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LONG-TERM DEBT - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended		9 Months Ended
	Aug. 31, 2025	Feb. 28, 2025	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Interest paid, net of amounts capitalized			$ 403	$ 350
Maximum aggregate borrowings under credit facility (up to)			4,500
Series TT Notes, maturing July 15, 2027
Debt Instrument [Line Items]
Senior notes, face amount			$ 400
Interest rate			4.20%
Series TT Notes, maturing July 15, 2027 \| Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount	$ 400
Interest rate	4.20%
Series UU Notes, maturing October 15, 2031
Debt Instrument [Line Items]
Senior notes, face amount			$ 500
Interest rate			4.50%
Series UU Notes, maturing October 15, 2031 \| Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount	$ 500
Interest rate	4.50%
Series VV Notes, maturing October 15, 2035
Debt Instrument [Line Items]
Senior notes, face amount			$ 600
Interest rate			5.30%
Series VV Notes, maturing October 15, 2035 \| Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount	$ 600
Interest rate	5.25%
Series VV Notes, maturing October 15, 2035 \| Senior Notes \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative liability	$ 500
Derivative, basis spread on variable rate	1.44%
Series TT ,UU and VV Notes \| Senior Notes
Debt Instrument [Line Items]
Proceeds from debt	$ 1,477
Series RR Notes, maturing April 15, 2032
Debt Instrument [Line Items]
Senior notes, face amount			$ 500
Interest rate			5.10%
Series RR Notes, maturing April 15, 2032 \| Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount		$ 500
Interest rate		5.10%
Series SS Notes, maturing April 15, 2037
Debt Instrument [Line Items]
Senior notes, face amount			$ 1,500
Interest rate			5.50%
Series SS Notes, maturing April 15, 2037 \| Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount		$ 1,500
Interest rate		5.50%
Series SS Notes, maturing April 15, 2037 \| Senior Notes \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative liability		$ 700
Derivative, basis spread on variable rate		1.49%
Series RR and SS Notes \| Senior Notes
Debt Instrument [Line Items]
Proceeds from debt		$ 1,960