Shareholders' Equity - Schedule of Common Stock (Details) - Share repurchase program - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Equity, Class of Treasury Stock [Line Items]
Common stock acquired (shares)	14,800	28,400
Average cost per share (USD per share)	$ 71.08	$ 80.93
Total common stock repurchased	$ 1,050	$ 2,300