Income Taxes - Tax Sharing Agreement (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Valuation allowance, deferred tax assets	$ 0.0
Income taxes receivable	0.0	$ 5.0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	0.0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0.0
Voya Financial, Inc.
Related Party Transaction [Line Items]
Income taxes payable	$ (42.0)
Income taxes receivable		$ 5.0

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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- Definition

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

+ References

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-Publisher FASB
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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

+ References

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- Definition

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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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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