v3.26.1
Insurance Liabilities (Balance of Account Values by range of guaranteed minimum crediting rates) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 16,721 $ 17,069
Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 2,018 2,013
ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 4,373 4,446
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 8,688 $ 8,832
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 435 $ 413
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 0 $ 0
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 7,310 $ 7,497
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 626 $ 631
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 3,899 $ 3,962
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG | Minimum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 2.00% 2.00%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG | Maximum    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 723 $ 740
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 957 $ 969
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99%
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 474 $ 484
Policyholder Account Balance, Guaranteed Minimum Credit Rating 3.99% 3.99%
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 7,147 $ 7,279
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 957 969
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 1,420 1,449
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 365 384
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 6,059 6,155
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 946 965
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 723 740
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 957 969
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 474 484
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 640 624
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 470 476
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 1,260 1,279
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 142 127
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 498 497
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 470 476
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 1,260 1,279
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 615 706
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 44 43
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 1,475 1,496
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 186 188
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 429 518
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 44 43
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 1,475 1,496
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 8,319 8,460
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 547 525
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 218 222
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 7,995 8,133
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 435 413
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0200 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 324 327
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 112 112
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 to 0399 | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 218 222
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Variable Annuities    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | Life insurance    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves 0 0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater | ULSG    
Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Line Items]    
Policyholder Account Balances gross of policy loans and excludes excessing interest reserves $ 0 $ 0