Earnings per Common Share Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Income (Loss) from continuing operations	$ 742	$ 729	$ 433
Preferred Stock Dividends, Income Statement Impact	41	36	36
Income (loss) attributable to noncontrolling interests	75	104	(77)
Net income available to Voya Financial, Inc.'s common shareholders	$ 626	$ 589	$ 474
Basic (shares)	99.2	102.7	100.7
Diluted (shares)	101.4	108.8	110.2
Basic	$ 6.31	$ 5.74	$ 4.70
Diluted	$ 6.17	$ 5.42	$ 4.30
Warrants
Class of Stock [Line Items]
Dilutive Effects (shares)	0.0	3.3	7.2
Restricted Share Units (RSUs)
Class of Stock [Line Items]
Dilutive Effects (shares)	1.1	1.2	0.9
PSU awards
Class of Stock [Line Items]
Dilutive Effects (shares)	0.7	1.1	0.8
Stock options
Class of Stock [Line Items]
Dilutive Effects (shares)	0.4	0.5	0.6