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Policyholder Account Balances (Summary of Policyholder Account Balances by Ranges) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 117,598 | $ 114,435 |
UL and Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 37,458 | 37,694 | $ 38,200
UL and Other [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 27,556 | 28,200 |
UL and Other [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 10 | 156 |
UL and Other [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 352 | 195 |
UL and Other [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 46 | 29 |
UL and Other [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,647 | 3,574 |
UL and Other [Member] | Minimum Crediting Rate Up to 1.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 1,059 | $ 833 |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
UL and Other [Member] | Minimum Crediting Rate Up to 1.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 302 | $ 318 |
UL and Other [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 206 | 194 |
UL and Other [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 46 | 29 |
UL and Other [Member] | Minimum Crediting Rate Up to 1.00% [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 505 | 292 |
UL and Other [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,705 | 3,840 |
UL and Other [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 557 | 558 |
UL and Other [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 6 |  |
UL and Other [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,142 | 3,282 |
UL and Other [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 7,366 | 7,374 |
UL and Other [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 7,217 | 7,218 |
UL and Other [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 10 | 156 |
UL and Other [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 139 |  |
UL and Other [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 15,674 | 16,283 |
UL and Other [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 15,673 | 16,282 |
UL and Other [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 1 |
UL and Other [Member] | Minimum Crediting Rate 4.01% and above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 3,807 | $ 3,824 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
UL and Other [Member] | Minimum Crediting Rate 4.01% and above [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 3,807 | $ 3,824 |
UL and Other [Member] | Minimum Crediting Rate Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 5,847 | $ 5,540 |
UL and Other [Member] | Minimum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
UL and Other [Member] | Minimum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
UL and Other [Member] | Minimum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
UL and Other [Member] | Maximum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
UL and Other [Member] | Maximum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
UL and Other [Member] | Maximum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% | 4.00% |
Variable Annuities [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 26,257 | $ 22,184 | 19,148
Variable Annuities [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,103 | 2,218 |
Variable Annuities [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances |  | $ 8 |
Variable Annuities [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 8 |  |
Variable Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Variable Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 12 | $ 12 |
Variable Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 4 | 4 |
Variable Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances |  | 8 |
Variable Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 8 |  |
Variable Annuities [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 619 | 658 |
Variable Annuities [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 619 | 658 |
Variable Annuities [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,470 | 1,545 |
Variable Annuities [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,470 | 1,545 |
Variable Annuities [Member] | Minimum Crediting Rate 4.01% and above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 10 | $ 11 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Variable Annuities [Member] | Minimum Crediting Rate 4.01% and above [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 10 | $ 11 |
Variable Annuities [Member] | Minimum Crediting Rate Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 24,146 | $ 19,958 |
Variable Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Variable Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating |  | 2.01% |
Variable Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% |  |
Variable Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Variable Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Variable Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating |  | 3.00% |
Variable Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% |  |
Variable Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating |  | 4.00% |
Variable Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% |  |
Fixed Annuities [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 23,813 | $ 23,365 | 22,552
Fixed Annuities [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 4,335 | 4,954 |
Fixed Annuities [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 550 | 646 |
Fixed Annuities [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 715 | 769 |
Fixed Annuities [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 965 | 1,055 |
Fixed Annuities [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,379 | 2,386 |
Fixed Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 4,448 | $ 3,869 |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Fixed Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 756 | $ 891 |
Fixed Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 414 | 497 |
Fixed Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 515 | 589 |
Fixed Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 467 | 563 |
Fixed Annuities [Member] | Minimum Crediting Rate Up to 1.00% [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,296 | 1,329 |
Fixed Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,485 | 2,416 |
Fixed Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 577 | 544 |
Fixed Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 133 | 144 |
Fixed Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 194 | 179 |
Fixed Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 498 | 492 |
Fixed Annuities [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,083 | 1,057 |
Fixed Annuities [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,755 | 1,979 |
Fixed Annuities [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,746 | 1,973 |
Fixed Annuities [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3 | 5 |
Fixed Annuities [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 6 | 1 |
Fixed Annuities [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,072 | 1,353 |
Fixed Annuities [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,072 | 1,353 |
Fixed Annuities [Member] | Minimum Crediting Rate 4.01% and above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 184 | $ 193 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Fixed Annuities [Member] | Minimum Crediting Rate 4.01% and above [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 184 | $ 193 |
Fixed Annuities [Member] | Minimum Crediting Rate Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 13,869 | $ 13,555 |
Fixed Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Fixed Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
Fixed Annuities [Member] | Minimum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Fixed Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Fixed Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
Fixed Annuities [Member] | Maximum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% | 4.00% |
Retirement Plan Services [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 24,430 | $ 25,138 | $ 23,579
Retirement Plan Services [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 10,880 | 12,579 |
Retirement Plan Services [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,628 | 3,200 |
Retirement Plan Services [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 4,276 | 5,286 |
Retirement Plan Services [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,224 | 2,165 |
Retirement Plan Services [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,422 | 1,908 |
Retirement Plan Services [Member] | Minimum Crediting Rate Up to 1.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 9,554 | $ 9,877 |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Retirement Plan Services [Member] | Minimum Crediting Rate Up to 1.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 601 | $ 961 |
Retirement Plan Services [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 746 | 1,001 |
Retirement Plan Services [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,092 | 4,304 |
Retirement Plan Services [Member] | Minimum Crediting Rate Up to 1.00% [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,693 | 1,703 |
Retirement Plan Services [Member] | Minimum Crediting Rate Up to 1.00% [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,422 | 1,908 |
Retirement Plan Services [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,232 | 5,415 |
Retirement Plan Services [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 637 | 1,774 |
Retirement Plan Services [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,880 | 2,197 |
Retirement Plan Services [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,184 | 982 |
Retirement Plan Services [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 531 | 462 |
Retirement Plan Services [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,648 | 2,712 |
Retirement Plan Services [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,647 | 2,711 |
Retirement Plan Services [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 1 |
Retirement Plan Services [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,350 | 5,623 |
Retirement Plan Services [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,349 | 5,622 |
Retirement Plan Services [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 1 |
Retirement Plan Services [Member] | Minimum Crediting Rate 4.01% and above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 1,646 | $ 1,511 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Retirement Plan Services [Member] | Minimum Crediting Rate 4.01% and above [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 1,646 | $ 1,511 |
Retirement Plan Services [Member] | Minimum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Retirement Plan Services [Member] | Minimum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
Retirement Plan Services [Member] | Minimum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Retirement Plan Services [Member] | Maximum [Member] | Minimum Crediting Rate 1.01% - 2.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Retirement Plan Services [Member] | Maximum [Member] | Minimum Crediting Rate 2.01% - 3.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
Retirement Plan Services [Member] | Maximum [Member] | Minimum Crediting Rate 3.01% - 4.00% [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% | 4.00% |

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- Definition Guaranteed minimum crediting rate on policyholder account balance. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A + Details
Name: | us-gaap_PolicyholderAccountBalanceGuaranteedMinimumCreditRating
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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