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ASU 2018-12 Transition BS (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Total assets | $ 230,002 | $ 224,847 |  | $ 262,257
Future policy benefits | 32,286 | 31,497 |  | 39,990
Policyholder Contract Deposit | 76,120 | 73,527 |  | 65,249
Market risk benefit liabilities | 10,729 | 10,389 |  | 16,034
Total liabilities | 224,183 | 219,249 |  | 253,807
Retained earnings (deficit) | (894) | (395) |  | (4,274)
Accumulated other comprehensive income (loss) | (5,288) | (6,106) | $ (2,541) | 47
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest | 5,819 | 5,598 | $ 7,288 | 8,450
Liabilities and Equity | $ 230,002 | 224,847 |  | 262,257
Previously Reported |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Total assets |  | 225,580 |  | 259,840
Future policy benefits |  | 41,569 |  | 43,807
Policyholder Contract Deposit |  | 74,836 |  | 66,851
Market risk benefit liabilities |  | 0 |  | 0
Total liabilities |  | 219,542 |  | 243,633
Retained earnings (deficit) |  | (637) |  | (642)
Accumulated other comprehensive income (loss) |  | (5,424) |  | 4,172
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  | 6,038 |  | 16,207
Liabilities and Equity |  | 225,580 |  | 259,840
Revision of Prior Period, Accounting Standards Update, Adjustment | Accounting Standards Update 2018-12 |  |  |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |  |  |
Total assets |  | (733) |  | 2,417
Future policy benefits |  | (10,072) |  | (3,817)
Policyholder Contract Deposit |  | (1,309) |  | (1,602)
Market risk benefit liabilities |  | 10,389 |  | 16,034
Total liabilities |  | (293) |  | 10,174
Retained earnings (deficit) |  | 242 |  | (3,632)
Accumulated other comprehensive income (loss) |  | (682) |  | (4,125)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  | (440) |  | (7,757)
Liabilities and Equity |  | $ (733) |  | $ 2,417

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