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DEBT - Schedule of Consolidated Debt (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 | Jun. 30, 2023 | Feb. 28, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |  |  |
Commercial Paper | $ 0 |  |  | $ 0
Total debt | 22,794 |  |  | 13,731
Unamortized debt discounts | (1,015) |  |  | (35)
Unamortized debt issuance costs and terminated swaps | (112) |  |  | (75)
Current maturities of long-term debt | (484) |  |  | (925)
Long-term debt, excluding current maturities (Note H) | 21,183 |  |  | 12,696
$425 at 5.0% due September 2023 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 425 |  |  |
Interest rate | 5.00% |  | 5.00% |
Total debt | $ 0 |  |  | 425
$500 at 7.5% due September 2023 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 7.50% | 7.50% |  |
Total debt | $ 0 |  |  | 500
$500 at 2.75% due September 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 2.75% |  |  |
Total debt | $ 484 |  |  | 500
3.2% Notes Payable due 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 250 |  |  |
Interest rate | 3.20% |  |  |
Total debt | $ 250 |  |  | 0
$500 at 4.9% due March 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 4.90% |  |  |
Total debt | $ 500 |  |  | 500
$400 at 2.2% due September 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 400 |  |  |
Interest rate | 2.20% |  |  |
Total debt | $ 387 |  |  | 387
$600 at 5.85% due January 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 600 |  |  |
Interest rate | 5.85% |  |  |
Total debt | $ 600 |  |  | 600
5.0% Notes Payable due 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 650 |  |  |
Interest rate | 5.00% |  |  |
Total debt | $ 650 |  |  | 0
$750 at 5.55% due November 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt | 750 |  |  | 0
$500 at 4.0% due July 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 4.00% |  |  |
Total debt | $ 500 |  |  | 500
$800 at 4.55% due July 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 800 |  |  |
Interest rate | 4.55% |  |  |
Total debt | $ 800 |  |  | 800
$100 at 6.875% due September 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 100 |  |  |
Interest rate | 6.875% |  |  |
Total debt | $ 100 |  |  | 100
$750 at 5.65% due November 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt | 750 |  |  | 0
$700 at 4.35% due March 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 700 |  |  |
Interest rate | 4.35% |  |  |
Total debt | $ 700 |  |  | 700
$750 at 3.4% due September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 750 |  |  |
Interest rate | 3.40% |  |  |
Total debt | $ 714 |  |  | 714
$850 at 3.1% due March 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 850 |  |  |
Interest rate | 3.10% |  |  |
Total debt | $ 780 |  |  | 780
3.25% Notes Payable due June 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 3.25% |  |  |
Total debt | $ 500 |  |  | 0
$500 at 5.8% due November 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt | 500 |  |  | 0
$600 at 6.35% due January 2031 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 600 |  |  |
Interest rate | 6.35% |  |  |
Total debt | $ 600 |  |  | 600
$750 at 6.1% due November 2032 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 750 |  |  | $ 750
Interest rate | 6.10% |  |  | 6.10%
Total debt | $ 750 |  |  | $ 750
$1,500 at 6.05% due September 2033 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | 1,500 |  |  |
Total debt | 1,500 |  |  | 0
$400 at 6.0% due June 2035 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 400 |  |  |
Interest rate | 6.00% |  |  |
Total debt | $ 400 |  |  | 400
$600 at 6.65% due October 2036 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 600 |  |  |
Interest rate | 6.65% |  |  |
Total debt | $ 600 |  |  | 600
6.4% Notes Payable due May 2037 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 250 |  |  |
Interest rate | 6.40% |  |  |
Total debt | $ 250 |  |  | 0
$600 at 6.85% due October 2037 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 600 |  |  |
Interest rate | 6.85% |  |  |
Total debt | $ 600 |  |  | 600
$650 at 6.125% due February 2041 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 650 |  |  |
Interest rate | 6.125% |  |  |
Total debt | $ 650 |  |  | 650
4.2% Notes Payable due 2042 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 250 |  |  |
Interest rate | 4.20% |  |  |
Total debt | $ 250 |  |  | 0
$400 at 6.2% due September 2043 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 400 |  |  |
Interest rate | 6.20% |  |  |
Total debt | $ 400 |  |  | 400
5.15% Notes Payable due 2043 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 550 |  |  |
Interest rate | 5.15% |  |  |
Total debt | $ 550 |  |  | 0
4.2% Notes Payable due 2045 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 250 |  |  |
Interest rate | 4.20% |  |  |
Total debt | $ 250 |  |  | 0
4.25% Notes Payable due 2046 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 4.25% |  |  |
Total debt | $ 500 |  |  | 0
$700 at 4.95% due July 2047 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 700 |  |  |
Interest rate | 4.95% |  |  |
Total debt | $ 564 |  |  | 689
4.2% Notes Payable due 2047 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 4.20% |  |  |
Total debt | $ 500 |  |  | 0
$1,000 at 5.2% due July 2048 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 1,000 |  |  |
Interest rate | 5.20% |  |  |
Total debt | $ 919 |  |  | 1,000
4.85% Notes Payable due 2049 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 4.85% |  |  |
Total debt | $ 500 |  |  | 0
$750 at 4.45% due September 2049 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 750 |  |  |
Interest rate | 4.45% |  |  |
Total debt | $ 576 |  |  | 673
$500 at 4.5% due March 2050 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 500 |  |  |
Interest rate | 4.50% |  |  |
Total debt | $ 443 |  |  | 443
3.95% Notes Payable due 2050 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 800 |  |  |
Interest rate | 3.95% |  |  |
Total debt | $ 797 |  |  | 0
$300 at 7.15% due January 2051 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 300 |  |  |
Interest rate | 7.15% |  |  |
Total debt | $ 300 |  |  | 300
$1,750 at 6.625% due September 2053 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt | 1,750 |  |  | 0
Notes Payable due 2025 | Variable Rate | Guardian Pipeline |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | 120 |  |  |
Total debt | $ 120 |  |  | 120
Debt instrument, interest rate (as a percent) | 6.58% |  |  |
Notes Payable due 2026 | Variable Rate | Viking Pipeline |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount | $ 60 |  |  |
Total debt | $ 60 |  |  | $ 0
Debt instrument, interest rate (as a percent) | 6.71% |  |  |

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