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Policyholder Account Balances - Summary of Policyholder Account Balances by Ranges (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 122,300 | $ 120,737 |  |
Variable Annuities |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 31,408 | 29,141 | $ 23,771 | $ 22,184
Variable Annuities | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,893 |  | 2,151 |
Variable Annuities | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 6 |  | $ 8 |
Variable Annuities | Up to 1.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.00% |  | 1.00% |
Policyholder account balances | $ 0 |  | $ 0 |
Variable Annuities | Up to 1.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Up to 1.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Up to 1.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Up to 1.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Up to 1.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 11 |  | 12 |
Variable Annuities | 1.01% - 2.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 5 |  | 4 |
Variable Annuities | 1.01% - 2.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 1.01% - 2.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 1.01% - 2.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 1.01% - 2.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 6 |  | 8 |
Variable Annuities | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 560 |  | 634 |
Variable Annuities | 2.01% - 3.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 560 |  | 634 |
Variable Annuities | 2.01% - 3.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 2.01% - 3.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 2.01% - 3.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 2.01% - 3.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,319 |  | 1,503 |
Variable Annuities | 3.01% - 4.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,319 |  | 1,503 |
Variable Annuities | 3.01% - 4.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 3.01% - 4.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 3.01% - 4.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 3.01% - 4.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
Variable Annuities | 4.01% and above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.01% |  | 4.01% |
Policyholder account balances | $ 9 |  | $ 10 |
Variable Annuities | 4.01% and above | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 9 |  | 10 |
Variable Annuities | 4.01% and above | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 4.01% and above | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 4.01% and above | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | 4.01% and above | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Other |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 29,509 |  | 21,612 |
Variable Annuities | Other | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Other | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Other | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Other | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Variable Annuities | Other | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
Variable Annuities | Minimum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.01% |  | 1.01% |
Variable Annuities | Minimum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.01% |  | 2.01% |
Variable Annuities | Minimum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.01% |  | 3.01% |
Variable Annuities | Maximum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.00% |  | 2.00% |
Variable Annuities | Maximum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.00% |  | 3.00% |
Variable Annuities | Maximum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.00% |  | 4.00% |
Fixed Annuities |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 25,162 | 25,355 | $ 24,019 | 23,365
Fixed Annuities | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,881 |  | 4,941 |
Fixed Annuities | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 743 |  | 594 |
Fixed Annuities | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 850 |  | 764 |
Fixed Annuities | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 994 |  | 941 |
Fixed Annuities | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 5,722 |  | $ 2,856 |
Fixed Annuities | Up to 1.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.00% |  | 1.00% |
Policyholder account balances | $ 4,803 |  | $ 4,077 |
Fixed Annuities | Up to 1.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 679 |  | 831 |
Fixed Annuities | Up to 1.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 605 |  | 447 |
Fixed Annuities | Up to 1.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 560 |  | 578 |
Fixed Annuities | Up to 1.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 493 |  | 448 |
Fixed Annuities | Up to 1.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 2,466 |  | 1,773 |
Fixed Annuities | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 4,475 |  | 2,460 |
Fixed Annuities | 1.01% - 2.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 360 |  | 559 |
Fixed Annuities | 1.01% - 2.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 99 |  | 141 |
Fixed Annuities | 1.01% - 2.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 285 |  | 184 |
Fixed Annuities | 1.01% - 2.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 500 |  | 493 |
Fixed Annuities | 1.01% - 2.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,231 |  | 1,083 |
Fixed Annuities | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,819 |  | 1,893 |
Fixed Annuities | 2.01% - 3.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,749 |  | 1,885 |
Fixed Annuities | 2.01% - 3.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 39 |  | 6 |
Fixed Annuities | 2.01% - 3.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 5 |  | 2 |
Fixed Annuities | 2.01% - 3.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1 |  | 0 |
Fixed Annuities | 2.01% - 3.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 25 |  | 0 |
Fixed Annuities | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 916 |  | 1,473 |
Fixed Annuities | 3.01% - 4.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 916 |  | 1,473 |
Fixed Annuities | 3.01% - 4.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | 3.01% - 4.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | 3.01% - 4.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | 3.01% - 4.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
Fixed Annuities | 4.01% and above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.01% |  | 4.01% |
Policyholder account balances | $ 177 |  | $ 193 |
Fixed Annuities | 4.01% and above | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 177 |  | 193 |
Fixed Annuities | 4.01% and above | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | 4.01% and above | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | 4.01% and above | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | 4.01% and above | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | Other |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 12,972 |  | 13,923 |
Fixed Annuities | Other | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | Other | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | Other | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | Other | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Fixed Annuities | Other | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
Fixed Annuities | Minimum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.01% |  | 1.01% |
Fixed Annuities | Minimum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.01% |  | 2.01% |
Fixed Annuities | Minimum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.01% |  | 3.01% |
Fixed Annuities | Maximum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.00% |  | 2.00% |
Fixed Annuities | Maximum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.00% |  | 3.00% |
Fixed Annuities | Maximum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.00% |  | 4.00% |
UL and Other |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 37,006 | 37,180 | $ 37,533 | 37,694
UL and Other | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 26,978 |  | 27,872 |
UL and Other | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 10 |  | 158 |
UL and Other | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 369 |  | 203 |
UL and Other | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 119 |  | 26 |
UL and Other | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 3,238 |  | $ 3,577 |
UL and Other | Up to 1.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.00% |  | 1.00% |
Policyholder account balances | $ 632 |  | $ 888 |
UL and Other | Up to 1.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 264 |  | 312 |
UL and Other | Up to 1.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | Up to 1.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 219 |  | 202 |
UL and Other | Up to 1.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 119 |  | 26 |
UL and Other | Up to 1.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 30 |  | 348 |
UL and Other | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,756 |  | 3,785 |
UL and Other | 1.01% - 2.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 548 |  | 556 |
UL and Other | 1.01% - 2.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 1.01% - 2.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 1.01% - 2.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 1.01% - 2.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,208 |  | 3,229 |
UL and Other | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 7,007 |  | 7,288 |
UL and Other | 2.01% - 3.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 6,848 |  | 7,130 |
UL and Other | 2.01% - 3.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 10 |  | 158 |
UL and Other | 2.01% - 3.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 149 |  | 0 |
UL and Other | 2.01% - 3.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 2.01% - 3.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 15,597 |  | 16,108 |
UL and Other | 3.01% - 4.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 15,596 |  | 16,107 |
UL and Other | 3.01% - 4.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 3.01% - 4.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1 |  | 1 |
UL and Other | 3.01% - 4.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 3.01% - 4.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
UL and Other | 4.01% and above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.01% |  | 4.01% |
Policyholder account balances | $ 3,722 |  | $ 3,767 |
UL and Other | 4.01% and above | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,722 |  | 3,767 |
UL and Other | 4.01% and above | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 4.01% and above | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 4.01% and above | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | 4.01% and above | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | Other |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 6,292 |  | 5,697 |
UL and Other | Other | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | Other | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | Other | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | Other | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
UL and Other | Other | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
UL and Other | Minimum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.01% |  | 1.01% |
UL and Other | Minimum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.01% |  | 2.01% |
UL and Other | Minimum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.01% |  | 3.01% |
UL and Other | Maximum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.00% |  | 2.00% |
UL and Other | Maximum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.00% |  | 3.00% |
UL and Other | Maximum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.00% |  | 4.00% |
Retirement Plan Services |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 23,586 | $ 23,784 | $ 24,994 | $ 25,138
Retirement Plan Services | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 9,606 |  | 11,705 |
Retirement Plan Services | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 2,355 |  | 3,380 |
Retirement Plan Services | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 2,219 |  | 4,258 |
Retirement Plan Services | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 5,071 |  | 3,438 |
Retirement Plan Services | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 4,335 |  | $ 2,213 |
Retirement Plan Services | Up to 1.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.00% |  | 1.00% |
Policyholder account balances | $ 9,703 |  | $ 9,532 |
Retirement Plan Services | Up to 1.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 437 |  | 595 |
Retirement Plan Services | Up to 1.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 500 |  | 751 |
Retirement Plan Services | Up to 1.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 740 |  | 3,062 |
Retirement Plan Services | Up to 1.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3,706 |  | 2,911 |
Retirement Plan Services | Up to 1.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 4,320 |  | 2,213 |
Retirement Plan Services | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 4,959 |  | 5,329 |
Retirement Plan Services | 1.01% - 2.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 527 |  | 977 |
Retirement Plan Services | 1.01% - 2.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,660 |  | 2,629 |
Retirement Plan Services | 1.01% - 2.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,413 |  | 1,196 |
Retirement Plan Services | 1.01% - 2.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,345 |  | 527 |
Retirement Plan Services | 1.01% - 2.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 14 |  | 0 |
Retirement Plan Services | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 2,444 |  | 3,093 |
Retirement Plan Services | 2.01% - 3.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 2,342 |  | 3,093 |
Retirement Plan Services | 2.01% - 3.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 21 |  | 0 |
Retirement Plan Services | 2.01% - 3.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 63 |  | 0 |
Retirement Plan Services | 2.01% - 3.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 17 |  | 0 |
Retirement Plan Services | 2.01% - 3.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1 |  | 0 |
Retirement Plan Services | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 4,879 |  | 5,442 |
Retirement Plan Services | 3.01% - 4.00% | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 4,842 |  | 5,442 |
Retirement Plan Services | 3.01% - 4.00% | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 31 |  | 0 |
Retirement Plan Services | 3.01% - 4.00% | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3 |  | 0 |
Retirement Plan Services | 3.01% - 4.00% | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 3 |  | 0 |
Retirement Plan Services | 3.01% - 4.00% | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
Retirement Plan Services | 4.01% and above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.01% |  | 4.01% |
Policyholder account balances | $ 1,601 |  | $ 1,598 |
Retirement Plan Services | 4.01% and above | At Guaranteed Minimum |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 1,458 |  | 1,598 |
Retirement Plan Services | 4.01% and above | 1-50 Basis Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 143 |  | 0 |
Retirement Plan Services | 4.01% and above | 51-100 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Retirement Plan Services | 4.01% and above | 101-150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | 0 |  | 0 |
Retirement Plan Services | 4.01% and above | Greater Than 150 Basis Points Above |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Policyholder account balances | $ 0 |  | $ 0 |
Retirement Plan Services | Minimum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 1.01% |  | 1.01% |
Retirement Plan Services | Minimum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.01% |  | 2.01% |
Retirement Plan Services | Minimum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.01% |  | 3.01% |
Retirement Plan Services | Maximum | 1.01% - 2.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 2.00% |  | 2.00% |
Retirement Plan Services | Maximum | 2.01% - 3.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 3.00% |  | 3.00% |
Retirement Plan Services | Maximum | 3.01% - 4.00% |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Range of guaranteed minimum crediting rate | 4.00% |  | 4.00% |

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