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Separate Account Assets and Liabilities - Separate Account Liabilities (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Separate Account, Liability [Roll Forward] |  |
Beginning balance | $ 77,457 | $ 73,962
Premiums and deposits | 766 | 1,488
Policy charges | (817) | (1,642)
Surrenders and other benefits | (3,826) | (6,472)
Investment return | 5,514 | 9,897
Net transfer from (to) general account | 27 | 67
Other charges | (23) | 157
Ending balance | 79,098 | 77,457
Cash surrender value | 77,063 | 75,366
Variable Annuities |  |
Separate Account, Liability [Roll Forward] |  |
Beginning balance | 65,839 | 63,223
Premiums and deposits | 417 | 835
Policy charges | (663) | (1,343)
Surrenders and other benefits | (3,355) | (5,378)
Investment return | 4,640 | 8,477
Net transfer from (to) general account | 15 | 25
Other charges | 0 | 0
Ending balance | 66,893 | 65,839
Cash surrender value | 65,434 | 64,280
Variable Universal Life |  |
Separate Account, Liability [Roll Forward] |  |
Beginning balance | 8,795 | 7,653
Premiums and deposits | 243 | 459
Policy charges | (151) | (292)
Surrenders and other benefits | (203) | (317)
Investment return | 749 | 1,250
Net transfer from (to) general account | 12 | 42
Other charges | 0 | 0
Ending balance | 9,445 | 8,795
Cash surrender value | 8,869 | 8,263
Unitized Pooled Pension Funds |  |
Separate Account, Liability [Roll Forward] |  |
Beginning balance | 2,823 | 3,086
Premiums and deposits | 106 | 194
Policy charges | (3) | (7)
Surrenders and other benefits | (268) | (777)
Investment return | 125 | 170
Net transfer from (to) general account | 0 | 0
Other charges | (23) | 157
Ending balance | 2,760 | 2,823
Cash surrender value | $ 2,760 | $ 2,823

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- Definition Amount of separate account liability payable to policyholder upon surrender of contract before maturity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480109/944-80-50-2 Reference 2: 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 + Details
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