XML 130 R117.htm IDEA: XBRL DOCUMENT
v3.24.3

Shares and Stockholders’ Equity - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Stockholders' Equity Note [Abstract] |  |  |  |
Deferred compensation plan mark to market adjustment | $ 1 | $ 1 | $ (3) | $ 2

X
- Definition Mark to market adjustments of the entity's stock associated with non-employee directors' deferred compensation plans. + References No definition available. + Details
Name: | lnc_DeferredCompensationPlanMarkToMarketAdjustment
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration