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v3.24.2.u1

DAC, VOBA, DSI, and DFEL - DFEL (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Changes in DFEL [Roll Forward] |  |  |  |  |
Balance as of beginning-of-year |  |  | $ 5,901 |  |
Amortization | $ (77) | $ (71) | (151) | $ (140) |
Balance as of end-of-period | 6,306 |  | 6,306 |  |
UL and Other |  |  |  |  |
Changes in DFEL [Roll Forward] |  |  |  |  |
Balance as of beginning-of-year |  |  | 5,579 | 4,766 |
Deferrals |  |  | 544 | 528 |
Amortization |  |  | (139) | (126) |
Balance as of end-of-period | 5,984 | 5,168 | 5,984 | 5,168 |
Less: ceded DFEL | 257 | 0 | 257 | 0 | $ 257
Balance as of end-of-period, net of reinsurance | 5,727 | 5,168 | 5,727 | 5,168 |
Variable Annuities |  |  |  |  |
Changes in DFEL [Roll Forward] |  |  |  |  |
Balance as of beginning-of-year |  |  | 278 | 286 |
Deferrals |  |  | 9 | 10 |
Amortization |  |  | (12) | (14) |
Balance as of end-of-period | 275 | 282 | 275 | 282 |
Less: ceded DFEL | 0 | 0 | 0 | 0 |
Balance as of end-of-period, net of reinsurance | $ 275 | $ 282 | $ 275 | $ 282 |

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- Definition Ceded Deferred Front End Loads + References No definition available. + Details
Name: | lnc_CededDeferredFrontEndLoads
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The unamortized carrying amount of deferred front end loads as of the balance sheet date. + References No definition available. + Details
Name: | lnc_DeferredFrontEndLoads
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of deferred front end loads capitalized during the period. + References No definition available. + Details
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Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of other amortization of deferred front end loads, net of interest, during the period. + References No definition available. + Details
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Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Deferred Front End Loads, Net + References No definition available. + Details
Name: | lnc_DeferredFrontEndLoadsNet
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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Namespace Prefix: | lnc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=us-gaap_VariableAnnuityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |