Related Party Transactions - Operating Agreements and Investment Advisory and Other Fees (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Expenses incurred	$ 1
Earning related to agreements	979	$ 1,088	$ 905
Voya Investment Management LLC
Related Party Transaction [Line Items]
Expenses incurred	68	69	73
Earning related to agreements	56	67	57
Voya Services Company
Related Party Transaction [Line Items]
Asset management, administrative and accounting services fees	454	505	458
Voya Financial Advisors, Inc
Related Party Transaction [Line Items]
Commission expenses incurred	72	84	81
Affiliated entity \| Voya Financial Partners, LLC (VFP)
Related Party Transaction [Line Items]
Distribution revenues	$ 26	$ 31	$ 26

Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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