XML 90 R78.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value of Financial Instruments (Fair Value Measured On A Recurring Basis Reconciliation) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value |  | $ 2,324 | $ 389 | $ 1,545 |  | $ 1,799
Items Included in Net Income |  | 177 | 367 | 546 |  | (1,134)
Gains (Losses) in OCI and Other | [1] | 46 | 11 | 270 |  | 245
Issuances, Sales, Maturities, Settlements, Calls, Net |  | (101) | 29 | 45 |  | 256
Transfers In or Out of Level 3, Net | [2] | (7) | 21 | 33 |  | (349)
Ending Fair Value |  | 2,439 | 817 | 2,439 |  | 817
Corporate bonds [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 2,517 | 2,425 | 2,405 |  | 1,993
Items Included in Net Income | [3] | 4 | (1) | 15 |  | (1)
Gains (Losses) in OCI and Other | [1],[3] | 35 | 15 | 153 |  | 79
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | (35) | (74) | (182) |  | 72
Transfers In or Out of Level 3, Net | [2],[3] | 59 | 66 | 189 |  | 288
Ending Fair Value | [3] | 2,580 | 2,431 | 2,580 |  | 2,431
ABS [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 43 | 62 | 33 |  | 45
Items Included in Net Income | [3] |  |  |  |  |
Gains (Losses) in OCI and Other | [1],[3] | (1) |  |  |  | (1)
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] |  |  |  |  | 14
Transfers In or Out of Level 3, Net | [2],[3] | (15) | (27) | (6) |  | (23)
Ending Fair Value | [3] | 27 | 35 | 27 |  | 35
U.S. government bonds [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 5 | 10 |  |  |
Items Included in Net Income | [3] |  |  |  |  |
Gains (Losses) in OCI and Other | [1],[3] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] |  | (2) |  |  | 8
Transfers In or Out of Level 3, Net | [2],[3] |  |  | 5 |  |
Ending Fair Value | [3] | 5 | 8 | 5 |  | 8
Foreign government bonds [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 109 | 112 | 111 |  | 111
Items Included in Net Income | [3] |  |  |  |  |
Gains (Losses) in OCI and Other | [1],[3] | 1 | 1 | (1) |  | 2
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] |  |  |  |  |
Transfers In or Out of Level 3, Net | [2],[3] |  |  |  |  |
Ending Fair Value | [3] | 110 | 113 | 110 |  | 113
RMBS [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 7 | 16 | 3 |  | 1
Items Included in Net Income | [3] |  |  |  |  |
Gains (Losses) in OCI and Other | [1],[3] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | 6 | 51 | 10 |  | 66
Transfers In or Out of Level 3, Net | [2],[3] |  | (13) |  |  | (13)
Ending Fair Value | [3] | 13 | 54 | 13 |  | 54
CMBS [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 21 | 8 | 7 |  | 10
Items Included in Net Income | [3] |  |  |  |  | 2
Gains (Losses) in OCI and Other | [1],[3] |  |  | 1 |  | (1)
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | (1) | 30 | 54 |  | 27
Transfers In or Out of Level 3, Net | [2],[3] | (14) |  | (56) |  |
Ending Fair Value | [3] | 6 | 38 | 6 |  | 38
CLOs [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 28 | 45 | 68 |  | 551
Items Included in Net Income | [3] |  |  |  |  |
Gains (Losses) in OCI and Other | [1],[3] |  | (1) |  |  | 1
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | 15 | 35 | 33 |  | 113
Transfers In or Out of Level 3, Net | [2],[3] | (28) | (5) | (86) |  | (591)
Ending Fair Value | [3] | 15 | 74 | 15 |  | 74
State and municipal bonds [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Items Included in Net Income | [3] |  |  | (1) |  |
Transfers In or Out of Level 3, Net | [2],[3] |  |  | 1 |  |
Hybrid and redeemable preferred securities [Member] | Fixed maturity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 82 | 89 | 76 |  | 94
Items Included in Net Income | [3] |  |  |  |  |
Gains (Losses) in OCI and Other | [1],[3] | 3 | (1) | 14 |  | (6)
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] |  |  |  |  |
Transfers In or Out of Level 3, Net | [2],[3] | (9) |  | (14) |  |
Ending Fair Value | [3] | 76 | 88 | 76 |  | 88
Equity AFS securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 183 | 170 | 177 |  | 164
Items Included in Net Income | [3] |  | 3 | 1 |  | 3
Gains (Losses) in OCI and Other | [1],[3] | (1) | (6) | (2) |  | (4)
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | 9 | (4) | 15 |  |
Transfers In or Out of Level 3, Net | [2],[3] | (1) |  | (1) |  |
Ending Fair Value | [3] | 190 | 163 | 190 |  | 163
Trading securities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 59 | 65 | 65 |  | 73
Items Included in Net Income | [3] |  | 1 | 2 |  | 3
Gains (Losses) in OCI and Other | [1],[3] |  | 4 | 8 |  | 5
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | (10) | 6 | (26) |  | 5
Transfers In or Out of Level 3, Net | [2],[3] | 1 |  | 1 |  | (10)
Ending Fair Value | [3] | 50 | 76 | 50 |  | 76
Derivative investments [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3] | 155 | 423 | (93) |  | 555
Items Included in Net Income | [3] | (13) | (89) | (25) |  | (346)
Gains (Losses) in OCI and Other | [1],[3] | 9 | (1) | 97 |  | 170
Issuances, Sales, Maturities, Settlements, Calls, Net | [3] | (85) | (69) | 87 |  | (115)
Transfers In or Out of Level 3, Net | [2],[3] |  |  |  |  |
Ending Fair Value | [3] | 66 | 264 | 66 |  | 264
Other investments [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [3],[4] |  | 1 |  |  |
Items Included in Net Income | [3],[4] |  |  |  |  | 1
Ending Fair Value | [3],[4] |  | 1 |  |  | 1
GLB direct embedded derivatives [Member] | Other assets [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [5] | 298 |  |  |  |
Items Included in Net Income | [5] | 272 |  | 570 |  |
Gains (Losses) in OCI and Other | [1],[5] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [5] |  |  |  |  |
Transfers In or Out of Level 3, Net | [2],[5] |  |  |  |  |
Ending Fair Value | [5] | 570 |  | 570 |  |
GLB direct embedded derivatives [Member] | Other liabilities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [5] |  | (2,458) | (371) |  | (953)
Items Included in Net Income | [5] |  | 581 | 371 |  | (924)
Ending Fair Value | [5] |  | (1,877) |  |  | (1,877)
GLB ceded embedded derivatives [Member] | Other assets [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [5] | 85 | 539 | 203 |  | 268
Items Included in Net Income | [5] | (32) | (65) | (150) |  | 206
Gains (Losses) in OCI and Other | [1],[5] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [5] |  |  |  |  |
Transfers In or Out of Level 3, Net | [2],[5] |  |  |  |  |
Ending Fair Value | [5] | 53 | 474 | 53 |  | 474
GLB ceded embedded derivatives [Member] | Other liabilities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Items Included in Net Income | [5] | (7) |  | (7) |  |
Gains (Losses) in OCI and Other | [1],[5] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [5] |  |  |  |  |
Transfers In or Out of Level 3, Net | [2],[5] |  |  |  |  |
Ending Fair Value | [5] | (7) |  | (7) |  |
Indexed annuity and embedded derivatives [Member] | Other assets [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Items Included in Net Income |  |  |  |  |  |
Gains (Losses) in OCI and Other | [1] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net |  | 3 |  | 3 | [5] |
Transfers In or Out of Level 3, Net | [2] |  |  |  |  |
Ending Fair Value | [5] | 3 |  | 3 |  |
Indexed annuity and embedded derivatives [Member] | Future contract benefits [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [5] | (1,268) | (1,102) | (1,139) |  | (1,100)
Items Included in Net Income | [5] | (47) | (64) | (230) |  | (76)
Gains (Losses) in OCI and Other | [1],[5] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [5] | (3) | 41 | 51 |  | 51
Transfers In or Out of Level 3, Net | [2],[5] |  |  |  |  |
Ending Fair Value | [5] | $ (1,318) | (1,125) | $ (1,318) |  | (1,125)
VIEs' liabilities - derivative instruments [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [5] |  |  |  |  | (4)
Items Included in Net Income | [5] |  |  |  |  | 4
Credit default swaps [Member] | Other liabilities [Member] |  |  |  |  |  |
Level 3 Unobservable Input Reconciliation |  |  |  |  |  |
Beginning Fair Value | [4] |  | (16) |  |  | (9)
Items Included in Net Income | [4] |  | 1 |  |  | (6)
Gains (Losses) in OCI and Other | [1],[4] |  |  |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | [4] |  | 15 |  |  | 15
Transfers In or Out of Level 3, Net | [2],[4] |  |  |  |  |
Ending Fair Value | [4] |  |  |  |  |
[1] | The changes in fair value of the interest rate swaps are offset by an adjustment to derivative investments (see Note 5).
[2] | Transfers into or out of Level 3 for AFS and trading securities are displayed at amortized cost as of the beginning-of-period. For AFS and trading securities, the difference between beginning-of-period amortized cost and beginning-of-period fair value was included in OCI and earnings, respectively, in the prior period.
[3] | Amortization and accretion of premiums and discounts are included in net investment income on our Consolidated Statements of Comprehensive Income (Loss). Gains (losses) from sales, maturities, settlements and calls and OTTI are included in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).
[4] | The changes in fair value of the credit default swaps and contingency forwards are included in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).
[5] | Gains (losses) from sales, maturities, settlements and calls are included in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).

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

X
- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
Name: | us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfers of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) into (out of) level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
Name: | us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
Name: | us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FixedMaturitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_OtherInvestmentsMember
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: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_OtherAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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