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POLICYHOLDER ACCOUNT BALANCES - Guaranteed Minimum Interest Rates (Details)
$ in Millions
Sep. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
1 Basis Point - 50 Basis Points Above | Minimum    
Policyholder Account Balance [Line Items]    
Basis points above guaranteed minimum crediting rate 0.0001 0.0001
1 Basis Point - 50 Basis Points Above | Maximum    
Policyholder Account Balance [Line Items]    
Basis points above guaranteed minimum crediting rate 0.0050 0.0050
51 Basis Points - 150 Basis Points Above | Minimum    
Policyholder Account Balance [Line Items]    
Basis points above guaranteed minimum crediting rate 0.0051 0.0051
51 Basis Points - 150 Basis Points Above | Maximum    
Policyholder Account Balance [Line Items]    
Basis points above guaranteed minimum crediting rate 0.0150 0.0150
Greater Than 150 Basis Points Above | Minimum    
Policyholder Account Balance [Line Items]    
Basis points above guaranteed minimum crediting rate 0.0150 0.0150
Protection Solutions | Universal Life    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 5,065 $ 5,170
Protection Solutions | Universal Life | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 6 $ 6
Protection Solutions | Universal Life | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Protection Solutions | Universal Life | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Protection Solutions | Universal Life | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 1,029 $ 1,022
Protection Solutions | Universal Life | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Protection Solutions | Universal Life | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Protection Solutions | Universal Life | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 4,030 $ 4,142
Protection Solutions | Universal Life | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Protection Solutions | Universal Life | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 3,436 $ 3,576
Protection Solutions | Universal Life | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Universal Life | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 11 61
Protection Solutions | Universal Life | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 3,425 3,515
Protection Solutions | Universal Life | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 695 696
Protection Solutions | Universal Life | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Universal Life | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 90 69
Protection Solutions | Universal Life | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 605 627
Protection Solutions | Universal Life | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 321 462
Protection Solutions | Universal Life | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Universal Life | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 321 462
Protection Solutions | Universal Life | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Universal Life | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 613 436
Protection Solutions | Universal Life | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 6 6
Protection Solutions | Universal Life | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 607 430
Protection Solutions | Universal Life | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Variable Universal Life    
Policyholder Account Balance [Line Items]    
Policyholder account value 4,446 4,399
Protection Solutions | Variable Universal Life | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 146 $ 111
Protection Solutions | Variable Universal Life | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Protection Solutions | Variable Universal Life | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Protection Solutions | Variable Universal Life | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 605 $ 558
Protection Solutions | Variable Universal Life | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Protection Solutions | Variable Universal Life | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Protection Solutions | Variable Universal Life | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 3,695 $ 3,730
Protection Solutions | Variable Universal Life | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Protection Solutions | Variable Universal Life | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 3,720 $ 3,763
Protection Solutions | Variable Universal Life | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 11 16
Protection Solutions | Variable Universal Life | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 36 35
Protection Solutions | Variable Universal Life | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 3,673 3,712
Protection Solutions | Variable Universal Life | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 407 528
Protection Solutions | Variable Universal Life | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 16 33
Protection Solutions | Variable Universal Life | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 391 495
Protection Solutions | Variable Universal Life | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Variable Universal Life | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 286 94
Protection Solutions | Variable Universal Life | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 86 53
Protection Solutions | Variable Universal Life | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 178 28
Protection Solutions | Variable Universal Life | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 22 13
Protection Solutions | Variable Universal Life | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 33 14
Protection Solutions | Variable Universal Life | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 33 9
Protection Solutions | Variable Universal Life | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Protection Solutions | Variable Universal Life | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 5
Legacy Segment | GMxB Legacy    
Policyholder Account Balance [Line Items]    
Policyholder account value 509 573
Legacy Segment | GMxB Legacy | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 73 $ 91
Legacy Segment | GMxB Legacy | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Legacy Segment | GMxB Legacy | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Legacy Segment | GMxB Legacy | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 20 $ 21
Legacy Segment | GMxB Legacy | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Legacy Segment | GMxB Legacy | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Legacy Segment | GMxB Legacy | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 416 $ 461
Legacy Segment | GMxB Legacy | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Legacy Segment | GMxB Legacy | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 506 $ 557
Legacy Segment | GMxB Legacy | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 70 75
Legacy Segment | GMxB Legacy | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 20 21
Legacy Segment | GMxB Legacy | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 416 461
Legacy Segment | GMxB Legacy | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 3 16
Legacy Segment | GMxB Legacy | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 3 16
Legacy Segment | GMxB Legacy | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Legacy Segment | GMxB Legacy | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core    
Policyholder Account Balance [Line Items]    
Policyholder account value 248 273
Individual Retirement | GMxB Core | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 179 $ 205
Individual Retirement | GMxB Core | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Individual Retirement | GMxB Core | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Individual Retirement | GMxB Core | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 12 $ 13
Individual Retirement | GMxB Core | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Individual Retirement | GMxB Core | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Individual Retirement | GMxB Core | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 57 $ 55
Individual Retirement | GMxB Core | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Individual Retirement | GMxB Core | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 81 $ 81
Individual Retirement | GMxB Core | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 12 13
Individual Retirement | GMxB Core | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 12 13
Individual Retirement | GMxB Core | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 57 55
Individual Retirement | GMxB Core | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 167 192
Individual Retirement | GMxB Core | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 167 192
Individual Retirement | GMxB Core | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | GMxB Core | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual    
Policyholder Account Balance [Line Items]    
Policyholder account value 2,116 2,321
Individual Retirement | EQUI-VEST Individual | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 246 $ 267
Individual Retirement | EQUI-VEST Individual | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Individual Retirement | EQUI-VEST Individual | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Individual Retirement | EQUI-VEST Individual | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 39 $ 43
Individual Retirement | EQUI-VEST Individual | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Individual Retirement | EQUI-VEST Individual | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Individual Retirement | EQUI-VEST Individual | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 1,831 $ 2,011
Individual Retirement | EQUI-VEST Individual | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Individual Retirement | EQUI-VEST Individual | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 1,914 $ 2,103
Individual Retirement | EQUI-VEST Individual | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 44 49
Individual Retirement | EQUI-VEST Individual | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 39 43
Individual Retirement | EQUI-VEST Individual | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 1,831 2,011
Individual Retirement | EQUI-VEST Individual | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 202 218
Individual Retirement | EQUI-VEST Individual | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 202 218
Individual Retirement | EQUI-VEST Individual | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Individual Retirement | EQUI-VEST Individual | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | EQUI-VEST Group    
Policyholder Account Balance [Line Items]    
Policyholder account value 9,992 10,416
Group Retirement | EQUI-VEST Group | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 3,410 $ 3,461
Group Retirement | EQUI-VEST Group | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Group Retirement | EQUI-VEST Group | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Group Retirement | EQUI-VEST Group | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 350 $ 345
Group Retirement | EQUI-VEST Group | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Group Retirement | EQUI-VEST Group | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Group Retirement | EQUI-VEST Group | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 6,232 $ 6,610
Group Retirement | EQUI-VEST Group | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Group Retirement | EQUI-VEST Group | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 7,315 $ 7,727
Group Retirement | EQUI-VEST Group | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 734 772
Group Retirement | EQUI-VEST Group | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 350 345
Group Retirement | EQUI-VEST Group | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 6,231 6,610
Group Retirement | EQUI-VEST Group | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 2,379 2,338
Group Retirement | EQUI-VEST Group | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 2,379 2,338
Group Retirement | EQUI-VEST Group | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | EQUI-VEST Group | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | EQUI-VEST Group | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 33 36
Group Retirement | EQUI-VEST Group | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 32 36
Group Retirement | EQUI-VEST Group | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | EQUI-VEST Group | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 1 0
Group Retirement | EQUI-VEST Group | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 265 315
Group Retirement | EQUI-VEST Group | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 265 315
Group Retirement | EQUI-VEST Group | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | EQUI-VEST Group | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | Momentum    
Policyholder Account Balance [Line Items]    
Policyholder account value 553 607
Group Retirement | Momentum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 369 $ 395
Group Retirement | Momentum | 0.00% - 1.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 0.00% 0.00%
Group Retirement | Momentum | 0.00% - 1.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.50% 1.50%
Group Retirement | Momentum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 118 $ 139
Group Retirement | Momentum | 1.51% - 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 1.51% 1.51%
Group Retirement | Momentum | 1.51% - 2.50% | Maximum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Group Retirement | Momentum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 66 $ 73
Group Retirement | Momentum | Greater than 2.50% | Minimum    
Policyholder Account Balance [Line Items]    
Range of Guaranteed Minimum Crediting Rate 2.50% 2.50%
Group Retirement | Momentum | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 178 $ 206
Group Retirement | Momentum | At Guaranteed Minimum | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | Momentum | At Guaranteed Minimum | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 117 138
Group Retirement | Momentum | At Guaranteed Minimum | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 61 68
Group Retirement | Momentum | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 14 13
Group Retirement | Momentum | 1 Basis Point - 50 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 13 12
Group Retirement | Momentum | 1 Basis Point - 50 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 1 1
Group Retirement | Momentum | 1 Basis Point - 50 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | Momentum | 51 Basis Points - 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 310 335
Group Retirement | Momentum | 51 Basis Points - 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 305 330
Group Retirement | Momentum | 51 Basis Points - 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | Momentum | 51 Basis Points - 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 5 5
Group Retirement | Momentum | Greater Than 150 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account value 51 53
Group Retirement | Momentum | Greater Than 150 Basis Points Above | 0.00% - 1.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 51 53
Group Retirement | Momentum | Greater Than 150 Basis Points Above | 1.51% - 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value 0 0
Group Retirement | Momentum | Greater Than 150 Basis Points Above | Greater than 2.50%    
Policyholder Account Balance [Line Items]    
Policyholder account value $ 0 $ 0