Debt (Details) - Debt Issuance - USD ($) $ in Millions		12 Months Ended
	May 25, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument
Net proceeds of issuance, after the deduction of the underwriting discount and expenses		$ 0	$ 738	$ 0
Senior Notes [Member] | 5.45% Senior notes due May 25, 2053 [Member]
Debt Instrument
Debt, principal amount	$ 750
Interest rate (percent)	5.45%	5.45%	5.45%
Net proceeds of issuance, after the deduction of the underwriting discount and expenses	$ 738
Percentage of principal amount at which redemption price may be set	100.00%
Basis points added to current Treasury rate used in calculation of alternative redemption price	0.25%