Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net income (loss) available to common shareholders:
Income (loss) from continuing operations	$ 235	$ 143	$ 364	$ 254
Less: Preferred stock dividends	4	4	18	18
Less: Net income (loss) attributable to noncontrolling interest	77	75	123	118
Net income (loss) available to common shareholders	$ 154	$ 64	$ 223	$ 118
Weighted average common shares outstanding
Basic (in shares)	103.0	101.7	100.4	103.9
Dilutive Effects:
Diluted (in shares)	109.8	110.8	109.7	113.9
Net income (loss) available to Voya Financial, Inc.'s common shareholders per common share:
Basic (usd per share)	$ 1.50	$ 0.62	$ 2.22	$ 1.13
Diluted (usd per share)	$ 1.41	$ 0.57	$ 2.03	$ 1.03
Warrant
Dilutive Effects:
Dilutive Effects (in shares)	4.0	7.1	6.5	7.7
RSU awards
Dilutive Effects:
Dilutive Effects (in shares)	1.1	0.8	1.1	0.9
PSU awards
Dilutive Effects:
Dilutive Effects (in shares)	1.2	0.6	1.2	0.8
Stock options
Dilutive Effects:
Dilutive Effects (in shares)	0.5	0.6	0.5	0.6