XML 100 R86.htm IDEA: XBRL DOCUMENT
v3.25.2

Separate Accounts - Summary of Balances and Changes in Separate Account Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Fair Value, Separate Account Investment [Line Items] |  |  |  |
Separate account liabilities | $ 172,942 | $ 168,438 |  |
Reinsurance Agreement | Protective |  |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |  |
Separate account liabilities | 50 | 49 |  |
Variable Annuities |  |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |  |
Separate account liabilities | 120,045 | 117,998 | $ 116,770 | $ 113,356
UL and Other |  |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |  |
Separate account liabilities | 30,616 | 28,841 | 27,381 | 25,150
Retirement Plan Services |  |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |  |
Separate account liabilities | 22,220 | 21,541 | $ 20,993 | $ 19,699
Other |  |  |  |
Fair Value, Separate Account Investment [Line Items] |  |  |  |
Separate account liabilities | $ 61 | $ 58 |  |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480109/944-80-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479808/944-20-55-15 + Details
Name: | us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480141/944-80-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480109/944-80-50-2 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-18 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480109/944-80-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480141/944-80-45-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(18)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_SeparateAccountsLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_SeparateAccountAssetCategoryAxis=lnc_ReinsuranceAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CededCreditRiskAxis=lnc_ProtectiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_ProductOrServiceAxis=lnc_ULAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=lnc_RetirementPlanServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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