Investments (excluding Consolidated Investment Entities) - Composition of US and Foreign Corporate Securities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	$ 29,534	$ 30,202
Securities pledged
Schedule of Available for Sale, including Securities Pledged [Line Items]
Securities pledged under repurchase agreements, carrying value	$ 113	$ 113
Mortgage-backed securities
Schedule of Available for Sale, including Securities Pledged [Line Items]
Percent collateralized mortgage backed securities including interest-only strip or principal-only strip	45.20%	41.60%
Fixed maturities
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	$ 33,105	$ 33,656
Gross Unrealized Capital Gains	309	191
Gross Unrealized Capital Losses	2,938	3,481
Fixed maturities, available-for-sale, at fair value	30,468	30,357
Collateral Pledged
Schedule of Available for Sale, including Securities Pledged [Line Items]
Securities Sold under Agreements to Repurchase, Asset	0
Communications
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	1,184	1,156
Gross Unrealized Capital Gains	27	16
Gross Unrealized Capital Losses	101	130
Fixed maturities, available-for-sale, at fair value	1,110	1,042
Financial
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	4,008	4,153
Gross Unrealized Capital Gains	48	31
Gross Unrealized Capital Losses	425	491
Fixed maturities, available-for-sale, at fair value	3,631	3,693
Industrial and other companies
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	8,136	8,379
Gross Unrealized Capital Gains	60	26
Gross Unrealized Capital Losses	748	953
Fixed maturities, available-for-sale, at fair value	7,448	7,452
Energy
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	1,987	1,979
Gross Unrealized Capital Gains	55	39
Gross Unrealized Capital Losses	127	160
Fixed maturities, available-for-sale, at fair value	1,915	1,858
Utilities
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	3,648	3,664
Gross Unrealized Capital Gains	40	21
Gross Unrealized Capital Losses	286	355
Fixed maturities, available-for-sale, at fair value	3,402	3,330
Transportation
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	1,115	1,165
Gross Unrealized Capital Gains	5	2
Gross Unrealized Capital Losses	100	128
Fixed maturities, available-for-sale, at fair value	1,020	1,039
Total
Schedule of Available for Sale, including Securities Pledged [Line Items]
Fixed maturities, amortized cost	20,078	20,496
Gross Unrealized Capital Gains	235	135
Gross Unrealized Capital Losses	1,787	2,217
Fixed maturities, available-for-sale, at fair value	$ 18,526	$ 18,414

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

+ Details

Name:	us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of asset associated with funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226038-175313

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

+ Details

Name:	us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percent Collateralized Mortgage Backed Securities including Interest-Only Strip or Principal-Only Strip

+ References

No definition available.

+ Details

Name:	voya_PercentCollateralizedMortgageBackedSecuritiesIncludingInterestOnlyStripOrPrincipalOnlyStrip
Namespace Prefix:	voya_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Schedule of Available for Sale, including Securities Pledged [Line Items]

+ References

No definition available.

+ Details

Name:	voya_ScheduleOfAvailableForSaleIncludingSecuritiesPledgedLineItems
Namespace Prefix:	voya_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Securities Pledged under repurchase agreements, carrying value

+ References

No definition available.

+ Details

Name:	voya_SecuritiesPledgedunderrepurchaseagreementscarryingvalue
Namespace Prefix:	voya_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_BalanceSheetLocationAxis=voya_SecuritiespledgedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_FixedMaturitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CollateralAxis=us-gaap_CollateralPledgedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_CommunicationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_FinancialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_IndustrialAndOtherCompaniesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_EnergyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_UtilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_TransportationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=voya_USAndForeignCorporateSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: