Income Taxes (Reconciliation of Federal to Effective Taxes) (Schedule) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accrued Income Taxes [Abstract]
Computed “expected” tax benefit (expense)	$ 164.7	$ (219.8)
Non-deductible or non-taxable foreign currency exchange results	(88.2)	128.2
Basis and other differences in the treatment of items associated with investments in subsidiaries and affiliates	(76.6)	62.2
Non-deductible or non-taxable interest and other expenses	(26.1)	(32.2)
Valuation allowance	19.7	13.9
International rate differences	(4.4)	(40.9)
Other, net	(1.6)	7.4
Total income tax expense	$ (12.5)	$ (81.2)