Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 03, 2022	Nov. 02, 2021	May 04, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share repurchase program, open market	0	14,000,000	21,000,000
Share repurchase program, open market, average price per share		$ 62.37	$ 61.52
Share repurchase program, remaining authorized repurchase amount	$ 200
First 2021 Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount						$ 1,000
Second 2021 Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount					$ 500
2022 Share Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount				$ 600