Financing Agreements - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt	$ 2,235	$ 2,596
Less: Current portion of long-term debt	141	1
Total long-term debt, excluding current portion	2,094	2,595
Senior Notes \| 3.65% Senior Notes, due 2026
Debt Instrument [Line Items]
Long-term debt	$ 445	445
Annual interest rate on debt	3.65%
Senior Notes \| 5.7% Senior Notes, due 2043
Debt Instrument [Line Items]
Long-term debt	$ 395	395
Annual interest rate on debt	5.70%
Senior Notes \| 4.8% Senior Notes, due 2046
Debt Instrument [Line Items]
Long-term debt	$ 297	297
Annual interest rate on debt	4.80%
Junior Subordinated Notes \| 4.7% Fixed-to-Floating Rate Junior Subordinated Notes, due 2048(4)
Debt Instrument [Line Items]
Long-term debt	$ 336	345
Annual interest rate on debt	4.70%
Junior Subordinated Notes \| 5.65% Fixed-to-Floating Rate Junior Subordinated Notes, due 2053
Debt Instrument [Line Items]
Long-term debt	$ 388	740
Annual interest rate on debt	5.65%
Debentures \| 7.25% Voya Holdings Inc. debentures, due 2023
Debt Instrument [Line Items]
Long-term debt	$ 140	140
Annual interest rate on debt	7.25%
Debentures \| 7.63% Voya Holdings Inc. debentures, due 2026
Debt Instrument [Line Items]
Long-term debt	$ 139	139
Annual interest rate on debt	7.63%
Debentures \| 6.97% Voya Holdings Inc. debentures, due 2036
Debt Instrument [Line Items]
Long-term debt	$ 79	79
Annual interest rate on debt	6.97%
Debentures \| Voya Holdings Debentures
Debt Instrument [Line Items]
Long-term debt	$ 358
Notes payable, other \| 8.42% Equitable of Iowa Companies Capital Trust II Notes, due 2027
Debt Instrument [Line Items]
Long-term debt	$ 13	13
Annual interest rate on debt	8.42%
Loans payable \| 1.00% Windsor Property Loan
Debt Instrument [Line Items]
Long-term debt	$ 3	$ 3
Annual interest rate on debt	1.00%

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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