v3.25.2
Policyholders' Account Balances (Guaranteed Minimum Crediting Rate) (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 180,931 $ 154,991
1 - 50 bps above guaranteed minimum | Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance above guaranteed minimum crediting rate 1 1
1 - 50 bps above guaranteed minimum | Maximum    
Policyholder Account Balance [Line Items]    
Policyholder account balance above guaranteed minimum crediting rate 50 50
51 - 150 bps above guaranteed minimum | Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance above guaranteed minimum crediting rate 51 51
51 - 150 bps above guaranteed minimum | Maximum    
Policyholder Account Balance [Line Items]    
Policyholder account balance above guaranteed minimum crediting rate 150 150
Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance above guaranteed minimum crediting rate 150 150
Institutional    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 10,486 $ 9,422
Institutional | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 10,486 9,422
Institutional | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Institutional | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Institutional | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Individual Variable    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 3,261 3,780
Individual Variable | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 2,254 2,730
Individual Variable | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 586 781
Individual Variable | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 421 269
Individual Variable | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Individual Fixed    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 6,689 4,412
Individual Fixed | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 4,155 2,156
Individual Fixed | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 552 637
Individual Fixed | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 794 815
Individual Fixed | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1,188 804
Group Insurance    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 2,267 2,530
Group Insurance | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1,489 1,547
Group Insurance | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 6 0
Group Insurance | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 51 0
Group Insurance | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 721 983
Variable Universal Life    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 23,603 23,893
Variable Universal Life | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 11,538 10,011
Variable Universal Life | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 3,518 5,377
Variable Universal Life | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 6,114 5,857
Variable Universal Life | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 2,433 2,648
International Businesses    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 54,245 46,891
International Businesses | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 53,884 43,801
International Businesses | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 335 415
International Businesses | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 26 115
International Businesses | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 2,560
Less than 1.00% | Institutional    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
Account Values with Crediting Rates $ 614 $ 503
Less than 1.00% | Institutional | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 614 503
Less than 1.00% | Institutional | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Institutional | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Institutional | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Less than 1.00% | Individual Variable    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
Account Values with Crediting Rates $ 1,059 $ 1,523
Less than 1.00% | Individual Variable | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 448 618
Less than 1.00% | Individual Variable | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 204 651
Less than 1.00% | Individual Variable | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 407 254
Less than 1.00% | Individual Variable | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Less than 1.00% | Individual Fixed    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
Account Values with Crediting Rates $ 1,140 $ 721
Less than 1.00% | Individual Fixed | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Individual Fixed | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 4 4
Less than 1.00% | Individual Fixed | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 18 10
Less than 1.00% | Individual Fixed | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,118 $ 707
Less than 1.00% | Group Insurance    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
Account Values with Crediting Rates $ 712 $ 921
Less than 1.00% | Group Insurance | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Group Insurance | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Group Insurance | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Group Insurance | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 712 $ 921
Less than 1.00% | Variable Universal Life    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
Account Values with Crediting Rates $ 354 $ 324
Less than 1.00% | Variable Universal Life | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Variable Universal Life | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Variable Universal Life | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Less than 1.00% | Variable Universal Life | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 354 $ 324
Less than 1.00% | International Businesses    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
Account Values with Crediting Rates $ 3,955 $ 18,329
Less than 1.00% | International Businesses | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 3,932 15,646
Less than 1.00% | International Businesses | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 23 40
Less than 1.00% | International Businesses | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 83
Less than 1.00% | International Businesses | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 2,560
1.00% - 1.99% | Institutional    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,552 $ 1,519
1.00% - 1.99% | Institutional | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
1.00% - 1.99% | Institutional | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.99% 1.99%
1.00% - 1.99% | Institutional | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,552 $ 1,519
1.00% - 1.99% | Institutional | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Institutional | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Institutional | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Individual Variable    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 482 $ 307
1.00% - 1.99% | Individual Variable | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
1.00% - 1.99% | Individual Variable | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.99% 1.99%
1.00% - 1.99% | Individual Variable | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 104 $ 187
1.00% - 1.99% | Individual Variable | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 377 118
1.00% - 1.99% | Individual Variable | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1 2
1.00% - 1.99% | Individual Variable | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Individual Fixed    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 760 $ 891
1.00% - 1.99% | Individual Fixed | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
1.00% - 1.99% | Individual Fixed | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.99% 1.99%
1.00% - 1.99% | Individual Fixed | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 428 $ 482
1.00% - 1.99% | Individual Fixed | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 65 96
1.00% - 1.99% | Individual Fixed | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 215 234
1.00% - 1.99% | Individual Fixed | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 52 79
1.00% - 1.99% | Group Insurance    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 2 $ 0
1.00% - 1.99% | Group Insurance | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
1.00% - 1.99% | Group Insurance | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.99% 1.99%
1.00% - 1.99% | Group Insurance | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
1.00% - 1.99% | Group Insurance | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Group Insurance | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Group Insurance | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 2 0
1.00% - 1.99% | Variable Universal Life    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 4,015 $ 3,773
1.00% - 1.99% | Variable Universal Life | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
1.00% - 1.99% | Variable Universal Life | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.99% 1.99%
1.00% - 1.99% | Variable Universal Life | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 341 $ 247
1.00% - 1.99% | Variable Universal Life | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | Variable Universal Life | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 2,072 1,678
1.00% - 1.99% | Variable Universal Life | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1,602 1,848
1.00% - 1.99% | International Businesses    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 16,482 $ 10,527
1.00% - 1.99% | International Businesses | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.00% 1.00%
1.00% - 1.99% | International Businesses | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 1.99% 1.99%
1.00% - 1.99% | International Businesses | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 16,450 $ 10,445
1.00% - 1.99% | International Businesses | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 32 82
1.00% - 1.99% | International Businesses | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
1.00% - 1.99% | International Businesses | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Institutional    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 75 $ 608
2.00% - 2.99% | Institutional | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.00% 2.00%
2.00% - 2.99% | Institutional | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.99% 2.99%
2.00% - 2.99% | Institutional | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 75 $ 608
2.00% - 2.99% | Institutional | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Institutional | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Institutional | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Individual Variable    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 28 $ 33
2.00% - 2.99% | Individual Variable | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.00% 2.00%
2.00% - 2.99% | Individual Variable | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.99% 2.99%
2.00% - 2.99% | Individual Variable | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 20 $ 24
2.00% - 2.99% | Individual Variable | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 4 5
2.00% - 2.99% | Individual Variable | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 4 4
2.00% - 2.99% | Individual Variable | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Individual Fixed    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,555 $ 1,588
2.00% - 2.99% | Individual Fixed | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.00% 2.00%
2.00% - 2.99% | Individual Fixed | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.99% 2.99%
2.00% - 2.99% | Individual Fixed | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 536 $ 548
2.00% - 2.99% | Individual Fixed | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 454 461
2.00% - 2.99% | Individual Fixed | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 550 563
2.00% - 2.99% | Individual Fixed | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 15 16
2.00% - 2.99% | Group Insurance    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 44 $ 27
2.00% - 2.99% | Group Insurance | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.00% 2.00%
2.00% - 2.99% | Group Insurance | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.99% 2.99%
2.00% - 2.99% | Group Insurance | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 44 $ 27
2.00% - 2.99% | Group Insurance | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Group Insurance | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Group Insurance | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
2.00% - 2.99% | Variable Universal Life    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 5,018 $ 4,796
2.00% - 2.99% | Variable Universal Life | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.00% 2.00%
2.00% - 2.99% | Variable Universal Life | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.99% 2.99%
2.00% - 2.99% | Variable Universal Life | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 284 $ 31
2.00% - 2.99% | Variable Universal Life | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1,565 1,480
2.00% - 2.99% | Variable Universal Life | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 2,737 2,837
2.00% - 2.99% | Variable Universal Life | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 432 448
2.00% - 2.99% | International Businesses    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 8,232 $ 5,080
2.00% - 2.99% | International Businesses | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.00% 2.00%
2.00% - 2.99% | International Businesses | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 2.99% 2.99%
2.00% - 2.99% | International Businesses | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 7,926 $ 4,755
2.00% - 2.99% | International Businesses | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 280 293
2.00% - 2.99% | International Businesses | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 26 32
2.00% - 2.99% | International Businesses | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | Institutional    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 3,513 $ 4,674
3.00% - 4.00% | Institutional | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 3.00% 3.00%
3.00% - 4.00% | Institutional | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
3.00% - 4.00% | Institutional | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 3,513 $ 4,674
3.00% - 4.00% | Institutional | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | Institutional | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | Institutional | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | Individual Variable    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,615 $ 1,827
3.00% - 4.00% | Individual Variable | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 3.00% 3.00%
3.00% - 4.00% | Individual Variable | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
3.00% - 4.00% | Individual Variable | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,605 $ 1,811
3.00% - 4.00% | Individual Variable | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1 7
3.00% - 4.00% | Individual Variable | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 9 9
3.00% - 4.00% | Individual Variable | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | Individual Fixed    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 3,156 $ 1,122
3.00% - 4.00% | Individual Fixed | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 3.00% 3.00%
3.00% - 4.00% | Individual Fixed | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
3.00% - 4.00% | Individual Fixed | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 3,113 $ 1,036
3.00% - 4.00% | Individual Fixed | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 29 76
3.00% - 4.00% | Individual Fixed | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 11 8
3.00% - 4.00% | Individual Fixed | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 3 2
3.00% - 4.00% | Group Insurance    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,506 $ 1,510
3.00% - 4.00% | Group Insurance | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 3.00% 3.00%
3.00% - 4.00% | Group Insurance | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
3.00% - 4.00% | Group Insurance | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 1,442 $ 1,448
3.00% - 4.00% | Group Insurance | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 6 0
3.00% - 4.00% | Group Insurance | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 51 0
3.00% - 4.00% | Group Insurance | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 7 62
3.00% - 4.00% | Variable Universal Life    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 8,914 $ 9,567
3.00% - 4.00% | Variable Universal Life | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 3.00% 3.00%
3.00% - 4.00% | Variable Universal Life | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
3.00% - 4.00% | Variable Universal Life | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 5,611 $ 4,300
3.00% - 4.00% | Variable Universal Life | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1,953 3,897
3.00% - 4.00% | Variable Universal Life | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 1,305 1,342
3.00% - 4.00% | Variable Universal Life | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 45 28
3.00% - 4.00% | International Businesses    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 8,743 $ 5,852
3.00% - 4.00% | International Businesses | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 3.00% 3.00%
3.00% - 4.00% | International Businesses | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
3.00% - 4.00% | International Businesses | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 8,743 $ 5,852
3.00% - 4.00% | International Businesses | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | International Businesses | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
3.00% - 4.00% | International Businesses | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Greater than 4.00% | Institutional    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
Account Values with Crediting Rates $ 4,732 $ 2,118
Greater than 4.00% | Institutional | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 4,732 2,118
Greater than 4.00% | Institutional | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Institutional | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Institutional | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Greater than 4.00% | Individual Variable    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
Account Values with Crediting Rates $ 77 $ 90
Greater than 4.00% | Individual Variable | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 77 90
Greater than 4.00% | Individual Variable | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Individual Variable | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Individual Variable | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Greater than 4.00% | Individual Fixed    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
Account Values with Crediting Rates $ 78 $ 90
Greater than 4.00% | Individual Fixed | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 78 90
Greater than 4.00% | Individual Fixed | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Individual Fixed | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Individual Fixed | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Greater than 4.00% | Group Insurance    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
Account Values with Crediting Rates $ 3 $ 72
Greater than 4.00% | Group Insurance | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 3 72
Greater than 4.00% | Group Insurance | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Group Insurance | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Group Insurance | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Greater than 4.00% | Variable Universal Life    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
Account Values with Crediting Rates $ 5,302 $ 5,433
Greater than 4.00% | Variable Universal Life | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 5,302 5,433
Greater than 4.00% | Variable Universal Life | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Variable Universal Life | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | Variable Universal Life | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0
Greater than 4.00% | International Businesses    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rates 4.00% 4.00%
Account Values with Crediting Rates $ 16,833 $ 7,103
Greater than 4.00% | International Businesses | At guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 16,833 7,103
Greater than 4.00% | International Businesses | 1 - 50 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | International Businesses | 51 - 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates 0 0
Greater than 4.00% | International Businesses | Greater than 150 bps above guaranteed minimum    
Policyholder Account Balance [Line Items]    
Account Values with Crediting Rates $ 0 $ 0