Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2020	$ 22,954.1	$ 12.1	$ 18,438.8	$ 5,361.2	$ 0.0	$ (858.0)
Balance (in shares) at Dec. 31, 2020		1,206,895,644
Balance (in shares) at Dec. 31, 2020					0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	(1,037.6)
Other comprehensive loss, net of tax	(527.6)					(527.6)
Issuance of restricted stock, net of shares withheld (in shares)		1,635,326
Issuance of restricted stock, net of shares withheld	0.0		0.0
Taxes related to the net share settlement of equity awards	(6.9)		(6.9)
Stock compensation expense	32.7		32.7
Balance at Mar. 31, 2021	21,414.7	$ 12.1	18,464.6	4,323.6	$ 0.0	(1,385.6)
Balance (in shares) at Mar. 31, 2021		1,208,530,970
Balance (in shares) at Mar. 31, 2021					0
Balance at Dec. 31, 2021	20,492.7	$ 12.1	18,536.1	3,688.8	$ 0.0	(1,744.3)
Balance (in shares) at Dec. 31, 2021		1,209,507,463
Balance (in shares) at Dec. 31, 2021					0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	399.2
Other comprehensive loss, net of tax	(316.7)					(316.7)
Issuance of restricted stock, net of shares withheld (in shares)		2,816,020
Issuance of restricted stock, net of shares withheld	0.0	$ 0.0	0.0
Taxes related to the net share settlement of equity awards	(9.3)		(9.3)
Stock compensation expense	28.3		28.3
Balance at Mar. 31, 2022	$ 20,447.7	$ 12.1	$ 18,555.1	3,941.5	$ 0.0	$ (2,061.0)
Balance (in shares) at Mar. 31, 2022		1,212,323,483
Balance (in shares) at Mar. 31, 2022					0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends, Common Stock, Cash				$ (146.5)