Shareholders' Equity (Narrative) (Details) - USD ($) shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 29, 2024	Apr. 24, 2023
Class of Stock [Line Items]
Dividends declared	$ (149,806,000)	$ (143,134,000)	$ (148,133,000)
Stock repurchases	$ 1,000,000,000	$ 1,074,673,000	$ 897,303,000
Share repurchase authorization increase					$ 1,000,000,000
Subsequent Event [Member]
Class of Stock [Line Items]
Share repurchase authorization increase				$ 1,500,000,000
Share repurchase plan [Member]
Class of Stock [Line Items]
Shares repurchased under authorized repurchase programs	13.8	24.2	17.7
Stock repurchases	$ 1,000,000,000	$ 1,100,000,000	$ 897,300,000
Remaining value of stock repurchase programs authorization	382,900,000
Shares withheld to pay taxes [Member]
Class of Stock [Line Items]
Stock repurchases	$ 12,000,000	$ 14,300,000	$ 10,800,000