Schedule II - Condensed Financial Information of Parent - Statements of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Net investment income	$ 2,074	$ 2,159	$ 2,281
Net gains (losses)	(27)	(72)	(686)
Other Income	423	327	148
Total revenues	8,050	7,348	5,930
Expenses:
Total benefits and expenses	7,251	6,670	5,502
Income tax expense (benefit)	57	(51)	(5)
Net income available to Voya Financial, Inc.	667	625	510
Less: Preferred stock dividends	41	36	36
Net income available to Voya Financial, Inc.'s common shareholders	626	589	474
Parent
Revenues:
Net investment income	36	38	12
Net gains (losses)	20	65	(52)
Other Income	1	27	18
Total revenues	57	130	(22)
Expenses:
Interest expense	130	130	114
Other expense	5	35	30
Total benefits and expenses	135	165	144
Income (loss) before income taxes and equity in earnings (losses) of subsidiaries	(78)	(35)	(166)
Income tax expense (benefit)	(18)	(18)	(86)
Less: Net income (loss) attributable to noncontrolling interest and redeemable noncontrolling interest	(60)	(17)	(80)
Equity in earnings (losses) of subsidiaries, net of tax	727	642	590
Net income available to Voya Financial, Inc.	667	625	510
Less: Preferred stock dividends	41	36	36
Net income available to Voya Financial, Inc.'s common shareholders	$ 626	$ 589	$ 474