Fair Value Measurements - Level 3 Financial Instruments (Details) - Assets measured on recurring basis - Level 3 - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Assets held in separate accounts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	$ 349	$ 334	$ 347	$ 316
Total Realized/Unrealized Gains (Losses) Included in Net Income	(8)	(12)	(4)	(26)
Total Realized/Unrealized Gains (Losses) Included in OCI	0	0	0	0
Purchases	7	67	7	132
Issuances	0	0	0	0
Sales	(7)	(3)	(9)	(4)
Settlements	0	0	0	0
Transfers in to Level 3	3	0	3	6
Transfers out of Level 3	0	(37)	0	(75)
Fair Value, assets, ending balance	344	349	344	349
Change in Unrealized Gains (Losses) Included in Earnings	0	0	0	0
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	0	0	0	0
Stabilizer (Investment Only) and MCG Contracts
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	(3)	(15)	(6)	(20)
Total Realized/Unrealized Gains (Losses) Included in Net Income	0	11	3	17
Total Realized/Unrealized Gains (Losses) Included in OCI	0	0	0	0
Purchases	0	0	0	0
Issuances	0	0	0	(1)
Sales	0	0	0	0
Settlements	0	0	0	0
Transfers in to Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Fair Value, assets, ending balance	(3)	(4)	(3)	(4)
Change in Unrealized Gains (Losses) Included in Earnings	0	0	0	0
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	0	0	0	0
U.S. corporate public securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	14	47	13	5
Total Realized/Unrealized Gains (Losses) Included in Net Income		0		0
Total Realized/Unrealized Gains (Losses) Included in OCI	(1)			(1)
Purchases		0		4
Issuances		0		0
Sales		0		0
Settlements		0		0
Transfers in to Level 3		0		0
Transfers out of Level 3		(39)		0
Fair Value, assets, ending balance	13	8	13	8
Change in Unrealized Gains (Losses) Included in Earnings		0		0
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	0	0	0	(1)
U.S. corporate private securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	1,364	1,424	1,356	1,379
Total Realized/Unrealized Gains (Losses) Included in Net Income		0		1
Total Realized/Unrealized Gains (Losses) Included in OCI	(23)	(98)	3	(210)
Purchases	17	73	47	136
Issuances		0		0
Sales	(3)	0	(3)	0
Settlements	(50)	(42)	(98)	(83)
Transfers in to Level 3		0		110
Transfers out of Level 3		(34)		(10)
Fair Value, assets, ending balance	1,305	1,323	1,305	1,323
Change in Unrealized Gains (Losses) Included in Earnings		0		0
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	(23)	(98)	3	(210)
Foreign corporate public securities and foreign governments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance		3	2
Purchases		4		4
Transfers out of Level 3		(3)	(2)
Fair Value, assets, ending balance		4		4
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI		0	0	0
Foreign corporate private securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	352	378	339	272
Total Realized/Unrealized Gains (Losses) Included in Net Income	1	(3)	2	(20)
Total Realized/Unrealized Gains (Losses) Included in OCI		(5)	5	(24)
Purchases	15	47	63	86
Issuances		0		0
Sales		0		0
Settlements	(65)	(7)	(129)	(17)
Transfers in to Level 3	30	0	53	110
Transfers out of Level 3		(107)		(104)
Fair Value, assets, ending balance	333	303	333	303
Change in Unrealized Gains (Losses) Included in Earnings	1	(3)	2	(3)
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	0	(5)	4	(24)
Residential mortgage-backed
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	48	37	20	34
Total Realized/Unrealized Gains (Losses) Included in Net Income	(2)	(5)	(2)	(12)
Total Realized/Unrealized Gains (Losses) Included in OCI		0		0
Purchases	3	0	31	0
Issuances		0		0
Sales		0		0
Settlements		(9)		0
Transfers in to Level 3		1		1
Transfers out of Level 3		(2)		(1)
Fair Value, assets, ending balance	49	22	49	22
Change in Unrealized Gains (Losses) Included in Earnings	(2)	(5)	(2)	(12)
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	0	0	0	0
Other asset-backed securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	33	36	52	33
Total Realized/Unrealized Gains (Losses) Included in Net Income		0		0
Total Realized/Unrealized Gains (Losses) Included in OCI		(2)		(3)
Purchases	2	26	2	29
Issuances		0		0
Sales		0		(10)
Settlements	(1)	(1)	(2)	(2)
Transfers in to Level 3		0		0
Transfers out of Level 3	(2)	(12)	(20)	0
Fair Value, assets, ending balance	32	47	32	47
Change in Unrealized Gains (Losses) Included in Earnings		0		0
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	0	(2)	0	(3)
Fixed maturities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	1,811	1,925	1,782	1,723
Total Realized/Unrealized Gains (Losses) Included in Net Income	(1)	(8)		(31)
Total Realized/Unrealized Gains (Losses) Included in OCI	(24)	(105)	8	(238)
Purchases	37	150	143	259
Issuances		0		0
Sales	(3)	0	(3)	(10)
Settlements	(116)	(59)	(229)	(102)
Transfers in to Level 3	30	1	53	221
Transfers out of Level 3	(2)	(197)	(22)	(115)
Fair Value, assets, ending balance	1,732	1,707	1,732	1,707
Change in Unrealized Gains (Losses) Included in Earnings	(1)	(8)		(15)
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	(23)	(105)	7	(238)
Equity securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance	113	117	117	114
Total Realized/Unrealized Gains (Losses) Included in Net Income	1	(12)	(3)	(16)
Total Realized/Unrealized Gains (Losses) Included in OCI		0		0
Purchases		23		23
Issuances		0		0
Sales		0		0
Settlements		0		0
Transfers in to Level 3		0		0
Transfers out of Level 3		(7)		0
Fair Value, assets, ending balance	114	121	114	121
Change in Unrealized Gains (Losses) Included in Earnings	1	(12)	(4)	(16)
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI	$ 0	0	$ 0	0
Short-term investments and cash equivalents
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, assets, beginning balance		7		0
Total Realized/Unrealized Gains (Losses) Included in Net Income		0		0
Total Realized/Unrealized Gains (Losses) Included in OCI		0		0
Purchases				7
Issuances		0		0
Sales		0		0
Settlements		(7)		(7)
Transfers in to Level 3		0		0
Transfers out of Level 3		0		0
Fair Value, assets, ending balance		0		0
Change in Unrealized Gains (Losses) Included in Earnings		0		0
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI		$ 0		$ 0

Amount of unrealized gain (loss) recognized in other comprehensive income (OCI) from asset (liability) measured at fair value on recurring basis using unobservable input (level 3) and still held.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueAssetLiabilityRecurringBasisStillHeldUnrealizedGainLossOci
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

+ References

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

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

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=vriac_SeparateAccountAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GuaranteedInsuranceContractTypeOfBenefitAxis=vriac_StabilizerInvestmentOnlyAndMcgContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=vriac_U.S.CorporatePublicSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=vriac_U.S.CorporatePrivateSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
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_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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