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Contractholder Funds -Summary of Balances and Changes in Contractholder Funds (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Policyholder Account Balance [Roll Forward] |  |  |  |
Balance, beginning of year | $ 40,843 |  |  |
Balance, end of year | 43,379 |  | $ 40,843 |
Change in fair value of other derivatives and embedded derivatives | 2 | $ (3) |  |
Gross Liability, end of period | 43,379 |  | 40,843 | $ 34,753
FIA |  |  |  |
Policyholder Account Balance [Roll Forward] |  |  |  |
Balance, beginning of year | 24,766 | 21,997 | 21,997 | 18,703
Issuances | 1,186 |  | 4,462 | 4,400
Premiums received | 25 |  | 106 | 103
Policy charge | (42) |  | (166) | (148)
Surrenders and withdrawals | (403) |  | (1,322) | (1,303)
Benefit payments | (121) |  | (485) | (440)
Interest credited | 21 |  | 198 | 686
Other | 23 |  | (24) | (4)
Balance, end of year | 25,455 |  | 24,766 | 21,997
Change in fair value of other derivatives and embedded derivatives | (12) |  | (343) | 603
Gross Liability, end of period | 25,443 |  | 24,423 | 22,600
Less: Reinsurance | (17) |  | (17) | (17)
Net Liability, after Reinsurance | $ 25,426 |  | $ 24,406 | $ 22,583
Weighted-average crediting rate | 0.33% |  | 0.85% | 3.43%
Cash surrender value | $ 23,726 |  | $ 188 | $ 20,455
Fixed Rate Annuities |  |  |  |
Policyholder Account Balance [Roll Forward] |  |  |  |
Balance, beginning of year | 9,358 | 6,367 | 6,367 | 5,142
Issuances | 1,522 |  | 3,758 | 1,743
Premiums received | 1 |  | 3 | 3
Policy charge | 0 |  | (1) | (1)
Surrenders and withdrawals | (257) |  | (797) | (543)
Benefit payments | (59) |  | (192) | (145)
Interest credited | 81 |  | 220 | 167
Other | (1) |  | 0 | 1
Balance, end of year | 10,645 |  | 9,358 | 6,367
Change in fair value of other derivatives and embedded derivatives | 0 |  | 0 | 0
Gross Liability, end of period | 10,645 |  | 9,358 | 6,367
Less: Reinsurance | (4,691) |  | (3,723) | (1,692)
Net Liability, after Reinsurance | $ 5,954 |  | $ 5,635 | $ 4,675
Weighted-average crediting rate | 0.00% |  | 0.00% | 0.00%
Cash surrender value | $ 9,929 |  | $ 5,992 | $ 5,992
Universal Life |  |  |  |
Policyholder Account Balance [Roll Forward] |  |  |  |
Balance, beginning of year | 2,112 | 1,907 | 1,907 | 1,696
Issuances | 49 |  | 167 | 114
Premiums received | 87 |  | 295 | 233
Policy charge | (60) |  | (209) | (167)
Surrenders and withdrawals | (21) |  | (74) | (68)
Benefit payments | (10) |  | (22) | (19)
Interest credited | 5 |  | 48 | 118
Other | 0 |  | 0 | 0
Balance, end of year | 2,162 |  | 2,112 | 1,907
Change in fair value of other derivatives and embedded derivatives | 45 |  | 15 | 74
Gross Liability, end of period | 2,207 |  | 2,127 | 1,981
Less: Reinsurance | (933) |  | (947) | (984)
Net Liability, after Reinsurance | $ 1,274 |  | $ 1,180 | $ 997
Weighted-average crediting rate | 1.00% |  | 2.39% | 6.77%
Net amount at risk | $ 49,426 |  | $ 53,348 | $ 41,326
Cash surrender value | 1,724 |  | 1,698 | 1,572
Funding Agreements, FABN |  |  |  |
Policyholder Account Balance [Roll Forward] |  |  |  |
Balance, beginning of year | 2,613 | 1,904 | 1,904 | 0
Issuances | 0 |  | 700 | 1,899
Premiums received | 0 |  | 0 | 0
Policy charge | 0 |  | 0 | 0
Surrenders and withdrawals | 0 |  | 0 | 0
Benefit payments | (15) |  | (35) | (7)
Interest credited | 13 |  | 45 | 12
Other | 0 |  | (1) | 0
Balance, end of year | 2,611 |  | 2,613 | 1,904
Change in fair value of other derivatives and embedded derivatives | 0 |  | 0 | 0
Gross Liability, end of period | 2,611 |  | 2,613 | 1,904
Less: Reinsurance | 0 |  | 0 | 0
Net Liability, after Reinsurance | 2,611 |  | 2,613 | 1,904
Federal Home Loan Bank Funding Agreements |  |  |  |
Policyholder Account Balance [Roll Forward] |  |  |  |
Balance, beginning of year | 1,982 | $ 1,543 | 1,543 | 1,203
Issuances | 256 |  | 1,192 | 759
Premiums received | 0 |  | 0 | 0
Policy charge | 0 |  | 0 | 0
Surrenders and withdrawals | 0 |  | 0 | 0
Benefit payments | (110) |  | (789) | (447)
Interest credited | 11 |  | 36 | 30
Other | 0 |  | 0 | (2)
Balance, end of year | 2,139 |  | 1,982 | 1,543
Change in fair value of other derivatives and embedded derivatives | 0 |  | 0 | 0
Gross Liability, end of period | 2,139 |  | 1,982 | 1,543
Less: Reinsurance | 0 |  | 0 | 0
Net Liability, after Reinsurance | $ 2,139 |  | $ 1,982 | $ 1,543

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