Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Valuation Allowance [Line Items]
Current income tax receivable	$ 12,000,000
Net operating loss carryforwards	62,000,000
Valuation allowance	96,000,000	$ 95,000,000
Valuation allowance allocated to continuing operations	219,000,000	218,000,000
Valuation allowance allocated to Other comprehensive income (losses) related to realized and unrealized capital losses	(123,000,000)	(123,000,000)
Unrealized gains (losses) on securities	(180,000,000)	863,000,000	$ (6,445,000,000)
Unrecognized tax benefits that would affect effective rate	1,000,000
Gross interest (benefit) related to unrecognized tax	0
Income tax expense (benefit)	57,000,000	(51,000,000)	(5,000,000)
Net gains (losses)	(27,000,000)	(72,000,000)	(686,000,000)
Income tax expense (benefit)	57,000,000	(51,000,000)	(5,000,000)
Net gains (losses)	(27,000,000)	(72,000,000)	$ (686,000,000)
Voya India
Valuation Allowance [Line Items]
Net gains (losses)	45,000,000	45,000,000
Net gains (losses)	45,000,000	$ 45,000,000
SLD
Valuation Allowance [Line Items]
Income tax expense (benefit)	92,000,000
Income tax expense (benefit)	$ 92,000,000