XML 63 R52.htm IDEA: XBRL DOCUMENT
v3.20.2

Investmenst (Changes In Allowance For Credit Losses On Mortgage Loans On Real Estate) (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) | Jun. 30, 2020 USD ($)
Balance as of beginning-of-year, prior to adoption of ASU 2016-13 | $ 161 | $ 2
Additions from provision for credit loss expense | 4 | 183
Additions from purchases of PCD mortgage loans on real estate |  |
Additions (reductions) for mortgage loans on real estate for which credit losses were previously recognized | 108 |
Balance as of end-of-period | 273 | 273
Changes in economic assumptions increasing provision | 112 | 183
Accrued interest receivable excluded from credit losses | 52 | 52
Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Balance as of end-of-period | 88 | 88
Unfunded Loan Commitment [Member] |  |
Additions (reductions) for mortgage loans on real estate for which credit losses were previously recognized | 1 | 0
Commercial [Member] |  |
Balance as of beginning-of-year, prior to adoption of ASU 2016-13 | 126 |
Additions from provision for credit loss expense | 3 | 174
Additions from purchases of PCD mortgage loans on real estate |  |
Additions (reductions) for mortgage loans on real estate for which credit losses were previously recognized | 107 |
Balance as of end-of-period | 236 | 236
Commercial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Balance as of end-of-period | 62 | 62
Residential [Member] |  |
Balance as of beginning-of-year, prior to adoption of ASU 2016-13 | 35 | 2
Additions from provision for credit loss expense | 1 | 9
Additions from purchases of PCD mortgage loans on real estate |  |
Additions (reductions) for mortgage loans on real estate for which credit losses were previously recognized | 1 |
Balance as of end-of-period | 37 | 37
Residential [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |
Balance as of end-of-period | $ 26 | $ 26

X
- Definition Amount, before allowance for credit loss, of accrued interest on financing receivable. + References No definition available. + Details
Name: | lnc_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing receivable, additions (reductions) on previously recognized provision + References No definition available. + Details
Name: | lnc_FinancingReceivableAdditionsReductionsOnPreviouslyRecognizedProvision
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable, recorded allowance. + References No definition available. + Details
Name: | lnc_ProvisionForLoanLossesExpensedAllowanceRecorded
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense (reversal of expense) for expected credit loss on financing receivable, from change in present value of expected cash flows. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919246-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82919204-210446 + Details
Name: | us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | lnc_CumulativeEffectPeriodOfAdoptionAxis=lnc_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |