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Derivative Instruments (Schedule Of Collateral Amounts With Rights To Reclaim Or Obligation To Return Cash) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Credit Derivatives [Line Items] |  |
Collateral Posted by Counter-Party (Held by LNC) | $ 4,605 | $ 3,273
Collateral Posted by LNC (Held by Counter-Party) | (311) | (172)
AA- [Member] |  |
Credit Derivatives [Line Items] |  |
Collateral Posted by Counter-Party (Held by LNC) | 980 | 383
Collateral Posted by LNC (Held by Counter-Party) | (12) | (6)
A+ [Member] |  |
Credit Derivatives [Line Items] |  |
Collateral Posted by Counter-Party (Held by LNC) | 3,512 | 1,718
Collateral Posted by LNC (Held by Counter-Party) | (258) | (166)
A [Member] |  |
Credit Derivatives [Line Items] |  |
Collateral Posted by Counter-Party (Held by LNC) | 113 | 1,172
Collateral Posted by LNC (Held by Counter-Party) | $ (41) |

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