Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Nov. 30, 2023	Nov. 30, 2022	Feb. 28, 2022	Jul. 31, 2021	Feb. 29, 2020
Shareholders' Equity
Dividends declared	$ 280,501	$ 245,287	$ 210,939
Dividends declared per share (in dollars per share)	$ 1.70	$ 1.36	$ 1.04
Dividends paid	$ 271,317	$ 237,163	$ 212,968
Authorized share purchase program				$ 1,500,000	$ 1,500,000	$ 1,250,000	$ 1,000,000	$ 500,000
Share repurchases (in shares)	13.4	23.0	16.9
Share repurchases	$ 1,452,203	$ 1,800,905	$ 1,060,632
Remaining authorized repurchase amount	$ 1,400,000