Maximum period a tax credit can be carried forward.

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Maximum percentage of annual taxable income allowed to use of the tax credit carryforward.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Income Taxes Carryforwards (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 774.7	$ 683.0	$ 1,457.1	$ 1,530.5
Undistributed Earnings of Foreign Subsidiaries	2,300.0
Net Operating Loss Carryforward
Tax Credit Carryforward [Line Items]
Net operating loss	1,500.0
Foreign Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	775.1
Valuation allowance	364.7
Foreign Tax Credit Carryforward \| Tax Year 2023 Or Earlier
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	33.3
Foreign Tax Credit Carryforward \| Tax Year 2026 Or Earlier
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	332.7
Foreign Tax Credit Carryforward \| Tax Year 2029 Or Earlier
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	20.2
Foreign Tax Credit Carryforward \| Tax Year 2030 Or Earlier
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward, Amount	$ 14.6
Foreign Tax Authority
Tax Credit Carryforward [Line Items]
Maximum percentage of annual taxable income allowed to use of the tax credit carryforward	30.00%
Foreign Tax Authority \| Net Operating Loss Carryforward
Tax Credit Carryforward [Line Items]
Net operating loss	$ 507.6
Domestic Tax Authority \| Net Operating Loss Carryforward
Tax Credit Carryforward [Line Items]
Maximum Period to Utilize Tax Credits	20 years
Non-US
Tax Credit Carryforward [Line Items]
General Business Deferred Tax Assets	$ 3.9