% |
Long-term debt, gross |  |  | $ 137 | 326
5.500% senior notes due 2025 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 5.50% |
Long-term debt, gross |  |  | $ 465 | 750
5.550% senior notes due 2026 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 5.55% |
Long-term debt, gross |  |  | $ 870 | 1,100
3.200% senior notes due 2026 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 3.20% |
Long-term debt, gross |  |  | $ 182 | 797
3.400% senior notes due 2026 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 3.40% |
Long-term debt, gross |  |  | $ 284 | $ 779
7.500% debentures due 2026 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  |  | 7.50%
7.500% debentures due 2026 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.50% | 7.50%
Long-term debt, gross |  |  | $ 112 | $ 112
8.500% senior notes due 2027 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 8.50% |
Long-term debt, gross |  |  | $ 489 | 500
3.000% senior notes due 2027 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 3.00% |
Long-term debt, gross |  |  | $ 216 | $ 634
7.125% debentures due 2027 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.125% | 7.125%
Long-term debt, gross |  |  | $ 150 | $ 150
7.000% debentures due 2027 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.00% | 7.00%
Long-term debt, gross |  |  | $ 48 | $ 48
6.625% debentures due 2028 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.625% | 6.625%
Long-term debt, gross |  |  | $ 14 | $ 14
7.150% debentures due 2028 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.15% |
Long-term debt, gross |  |  | $ 232 | $ 235
7.200% senior debentures due 2028 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.20% | 7.20%
Long-term debt, gross |  |  | $ 82 | $ 82
6.375% senior notes due 2028 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.375% |
Long-term debt, gross |  |  | $ 578 | $ 600
7.200% debentures due 2029 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.20% | 7.20%
Long-term debt, gross |  |  | $ 135 | $ 135
7.950% debentures due 2029 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.95% | 7.95%
Long-term debt, gross |  |  | $ 116 | $ 116
8.450% senior debentures due 2029 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 8.45% | 8.45%
Long-term debt, gross |  |  | $ 116 | $ 116
3.500% senior notes due 2029 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 3.50% |
Long-term debt, gross |  |  | $ 286 | $ 1,477
Variable rate bonds due 2030 | Variable rate bonds |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, variable rate |  |  | 5.32% | 0.90%
Long-term debt, gross |  |  | $ 68 | $ 68
8.875% senior notes due 2030 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 8.875% | 8.875%
Long-term debt, gross |  |  | $ 1,000 | $ 1,000
6.625% senior notes due 2030 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.625% |
Long-term debt, gross |  |  | $ 1,449 | 1,500
6.125% senior notes due 2031 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.125% |
Long-term debt, gross |  |  | $ 1,143 | $ 1,250
7.500% senior notes due 2031 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.50% | 7.50%
Long-term debt, gross |  |  | $ 900 | $ 900
7.875% senior notes due 2031 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.875% | 7.875%
Long-term debt, gross |  |  | $ 500 | $ 500
6.450% senior notes due 2036 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.45% |
Long-term debt, gross |  |  | $ 1,727 | 1,750
Zero Coupon senior notes due 2036 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  |  | $ 673 | 2,269
4.300% senior notes due 2039 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.30% |
Long-term debt, gross |  |  | $ 247 | $ 693
7.950% senior notes due 2039 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.95% | 7.95%
Long-term debt, gross |  |  | $ 325 | $ 325
6.200% senior notes due 2040 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.20% |
Long-term debt, gross |  |  | $ 737 | 750
4.500% senior notes due 2044 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.50% |
Long-term debt, gross |  |  | $ 191 | 608
4.625% senior notes due 2045 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.625% |
Long-term debt, gross |  |  | $ 296 | $ 634
6.600% senior notes due 2046 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 6.60% | 6.60%
Long-term debt, gross |  |  | $ 1,117 | $ 1,157
4.400% senior notes due 2046 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.40% |
Long-term debt, gross |  |  | $ 424 | 976
4.100% senior notes due 2047 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.10% |
Long-term debt, gross |  |  | $ 258 | 663
4.200% senior notes due 2048 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.20% |
Long-term debt, gross |  |  | $ 304 | 961
4.400% senior notes due 2049 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 4.40% |
Long-term debt, gross |  |  | $ 280 | $ 704
7.730% debentures due 2096 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  |  | 7.73%
7.730% debentures due 2096 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.73% | 7.73%
Long-term debt, gross |  |  | $ 58 | $ 58
7.500% debentures due 2096 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.50% | 7.50%
Long-term debt, gross |  |  | $ 60 | $ 60
7.250% debentures due 2096 | Senior notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  |  | 7.25%
7.250% debentures due 2096 | Debentures |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument interest rate stated percentage |  |  | 7.25% | 7.25%
Long-term debt, gross |  |  | $ 5 | $ 5
[1] | Included $546 million and $504 million of finance lease liabilities as of December 31, 2022 and 2021, respectively.

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