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v3.22.1

Guaranteed Benefit Features (Narrative) (Details) | Mar. 31, 2022 | Dec. 31, 2021
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Guaranteed Benefit Features [Abstract] |  |
Percent of permanent life insurance in force | 39.00% | 39.00%

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- Definition Guaranteed Benefit Features [Abstract] + References No definition available. + Details
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Namespace Prefix: | lnc_
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- Definition Universal life and variable universal life products with secondary guarantees in force as a percentage of total permanent life insurance in force. + References No definition available. + Details
Name: | lnc_PercentOfPermanentLifeInsuranceInForce
Namespace Prefix: | lnc_
Data Type: | dtr-types:percentItemType
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