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SCHEDULE III - CONDENSED SUPPLEMENTARY INSURANCE INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Supplementary Insurance Information, by Segment [Line Items] |  |  |
DAC and VOBA | $ 6,081 | $ 5,812 | $ 7,694
Future Contract Benefits | 41,030 | 40,814 | 36,420
Unearned Premiums |  |  |
Other Contract Holder Funds | 111,702 | 105,405 | 98,018
Insurance Premiums | 5,617 | 5,372 | 5,513
Net Investment Income | 6,115 | 5,510 | 5,223
Benefits and Interest Credited | 11,444 | 11,600 | 10,660
Amortization of DAC and VOBA | 1,634 | 1,294 | 1,368
Other Operating Expenses | 4,522 | 4,138 | 4,352
Premiums Written |  |  |
Annuities Segment [Member] |  |  |
Supplementary Insurance Information, by Segment [Line Items] |  |  |
DAC and VOBA | 4,086 | 3,782 | 3,790
Future Contract Benefits | 4,181 | 4,183 | 3,862
Unearned Premiums |  |  |
Other Contract Holder Funds | 41,619 | 35,218 | 29,493
Insurance Premiums | 116 | 121 | 502
Net Investment Income | 1,401 | 1,272 | 1,140
Benefits and Interest Credited | 1,091 | 1,245 | 1,248
Amortization of DAC and VOBA | 465 | 365 | 452
Other Operating Expenses | 1,677 | 1,467 | 1,463
Premiums Written |  |  |
Retirement Plan Services Segment [Member] |  |  |
Supplementary Insurance Information, by Segment [Line Items] |  |  |
DAC and VOBA | 152 | 120 | 176
Future Contract Benefits | 15 | 11 | 9
Unearned Premiums |  |  |
Other Contract Holder Funds | 23,635 | 22,912 | 20,553
Net Investment Income | 992 | 933 | 924
Benefits and Interest Credited | 620 | 617 | 587
Amortization of DAC and VOBA | 32 | 29 | 26
Other Operating Expenses | 388 | 375 | 392
Premiums Written |  |  |
Life Insurance Segment [Member] |  |  |
Supplementary Insurance Information, by Segment [Line Items] |  |  |
DAC and VOBA | 1,672 | 1,723 | 3,519
Future Contract Benefits | 20,389 | 20,127 | 16,249
Unearned Premiums |  |  |
Other Contract Holder Funds | 39,717 | 39,797 | 39,941
Insurance Premiums | 1,033 | 950 | 885
Net Investment Income | 3,209 | 2,823 | 2,658
Benefits and Interest Credited | 5,714 | 6,077 | 5,616
Amortization of DAC and VOBA | 1,030 | 786 | 779
Other Operating Expenses | 735 | 720 | 737
Premiums Written |  |  |
Group Protection Segment [Member] |  |  |
Supplementary Insurance Information, by Segment [Line Items] |  |  |
DAC and VOBA | 171 | 187 | 209
Future Contract Benefits | 6,326 | 5,986 | 5,601
Unearned Premiums |  |  |
Other Contract Holder Funds | 214 | 213 | 194
Insurance Premiums | 4,450 | 4,280 | 4,113
Net Investment Income | 366 | 330 | 307
Benefits and Interest Credited | 3,896 | 3,505 | 3,041
Amortization of DAC and VOBA | 107 | 114 | 111
Other Operating Expenses | 1,154 | 1,120 | 1,134
Premiums Written |  |  |
Other Operations [Member] |  |  |
Supplementary Insurance Information, by Segment [Line Items] |  |  |
Future Contract Benefits | 10,119 | 10,507 | 10,699
Unearned Premiums |  |  |
Other Contract Holder Funds | 6,517 | 7,265 | 7,837
Insurance Premiums | 18 | 21 | 13
Net Investment Income | 147 | 152 | 194
Benefits and Interest Credited | 123 | 156 | 168
Other Operating Expenses | 568 | 456 | 626
Premiums Written |  |  |

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