Earnings Per Share - Stock Repurchase Activity (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) shares
Shares
Beginning balance, shares | shares	7,000,000
Repurchases | shares	2,000,000
Ending balance, shares | shares	9,000,000
Cost
Beginning balance, cost | $	$ 272
Repurchases | $	85
Ending balance, cost | $	$ 357