Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jul. 31, 2021	Feb. 29, 2020
Shareholders' Equity
Dividends, Common Stock, Cash	$ 210,939	$ 210,496	$ 209,513
Common Stock, Dividends, Per Share, Declared	$ 1.04	$ 1.00	$ 0.96
Payments of Ordinary Dividends, Common Stock	$ 212,968	$ 209,248	$ 200,271
Stock Repurchase Program, Authorized Amount				$ 1,000,000	$ 500,000
Share repurchases (in shares)	16.9	4.4	11.3
Share repurchases	$ 1,060,632	$ 106,529	$ 348,608
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 383,400