Capital Stock (Details) - USD ($)		3 Months Ended						9 Months Ended
	Oct. 24, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Jul. 25, 2024	Dec. 31, 2021
Dividends Payable [Line Items]
Stock repurchase program, authorized amount										$ 2,000,000,000	$ 3,000,000,000
Common stock repurchased		$ 110,000,000	$ 2,000,000	$ 5,000,000	$ 1,000,000	$ 5,000,000	$ 6,000,000	$ 117,000,000
Stock repurchased related to settlement of pension obligation								$ 107,000,000
Common stock, dividends, per share, paid (in dollars per share)		$ 0.25			$ 0.24			$ 0.75	$ 0.72
Common stock, dividends, per share, declared (in dollars per share)		$ 0.25			$ 0.24			$ 0.75	$ 0.72
Subsequent Event
Dividends Payable [Line Items]
Common stock, dividends, per share, declared (in dollars per share)	$ 0.25