Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 742	$ 729	$ 433
Other comprehensive income (loss), before tax:
Change in current discount rate	103	(33)	290
Unrealized gains (losses) on securities	(180)	863	(6,445)
Pension and other postretirement benefits liability	(1)	(1)	0
Other comprehensive income (loss), before tax	(78)	829	(6,155)
Income tax expense (benefit) related to items of other comprehensive income (loss)	(16)	174	(1,293)
Other comprehensive income (loss), after tax	(62)	655	(4,862)
Comprehensive income (loss)	680	1,384	(4,429)
Less: Comprehensive income (loss) attributable to noncontrolling interest and redeemable noncontrolling interest	75	104	(77)
Comprehensive income (loss) attributable to Voya Financial, Inc.	$ 605	$ 1,280	$ (4,352)