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v3.23.1

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

X
- 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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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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