Stockholders Equity and Noncontrolling Interests, Stock Repurchase (Details) - USD ($) shares in Millions, $ in Millions		1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 27, 2021	Jul. 25, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Stockholders' Equity
Treasury stock retired (in dollars)			$ 0.0	$ 0.0	$ 0.0	$ 0.0
Payments for shares repurchased (in dollars)			$ 153.6	$ 186.0	$ 320.5	$ 389.9
2021 Stock Repurchase Program
Stockholders' Equity
Value of shares authorized to be repurchased (in dollars)	$ 2,000.0
Repurchase of stock program, period	3 years
Number of treasury shares retired					4.1	5.0
Treasury stock retired (in dollars)					$ 320.5	$ 368.9
Number of shares repurchased			2.0	2.7	4.1	5.3
Payments for shares repurchased (in dollars)			$ 153.6	$ 186.0	$ 320.5	$ 389.9
Subsequent Event | 2021 Stock Repurchase Program
Stockholders' Equity
Number of shares repurchased		0.5
Payments for shares repurchased (in dollars)		$ 39.4
Value of shares remaining that may be repurchased under the stock repurchase program (in dollars)		$ 451.8