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Adoption of ASU 2018-12 (Summary of Restated Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2020
--- | --- | --- | --- | ---
Deferred acquisition costs, value of business acquired and deferred sales inducements | $ 12,316 | $ 12,235 |  |
Reinsurance recoverables, net of allowance for credit losses | 19,030 | 19,443 |  |
MRB assets | 3,906 | 2,807 |  |
Other assets | 19,456 | 18,802 |  |
Total assets | 348,612 | 334,217 |  |
Policyholder account balances | 117,598 | 114,435 |  |
Future contract benefits |  | 38,826 |  |
MRB liabilities | 1,548 | 2,078 |  |
Deferred front-end loads | 5,450 | 5,052 |  |
Other liabilities | 11,724 | 12,021 |  |
Total liabilities | 342,793 | 329,115 |  |
Retained earnings | 5,362 | 5,924 |  |
Accumulated other comprehensive income (loss) | (5,104) | (6,352) |  |
Total stockholders' equity | 5,819 | 5,102 | $ 9,331 |
Accounting Standards Update 2018-12 [Member] |  |  |  |
Reinsurance recoverables, net of allowance for credit losses | 3,038 |  |  | $ 19,388
Other assets | 242 |  |  |
Future contract benefits | (3,932) |  |  | 42,828
Deferred front-end loads | (3,190) |  |  | 3,591
Other liabilities | $ 417 |  |  |
Total stockholders' equity |  |  | 9,331 |
Accounting Standards Update 2018-12 [Member] | As Previously Reported [Member] |  |  |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements |  | 13,803 |  |
Reinsurance recoverables, net of allowance for credit losses |  | 19,882 |  | 16,350
Other assets |  | 20,493 |  |
Total assets |  | 335,108 |  |
Future contract benefits |  | 41,756 |  | 38,896
Deferred front-end loads |  | 5,669 |  | $ 401
Other liabilities |  | 11,976 |  |
Total liabilities |  | 330,539 |  |
Retained earnings |  | 6,707 |  |
Accumulated other comprehensive income (loss) |  | (7,668) |  |
Total stockholders' equity |  | 4,569 | 9,654 |
Accounting Standards Update 2018-12 [Member] | Restatement Impacts [Member] |  |  |  |
Deferred acquisition costs, value of business acquired and deferred sales inducements |  | (1,568) |  |
Reinsurance recoverables, net of allowance for credit losses |  | (439) |  |
MRB assets |  | 2,807 |  |
Other assets |  | (1,691) |  |
Total assets |  | (891) |  |
Future contract benefits |  | (2,930) |  |
MRB liabilities |  | 2,078 |  |
Deferred front-end loads |  | (617) |  |
Other liabilities |  | 45 |  |
Total liabilities |  | (1,424) |  |
Retained earnings |  | (783) |  |
Accumulated other comprehensive income (loss) |  | 1,316 |  |
Total stockholders' equity |  | $ 533 | $ (323) |

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