XML 46 R61.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Variable Interest Entities (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Variable Interest Entity [Line Items] |  |
Gains (losses) for consolidated variable interest entities | $ 0 | $ 0
Outstanding Principal Balance of Surplus Note Issued By LRCVV And Held By LFLLCI | 613 |
Long-Term Senior Note Issued In Exchange For Corporate Bond Afs Security | 275 |
Outstanding Principal Balance of Long-Term Senior Note Issued In Exchange For Corporate Bond AFS Security | 925 |
Maxiumum Principal Balance of Long Term Senior Note Issued In Exchange For Corporate Bond AFS Security | 1,100 |
Carrying amount of other investments | 2,994 | 2,267
Limited Partnerships and Limited Liability Companies [Member] |  |
Variable Interest Entity [Line Items] |  |
Carrying amount of other investments | 1,900 | 1,700
Carrying Amount Of Investments In Qualified Affordable Housing Projects | 13 | 20
Income Tax Credits And Other Tax Benefits From Qualified Affordable Housing Projects | 2 | $ 1
Non-Affiliated VIE [Member] |  |
Variable Interest Entity [Line Items] |  |
Surplus notes | 0 |
Maximum exposure to loss related to unconsolidated VIE's | 0 |
Non-Affiliated VIE, Two [Member] |  |
Variable Interest Entity [Line Items] |  |
Outstanding Principal Balance of Long-Term Senior Note Issued In Exchange For Corporate Bond AFS Security | 352 |
Maxiumum Principal Balance of Long Term Senior Note Issued In Exchange For Corporate Bond AFS Security | $ 500 |

X
- Definition The carrying amount of our investments in qualified affordable housing projects which are recognized in other investments on our Consolidated Balance Sheets. + References No definition available. + Details
Name: | lnc_CarryingAmountOfInvestmentsInQualifiedAffordableHousingProjects
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term senior note issued in exchange for a corporate bond AFS security from a non-affiliated VIE whose primary activities are to acquire, hold, and issue notes and loans, as well as pay and collect interest on the notes and loans. + References No definition available. + Details
Name: | lnc_LongTermSeniorNoteIssuedInExchangeForCorporateBondAfsSecurity
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The outstanding principal balance is variable in nature; moving concurrently with any variability in the face amount of the corporate bond AFS security up to this maximum amount. + References No definition available. + Details
Name: | lnc_MaxiumumPrincipalBalanceOfLongTermSeniorNoteIssuedInExchangeForCorporateBondAfsSecurity
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of principal balance outstanding of long-term senior note issued in exchange for a corporate bond AFS security from a non-affiliated VIE whose primary activities are to acquire, hold, and issue notes and loans, as well as pay and collect interest on the notes and loans. + References No definition available. + Details
Name: | lnc_OutstandingPrincipalBalanceOfLongTermSeniorNoteIssuedInExchangeForCorporateBondAfsSecurity
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of principal balance outstanding of the suplus note held by LFLLCI and issued by LRCVV. + References No definition available. + Details
Name: | lnc_OutstandingPrincipalBalanceOfSurplusNoteIssuedByLrcvvAndHeldByLfllci
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of net gains and losses recognized in income during the period on derivative instruments not designated and not qualifying as hedging instruments associated with consolidated variable interest entities. + References No definition available. + Details
Name: | lnc_SettlementPaymentsMarkToMarketAdjustmentsVariableInterestEntity
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of affordable housing tax credits and other tax benefits recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
Name: | us-gaap_AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f,g)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financial instruments issued by insurance entities (surplus notes) that are includable in surplus for statutory accounting purposes as prescribed or permitted by state laws and regulations that are liabilities of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486086&loc=d3e24387-158525 + Details
Name: | us-gaap_SurplusNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685 + Details
Name: | us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lnc_LimitedPartnershipsAndLimitedLiabilityCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=lnc_NonAffiliatedVieOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=lnc_NonAffiliatedVieTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |