v3.26.3
Account Values by Range of Guaranteed Minimum Crediting Rates (Details) - Investment contract reserves: - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Deferred Fixed Annuity          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period $ 534 $ 540 $ 554 $ 565 $ 575
Deferred Fixed Annuity | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 227     109  
Deferred Fixed Annuity | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 13     205  
Deferred Fixed Annuity | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 48     14  
Deferred Fixed Annuity | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 246     237  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 43     46  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 43     46  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 491     519  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 184     63  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 13     205  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 48     14  
Deferred Fixed Annuity | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 246     237  
Universal life          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 446 $ 447 $ 451 453 $ 454
Universal life | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 313     323  
Universal life | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     54  
Universal life | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 113     61  
Universal life | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 20     15  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 57     55  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 52     51  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 5     4  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 261     272  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 261     272  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 128     126  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, at Guaranteed Minimum Crediting Rate          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     0  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 0     54  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period 108     57  
Universal life | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 | Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater          
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]          
Balance, end of period $ 20     $ 15