Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018	Dec. 31, 2017
Income Tax Contingency [Line Items]
Effective tax rate	26.10%	(91.00%)	7.10%
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries	$ 2,600.0
Statutory tax rate	21.00%	21.00%	21.00%
Valuation allowance, amount	$ 387.0	$ 780.4
Expected foreign tax credits	196.1
Unrecognized tax benefit	296.7	322.9	$ 391.1		$ 92.1
Unrecognized tax benefits that impact effective tax rate	210.7
Accrued interest and penalties	106.4	96.8
Interest expense (income) related to uncertain tax positions	21.1		18.5	$ 6.0
Amount of unrecognized deferred tax liability	55.0
Unrecognized tax benefit — beginning of year	296.7	322.9	$ 391.1		$ 92.1
Reserve for Uncertain Tax Positions, Including Interest And Penalties	298.1	315.6
CARES Act, Income Tax Expense (Benefit)		22.1
Income Tax Examination [Line Items]
Reserve for Uncertain Tax Positions, Including Interest And Penalties	298.1	315.6
PUERTO RICO
Income Tax Contingency [Line Items]
Operating loss carryforwards expired in period	274.4
U.S. Federal Tax Authority
Income Tax Contingency [Line Items]
Net operating loss carryforwards	4.6
U.S. State Tax Authority
Income Tax Contingency [Line Items]
Net operating loss carryforwards	2,900.0
Foreign
Income Tax Contingency [Line Items]
Net operating loss carryforwards	1,010.0
Foreign deductible attributes	37.3
Credit carryforward	213.3
Foreign | Australian Taxation Office
Income Tax Contingency [Line Items]
Partial payment of anticipated tax expense	5.2	$ 56.0
Indefinite | Foreign
Income Tax Contingency [Line Items]
Net operating loss carryforwards	810.8
2016 through 2035 | Foreign
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 195.1