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v3.23.2

Reinsurance (Narrative) (Details) $ in Billions | May 02, 2023 USD ($)
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Fortitude Re [Member] |
Ceded Credit Risk [Line Items] |
Ceded Premiums Payable | $ 28

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- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 825 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147479383/944-825-50-1B + Details
Name: | us-gaap_CededCreditRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The consideration due to the assuming enterprise as of the balance sheet date under the terms of the reinsurance contract in exchange for the right to receive reimbursement from such entity for covered claims and expenses. + References No definition available. + Details
Name: | us-gaap_CededPremiumsPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_CededCreditRiskAxis=lnc_FortitudeReMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |