Shareholders' Equity - Schedule of Common Stock (Details) - Share repurchase program - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Equity, Class of Treasury Stock [Line Items]
Common stock acquired (shares)	13,800	42,300
Average cost per share (USD per share)	$ 72.23	$ 78.08
Total common stock repurchased	$ 1,000	$ 3,300