SENIOR NOTES PAYABLE (Details) - Senior notes payable - USD ($)	1 Months Ended
	Sep. 30, 2025	Apr. 30, 2021	Mar. 31, 2020	May 31, 2017	Sep. 30, 2024	Jul. 31, 2016
Debt Instrument [Line Items]
Long-term debt, gross	$ 3,550,000,000				$ 2,050,000,000
Net unaccreted premiums/(discounts)	0				5,000,000
Unamortized debt issuance costs	(30,000,000)				(15,000,000)
Total senior notes payable	3,520,000,000				2,040,000,000
4.65% senior notes, due 2030
Debt Instrument [Line Items]
Interest rate			4.65%
Long-term debt, gross	$ 500,000,000				500,000,000
Aggregate principal amount of the notes			$ 500,000,000
Redemption price percentage			100.00%
Basis spread used in determining redemption price			0.50%
4.90% senior notes, due 2035
Debt Instrument [Line Items]
Interest rate	4.90%
Long-term debt, gross	$ 650,000,000				0
Aggregate principal amount of the notes	$ 650,000,000
Redemption price percentage	100.00%
Basis spread used in determining redemption price	0.15%
4.95% senior notes, due 2046
Debt Instrument [Line Items]
Interest rate						4.95%
Long-term debt, gross	$ 800,000,000				800,000,000
Aggregate principal amount of the notes						$ 300,000,000
Redemption price percentage				100.00%
Basis spread used in determining redemption price				0.45%
4.95% senior notes, due 2046, additional
Debt Instrument [Line Items]
Interest rate				4.95%
Aggregate principal amount of the notes				$ 500,000,000
3.75% senior notes, due 2051
Debt Instrument [Line Items]
Interest rate		3.75%
Long-term debt, gross	$ 750,000,000				750,000,000
Aggregate principal amount of the notes		$ 750,000,000
Redemption price percentage		100.00%
Basis spread used in determining redemption price		0.20%
5.65% senior notes, due 2055
Debt Instrument [Line Items]
Interest rate	5.65%
Long-term debt, gross	$ 850,000,000				$ 0
Aggregate principal amount of the notes	$ 850,000,000
Redemption price percentage	100.00%
Basis spread used in determining redemption price	0.15%