Common Stock (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended		3 Months Ended
	Mar. 31, 2023	Jan. 31, 2023	Mar. 31, 2023	Mar. 31, 2022
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)				3.2
Purchase of treasury shares			$ 300	$ 500
Stock-based compensation, shares issued during period (in shares)			1.8	1.8
Dividends per share (in dollars per share)	$ 0.59	$ 0.59
Common Stock
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased (in shares)			1.8
Stock repurchase program, remaining authorized repurchase amount	$ 4,000		$ 4,000