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v3.23.1

Policyholder Account Balances (Summary of Policyholder Account Balances by Ranges) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 114,435 | $ 110,227 |
Ul and Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 37,694 | 38,200 | $ 38,185
Ul and Other [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 28,200 | 28,636 |
Ul and Other [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 156 | 157 |
Ul and Other [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 195 | 570 |
Ul and Other [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 29 | 30 |
Ul and Other [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,574 | 3,589 |
Ul and Other [Member] | Minimum Crediting Rate Up to 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 833 | $ 1,157 |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Ul and Other [Member] | Minimum Crediting Rate Up to 1.00% | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 318 | $ 331 |
Ul and Other [Member] | Minimum Crediting Rate Up to 1.00% | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 194 | 569 |
Ul and Other [Member] | Minimum Crediting Rate Up to 1.00% | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 29 | 30 |
Ul and Other [Member] | Minimum Crediting Rate Up to 1.00% | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 292 | 227 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,840 | 3,893 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 558 | 531 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,282 | 3,362 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 7,374 | 7,437 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 7,218 | 7,280 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 156 | 157 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 16,283 | 16,663 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 16,282 | 16,662 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 1 |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 3,824 | $ 3,832 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Ul and Other [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 3,824 | $ 3,832 |
Ul and Other [Member] | Minimum Crediting Rate Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 5,540 | $ 5,218 |
Ul and Other [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Ul and Other [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
Ul and Other [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Ul and Other [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Ul and Other [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
Ul and Other [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 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 | $ 22,184 | $ 19,148 | 12,145
Variable Annuities [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,218 | 2,280 |
Variable Annuities [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 8 | $ 9 |
Variable Annuities [Member] | Minimum Crediting Rate Up to 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 12 | $ 14 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 4 | 5 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 8 | 9 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 658 | 687 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 658 | 687 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,545 | 1,576 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,545 | 1,576 |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 11 | $ 12 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Variable Annuities [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 11 | $ 12 |
Variable Annuities [Member] | Minimum Crediting Rate Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 19,958 | $ 16,859 |
Variable Annuities [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Variable Annuities [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
Variable Annuities [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Variable Annuities [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Variable Annuities [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
Variable Annuities [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% | 4.00% |
Fixed Annuity [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 23,365 | $ 22,552 | 23,168
Fixed Annuity [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 4,954 | 4,884 |
Fixed Annuity [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 646 | 759 |
Fixed Annuity [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 769 | 1,037 |
Fixed Annuity [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,055 | 1,396 |
Fixed Annuity [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,386 | 1,594 |
Fixed Annuity [Member] | Minimum Crediting Rate Up to 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 3,869 | $ 3,724 |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Fixed Annuity [Member] | Minimum Crediting Rate Up to 1.00% | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 891 | $ 656 |
Fixed Annuity [Member] | Minimum Crediting Rate Up to 1.00% | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 497 | 710 |
Fixed Annuity [Member] | Minimum Crediting Rate Up to 1.00% | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 589 | 869 |
Fixed Annuity [Member] | Minimum Crediting Rate Up to 1.00% | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 563 | 921 |
Fixed Annuity [Member] | Minimum Crediting Rate Up to 1.00% | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,329 | 568 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,416 | 2,277 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 544 | 594 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 144 | 32 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 179 | 156 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 492 | 469 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,057 | 1,026 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,979 | 2,249 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,973 | 2,214 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5 | 17 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 12 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances |  | 6 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,353 | 1,220 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,353 | 1,220 |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 193 | $ 200 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Fixed Annuity [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 193 | $ 200 |
Fixed Annuity [Member] | Minimum Crediting Rate Other [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 13,555 | $ 12,882 |
Fixed Annuity [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Fixed Annuity [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
Fixed Annuity [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Fixed Annuity [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Fixed Annuity [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
Fixed Annuity [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% | 4.00% |
Retirement Plan Services Segment [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 25,138 | $ 23,579 | $ 22,916
Retirement Plan Services Segment [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 12,579 | 14,248 |
Retirement Plan Services Segment [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 3,200 | 3,646 |
Retirement Plan Services Segment [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,286 | 2,478 |
Retirement Plan Services Segment [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,165 | 1,278 |
Retirement Plan Services Segment [Member] | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,908 | 1,929 |
Retirement Plan Services Segment [Member] | Minimum Crediting Rate Up to 1.00% |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 9,877 | $ 8,092 |
Guaranteed Minimum Credit Rating | 1.00% | 1.00% |
Retirement Plan Services Segment [Member] | Minimum Crediting Rate Up to 1.00% | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 961 | $ 1,054 |
Retirement Plan Services Segment [Member] | Minimum Crediting Rate Up to 1.00% | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,001 | 2,613 |
Retirement Plan Services Segment [Member] | Minimum Crediting Rate Up to 1.00% | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 4,304 | 1,683 |
Retirement Plan Services Segment [Member] | Minimum Crediting Rate Up to 1.00% | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,703 | 813 |
Retirement Plan Services Segment [Member] | Minimum Crediting Rate Up to 1.00% | Greater Then 150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,908 | 1,929 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,415 | 5,027 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1,774 | 2,736 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,197 | 1,031 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 51-100 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 982 | 795 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] | 101-150 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 462 | 465 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,712 | 2,892 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 2,711 | 2,891 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 1 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,623 | 5,928 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 5,622 | 5,927 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] | 1-50 Basis Points Above [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | 1 | 1 |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 1,511 | $ 1,640 |
Guaranteed Minimum Credit Rating | 4.01% | 4.01% |
Retirement Plan Services Segment [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 4.01 And Greater [Member] | Guaranteed Minimum Crediting Rate [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 1,511 | $ 1,640 |
Retirement Plan Services Segment [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 1.01% | 1.01% |
Retirement Plan Services Segment [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.01% | 2.01% |
Retirement Plan Services Segment [Member] | Minimum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.01% | 3.01% |
Retirement Plan Services Segment [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 1.01 To 2.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 2.00% | 2.00% |
Retirement Plan Services Segment [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 2.01 To 3.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 3.00% | 3.00% |
Retirement Plan Services Segment [Member] | Maximum [Member] | Policyholder Account Balance Guaranteed Minimum Crediting Rate Range From 3.01 To 4.00 [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Guaranteed Minimum Credit Rating | 4.00% | 4.00% |
Other Operations [Member] |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder account balances | $ 6,054 | $ 6,748 |

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- Definition Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 7A -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 7A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 7A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 55 -Paragraph 29F -URI https://asc.fasb.org/extlink&oid=126561865&loc=SL117819544-158441 + Details
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