Name:	rsl_DerivativeCollateralRightToReclaimSecurities
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The fair value of derivative liabilities, net of master netting arrangements and collateral.

No definition available.

Name:	rsl_DerivativeFairValueOfDerivativeLiabilityAfterApplicationOfMasterNettingAgreementsAndCashAndSecuritiesCollateral
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	rsl_DerivativeFairValueOfDerivativeLiabilityGrossAmountsNotOffsetAbstract
Namespace Prefix:	rsl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of derivative liabilities that could be offset by derivative assets subject to a master netting arrangement but management elects not to offset.

No definition available.

Name:	rsl_DerivativeLiabilityNotOffsetFinancialInstruments
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities and securities sold under agreements to repurchase.

No definition available.

Name:	rsl_DerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities and securities sold under agreements to repurchase.

No definition available.

Name:	rsl_DerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount, before effects of master netting arrangements, of derivative liabilities and securities sold under agreements to repurchase.

No definition available.

Name:	rsl_DerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseGross
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	rsl_DerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseGrossAmountsNotOffsetAbstract
Namespace Prefix:	rsl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The fair value of derivative liabilities and securities sold under agreements to repurchase, net of master netting arrangements and collateral.

No definition available.

Name:	rsl_DerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseNet
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of derivative liabilities and securities sold under agreements to repurchase that could be offset by assets subject to a master netting arrangements but management elects not to offset.

No definition available.

Name:	rsl_DerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseNotOffsetFinancialInstruments
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	rsl_OffsettingDerivativeLiabilitiesAbstract
Namespace Prefix:	rsl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	rsl_OffsettingDerivativeLiabilitySecuritiesSoldUnderAgreementsToRepurchaseAbstract
Namespace Prefix:	rsl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	rsl_OffsettingSecuritiesSoldUnderAgreementsToRepurchaseAbstract
Namespace Prefix:	rsl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.

No definition available.

Name:	rsl_SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price.

No definition available.

Name:	rsl_SecuritiesSoldUnderAgreementsToRepurchaseGross
Namespace Prefix:	rsl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	rsl_SecuritiesSoldUnderAgreementsToRepurchaseGrossAmountsNotOffsetAbstract
Namespace Prefix:	rsl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of the right to reclaim cash collateral under master netting arrangements that have not been offset against net derivative instrument positions.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959

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

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 205G

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44C

-Subparagraph a

-Clause 1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959