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	Apr. 24, 2018	Jul. 26, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stockholders' Equity
Treasury stock retired (in dollars)				$ 0.0	$ 0.0	$ 0.0	$ 0.0
Payments for shares repurchased and retained in treasury (in dollars)				$ 186.0	$ 167.3	$ 389.9	$ 320.1
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 shares repurchased				2.7		5.3
Payments for shares repurchased (in dollars)				$ 186.0		$ 389.9
Number of shares repurchased and retained in treasury						0.3
Payments for shares repurchased and retained in treasury (in dollars)						$ 21.0
Number of shares repurchased and retired					1.7	5.0
Payments for shares repurchased and retired (in dollars)					$ 116.3	$ 368.9
2018 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 shares repurchased					0.8		3.1
Payments for shares repurchased (in dollars)					$ 51.0		$ 203.8
Number of shares repurchased and retained in treasury							0.3
Payments for shares repurchased and retained in treasury (in dollars)							$ 19.8
Number of shares repurchased and retired							2.8
Payments for shares repurchased and retired (in dollars)							$ 184.0
Subsequent Event | 2021 Stock Repurchase Program
Stockholders' Equity
Number of shares repurchased and retained in treasury			0.7
Payments for shares repurchased and retained in treasury (in dollars)			$ 48.0
Value of shares remaining that may be repurchased under the stock repurchase program (in dollars)			$ 1,104.2