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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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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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