XML 105 R94.htm IDEA: XBRL DOCUMENT
v3.20.2

Segment Information (Reconciliation Of Revenue From Segments To Consolidated) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | $ 3,517 | $ 4,310 | $ 7,942 | $ 8,275
Annuities Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 1,037 | 1,156 | 2,166 | 2,330
Retirement Plan Services Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 282 | 299 | 579 | 592
Life Insurance Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 1,639 | 1,802 | 3,460 | 3,502
Group Protection Segment [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 1,199 | 1,155 | 2,424 | 2,293
Other Operations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 52 | 58 | 90 | 116
Segment Reconciling Items [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Excluded realized gain (loss), pre-tax | (694) | (161) | (770) | (562)
Amortization of DFEL associated with benefit ratio unlocking, pre-tax | $ 2 | $ 1 | $ (7) | $ 4

X
- Definition Amount of amortization expense for deferred front-end loads associated with benefit ratio unlocking. + References No definition available. + Details
Name: | lnc_AmortizationOfDfelAssociatedWithBenefitRatioUnlocking
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of realized gain loss not pertaining to operations. + References No definition available. + Details
Name: | lnc_ExcludedRealizedGainLossPreTax
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lnc_AnnuitiesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lnc_RetirementPlanServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lnc_LifeSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lnc_GroupProtectionSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=lnc_OtherOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_MaterialReconcilingItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |