XML 98 R86.htm IDEA: XBRL DOCUMENT
v3.19.1

Fair Value of Financial Instruments (Changes In Unrealized Gains (Losses) Within Level 3 Financial Instruments Carried At Fair Value And Still Held) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held |  |  |
Change in unrealized gains (losses) included in net income | [1] | $ 162 | $ 653
Derivative Investments [Member] | Realized Gain (Loss) [Member] |  |  |
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held |  |  |
Change in unrealized gains (losses) included in net income |  | (287) | 281
Indexed Annuity And IUL Contracts [Member] | Realized Gain (Loss) [Member] |  |  |
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held |  |  |
Change in unrealized gains (losses) included in net income |  | (32) | (4)
GLB Embedded Derivatives [Member] | Realized Gain (Loss) [Member] |  |  |
Changes in unrealized gains (losses) within Level 3 financial instruments carried at fair value and still held |  |  |
Change in unrealized gains (losses) included in net income |  | $ 481 | $ 376
[1] | Included in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).

X
- References No definition available. + Details
Name: | lnc_ChangesInUnrealizedGainsLossesWithinLevel3FinancialInstrumentsCarriedAtFairValueAndStillHeldAbstract
Namespace Prefix: | lnc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DerivativeFinancialInstrumentsAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=lnc_RealizedGainLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=lnc_IndexedAnnuityContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=lnc_GuaranteedLivingBenefitsEmbeddedDerivativeReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |