Label	Element	Value
Debt-to-Value Ratio, 80 to 100 Percent [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 54,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 50,000,000
Loans Receivable, Loan to Value Ratio, Minimum	vriac_LoansReceivableLoanToValueRatioMinimum	80.00%
Loans Receivable, Loan to Value Ratio, Minimum	vriac_LoansReceivableLoanToValueRatioMinimum	80.00%
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	1.10%
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	1.10%
Loans Receivable, Loan to Value Ratio, Range Three [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 2,552,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 2,961,000,000
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	54.70%
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	60.20%
Loans Receivable, Loan to Value Ratio, Range Two [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 1,173,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 1,184,000,000
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	24.10%
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	25.20%
Loans Receivable, Loan to Value Ratio, Range Four [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 509,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 389,000,000
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	10.90%
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	7.90%
Loans Receivable, Loan to Value Ratio, Range One [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 380,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 331,000,000
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	8.10%
Loans, Loan-to-value ratio, Percent of total Loans	vriac_LoansLoantovalueratioPercentoftotalLoans	6.70%
Commercial Loan [Member] | Debt-to-Value Ratio, 80 to 100 Percent [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	$ 0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	21,000,000
Commercial Loan [Member] | Loans Receivable, Loan to Value Ratio, Range Three [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	26,000,000
Commercial Loan [Member] | Loans Receivable, Loan to Value Ratio, Range Two [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Commercial Loan [Member] | Loans Receivable, Loan to Value Ratio, Range Four [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	4,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Commercial Loan [Member] | Loans Receivable, Loan to Value Ratio, Range One [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Loans Receivable, Debt Service Coverage Ratio, Range Three [Member] | Debt-to-Value Ratio, 80 to 100 Percent [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	10,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Three [Member] | Loans Receivable, Loan to Value Ratio, Range Three [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	503,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	253,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Three [Member] | Loans Receivable, Loan to Value Ratio, Range Two [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	10,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	11,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Three [Member] | Loans Receivable, Loan to Value Ratio, Range Four [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	74,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	66,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Three [Member] | Loans Receivable, Loan to Value Ratio, Range One [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	9,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	23,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Four [Member] | Debt-to-Value Ratio, 80 to 100 Percent [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	6,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Four [Member] | Loans Receivable, Loan to Value Ratio, Range Three [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	34,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	93,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Four [Member] | Loans Receivable, Loan to Value Ratio, Range Two [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	28,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Four [Member] | Loans Receivable, Loan to Value Ratio, Range Four [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	69,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	19,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Four [Member] | Loans Receivable, Loan to Value Ratio, Range One [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	0
Loans Receivable, Debt Service Coverage Ratio, Range Two [Member] | Debt-to-Value Ratio, 80 to 100 Percent [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	14,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	5,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Two [Member] | Loans Receivable, Loan to Value Ratio, Range Three [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	432,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	328,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Two [Member] | Loans Receivable, Loan to Value Ratio, Range Two [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	45,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	40,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Two [Member] | Loans Receivable, Loan to Value Ratio, Range Four [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	87,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	84,000,000
Loans Receivable, Debt Service Coverage Ratio, Range Two [Member] | Loans Receivable, Loan to Value Ratio, Range One [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	24,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	12,000,000
Loans Receivable, Debt Service Coverage Ratio, Range One [Member] | Debt-to-Value Ratio, 80 to 100 Percent [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	30,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	18,000,000
Loans Receivable, Debt Service Coverage Ratio, Range One [Member] | Loans Receivable, Loan to Value Ratio, Range Three [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	2,070,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	1,774,000,000
Loans Receivable, Debt Service Coverage Ratio, Range One [Member] | Loans Receivable, Loan to Value Ratio, Range Two [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	1,133,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	1,090,000,000
Loans Receivable, Debt Service Coverage Ratio, Range One [Member] | Loans Receivable, Loan to Value Ratio, Range Four [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	213,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	282,000,000
Loans Receivable, Debt Service Coverage Ratio, Range One [Member] | Loans Receivable, Loan to Value Ratio, Range One [Member]
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	284,000,000
Financing Receivable, before Allowance for Credit Loss	us-gaap_NotesReceivableGross	359,000,000
Accounting Standards Update 2014-09 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0
Accounting Standards Update 2014-09 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0
Accounting Standards Update 2016-01 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0
Accounting Standards Update 2016-01 [Member] | Common Stock [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 0