Segment Reporting (Reconciliation of Consolidated Segment Adjusted EBITDA) (Schedule) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting, Measurement Disclosures [Abstract]
Net earnings (loss)	$ 527.0	$ (713.5)
Income tax expense	26.9	12.5
Other income, net	(43.5)	(43.9)
Share of results of affiliates, net	8.0	238.6
Realized and unrealized losses (gains) due to changes in fair values of certain investments, net	(114.9)	5.5
Foreign currency transaction losses (gains), net	(69.1)	302.9
Realized and unrealized losses (gains) on derivative instruments, net	(565.3)	34.4
Interest expense	253.5	200.9
Operating income	22.6	37.4
Impairment, restructuring and other operating items, net	33.5	16.4
Depreciation and amortization	480.7	526.9
Share-based compensation expense	44.6	43.8
Adjusted EBITDA	$ 581.4	$ 624.5