Name:	rsl_AllowanceForLoanAndLeaseLossesInResidentialMortgageLoans
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the cash inflow (outflow) associated with the net change in residential mortgage loans.

No definition available.

Name:	rsl_ChangeInResidentialMortgageLoansNet
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the gross amount of commercial mortgage loans as a percentage of the total gross value.

No definition available.

Name:	rsl_PercentageOfCommercialMortgageLoan
Namespace Prefix:	rsl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of financing receivable with highest risk rating.

No definition available.

Name:	rsl_PercentageOfFinancingReceivableWithHighestRiskRating
Namespace Prefix:	rsl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of total loan portfolio represented by California State.

No definition available.

Name:	rsl_PercentageOfLoanPortfolioRepresentedByCaliforniaState
Namespace Prefix:	rsl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of residential mortgage loans which are above specified Loan-To-Value ratios.

No definition available.

Name:	rsl_PercentageOfResidentialMortgageLoansAboveSpecifiedLTVRatios
Namespace Prefix:	rsl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the percentage of residential mortgage loans which are below specified FICO score.

No definition available.

Name:	rsl_PercentageOfResidentialMortgageLoansBelowSpecifiedFICOScore
Namespace Prefix:	rsl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Represents the maximum specified FICO score used for analysis of credit worthiness of borrowers.

No definition available.

Name:	rsl_SpecificFICOScore
Namespace Prefix:	rsl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the minimum specified Loan-To-Value ratio used for analysis of collateral characteristics.

No definition available.

Name:	rsl_SpecifiedLTVRatios
Namespace Prefix:	rsl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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

A valuation allowance for financing receivables that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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

Financing receivables that are equal to or greater than 90 days past due.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953401-111524

Name:	us-gaap_FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 3

-Article 9

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

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5