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DAC, VOBA, DSI, and DFEL - Reconciliation of DAC, VOBA and DSI (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
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Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | $ 12,405 | $ 12,397
Traditional Life |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 1,411 | 1,418
UL and Other |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 6,246 | 6,232
Group Protection |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 157 | 154
Retirement Plan Services |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 273 | 265
Variable Annuities |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | 3,871 | 3,873
Fixed Annuities |  |
Deferred Policy Acquisition Cost [Line Items] |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements | $ 447 | $ 455

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