XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.20.2

Investments (Schedule Of Increase (Decrease) In Payables For Collateral On Investments) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Increase (decrease) in payables for collateral on investments |  |
Collateral payable for derivative investments | $ 1,786 | $ 1,051
Securities pledged under securities lending agreements | 17 | 19
Securities pledged under repurchase agreements |  | 3
Investments pledged for FHLBI | (450) | (350)
Total increase (decrease) in payables for collateral on investments | $ 1,353 | $ 723

X
- Definition The net change during the reporting period in the amount of cash that is received related to collateral payable held for derivative instruments. + References No definition available. + Details
Name: | lnc_IncreaseDecreaseInCashCollateralForDerivativeInvestments
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net change during the reporting period in the amount of cash that is received related to securities pledged under reverse repurchase agreements + References No definition available. + Details
Name: | lnc_IncreaseDecreaseInCashCollateralForReverseRepurchaseAgreements
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net change during the reporting period in the amount of cash that is received related to securities pledged under securities lending agreements. + References No definition available. + Details
Name: | lnc_IncreaseDecreaseInCashCollateralForSecuritiesLendingAgreements
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net change during the reporting period in the amount of cash that is received related to securities pledged for Federal Home Loan Bank of Indianapolis. + References No definition available. + Details
Name: | lnc_IncreaseDecreaseInCashCollateralForSecuritiesPledgedForFhlbi
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in the amount that is received as security when loaning securities. + References No definition available. + Details
Name: | lnc_IncreaseDecreaseInCollateralForLoanedSecurities
Namespace Prefix: | lnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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