Schedule II - Condensed Financial Information of Parent - Statements of Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Condensed Financial Statements, Captions [Line Items]
Net income (loss) available to Voya Financial, Inc.	$ 667	$ 625	$ 510
Other comprehensive income (loss), after tax	(62)	655	(4,862)
Comprehensive income (loss) attributable to Voya Financial, Inc.	605	1,280	(4,352)
Parent
Condensed Financial Statements, Captions [Line Items]
Net income (loss) available to Voya Financial, Inc.	667	625	510
Other comprehensive income (loss), after tax	(62)	655	(4,862)
Comprehensive income (loss) attributable to Voya Financial, Inc.	$ 605	$ 1,280	$ (4,352)