Income Taxes (Schedule of Components of Income Tax Provision) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Contingency [Line Items]
Income tax provision	$ 148.2	$ 734.6	$ 604.7
Earnings (loss) before income taxes and noncontrolling interest:
Operating and non-operating expense	202.9	2,813.2	(664.4)
Foreign Tax Authority
Income Tax Contingency [Line Items]
U.S. Federal Current	2.6	115.3	12.6
U.S. Federal Deferred	293.4	263.7	(182.7)
Income tax provision (benefit), U.S. Federal	296.0	379.0	(170.1)
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest, United States	(951.5)	794.8	(1,982.5)
U.S. State Tax Authority
Income Tax Contingency [Line Items]
U.S. State Current	1.9	26.5	7.7
U.S. State Deferred	2.6	20.3	(10.8)
Income tax provision (benefit), U.S. State	4.5	46.8	(3.1)
Non-U.S. state tax authority
Income Tax Contingency [Line Items]
Non-U.S. Current	530.8	618.7	(91.3)
Non-U.S. Deferred	(683.1)	(309.9)	869.2
Income tax provision (benefit), Non-U.S.	(152.3)	308.8	777.9
Other Foreign Operations
Earnings (loss) before income taxes and noncontrolling interest:
Earnings before income taxes and noncontrolling interest, foreign	$ 1,154.4	$ 2,018.4	$ 1,318.1