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Fair Value (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
U.S. corporate securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period $ 6,784 $ 7,149
Earnings [Abstract]    
Net Investment Income 2 3
Net Investment Gains (Losses) (1) 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 2 48
Purchases 730 588
Sales (313) (317)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 118 88
Transfers Out of Level 3 (17) (698)
Balance, End of Period 7,305 6,861
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 2 3
Net Investment Gains (Losses) (1) (2)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Foreign corporate securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 4,370 5,726
Earnings [Abstract]    
Net Investment Income 5 6
Net Investment Gains (Losses) (41) 13
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 107 74
Purchases 435 621
Sales (112) (646)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 44 3
Transfers Out of Level 3 (162) (263)
Balance, End of Period 4,646 5,534
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 5 6
Net Investment Gains (Losses) (30) 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Foreign government debt securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 2,322 3,134
Earnings [Abstract]    
Net Investment Income 3 6
Net Investment Gains (Losses) (1) (14)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 34 86
Purchases 256 469
Sales (141) (213)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 36 13
Transfers Out of Level 3 (296) (295)
Balance, End of Period 2,213 3,186
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 3 7
Net Investment Gains (Losses) (1) (15)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
RMBS [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 1,602 2,541
Earnings [Abstract]    
Net Investment Income 7 4
Net Investment Gains (Losses) (1) (6)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 8 38
Purchases 794 126
Sales (128) (72)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 (36) (1,247)
Balance, End of Period 2,246 1,384
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 7 4
Net Investment Gains (Losses) 0 (6)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
U.S. Treasury and agency securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 31 79
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) (1) 0
Purchases 0 1
Sales (6) (3)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 (1)
Balance, End of Period 24 76
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
CMBS [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 753 1,011
Earnings [Abstract]    
Net Investment Income 6 (6)
Net Investment Gains (Losses) (18) 45
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 4 99
Purchases 66 142
Sales (57) (497)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 8 92
Transfers Out of Level 3 0 (95)
Balance, End of Period 762 791
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 6 (7)
Net Investment Gains (Losses) (15) 45
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
ABS [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 1,850 3,026
Earnings [Abstract]    
Net Investment Income 6 10
Net Investment Gains (Losses) 1 (8)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) (18) 77
Purchases 542 495
Sales (135) (167)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 (48) (40)
Balance, End of Period 2,198 3,393
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 6 10
Net Investment Gains (Losses) 0 (3)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
State and political subdivision securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 53 46
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 3 0
Purchases 26 4
Sales 0 0
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 (4)
Balance, End of Period 82 46
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other fixed maturity securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 0 4
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 0
Balance, End of Period 0 4
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Common Stock [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 281 268
Earnings [Abstract]    
Net Investment Income 1 0
Net Investment Gains (Losses) (1) 3
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 6 18
Purchases 20 41
Sales 0 (35)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 15 71
Transfers Out of Level 3 (54) (7)
Balance, End of Period 268 359
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 1
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Non-redeemable preferred stock [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 438 905
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) (3) 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 28 37
Purchases 0 1
Sales (17) (8)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 11
Transfers Out of Level 3 0 0
Balance, End of Period 446 946
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) (3) 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Actively traded securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 0 10
Earnings [Abstract]    
Net Investment Income 0 1
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 13 22
Sales 0 0
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 7
Transfers Out of Level 3 0 0
Balance, End of Period 13 40
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 1
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
FVO general account securities [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 23 77
Earnings [Abstract]    
Net Investment Income 7 5
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 0 0
Sales 0 (20)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 0
Balance, End of Period 30 62
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 7 8
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
FVO contractholder-directed unit-linked investments [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 1,386 735
Earnings [Abstract]    
Net Investment Income 17 30
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 870 62
Sales (1,037) (248)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 4 129
Transfers Out of Level 3 (3) (142)
Balance, End of Period 1,237 566
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 26 (10)
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Short-term Investments [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 590 858
Earnings [Abstract]    
Net Investment Income 2 2
Net Investment Gains (Losses) 0 (1)
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 2 7
Purchases 213 371
Sales (100) (492)
Issuances 0 0
Settlements 0 0
Transfers Into Level 3 0 5
Transfers Out of Level 3 (245) (8)
Balance, End of Period 462 742
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 2 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Mortgage loans held-for-sale [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 1,414 24
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 32 (2)
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 0 0
Sales 0 0
Issuances 277 0
Settlements (18) 0
Transfers Into Level 3 12 5
Transfers Out of Level 3 (9) (2)
Balance, End of Period 1,708 25
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 32 (2)
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
MSR's [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 666 950
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 45 58
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 0 0
Sales 0 0
Issuances 59 54
Settlements (43) (33)
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 0
Balance, End of Period 727 1,029
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 47 57
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Separate account assets [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 1,325 1,983
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 55 50
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 139 375
Sales (143) (227)
Issuances 1 0
Settlements (4) (1)
Transfers Into Level 3 26 20
Transfers Out of Level 3 (17) (196)
Balance, End of Period 1,382 2,004
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Interest rate contracts [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 300 (86)
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 1 8
Other Revenues (63) 9
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) (86) (13)
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements (10) 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 (7)
Balance, End of Period 142 (89)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 2 7
Other Revenues 3 14
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Foreign currency contracts [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 44 73
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 17 (8)
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements (7) 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 (26)
Balance, End of Period 54 39
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 7 (8)
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Credit contracts [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 1 44
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 43 6
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 (3)
Purchases 0 0
Sales 0 0
Issuances (3) (4)
Settlements (3) 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 0
Balance, End of Period 38 43
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 41 6
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Equity market contracts [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period 889 142
Earnings [Abstract]    
Net Investment Income 0 (3)
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) (508) (92)
Other Revenues 0 0
Policyholder Benefits and Claims 16 0
Other Expenses 0 0
Other Comprehensive Income (Loss) (4) (1)
Purchases 0 18
Sales 0 0
Issuances 0 0
Settlements 0 (5)
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 (75)
Balance, End of Period 393 (16)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) (507) (92)
Other Revenues 0 0
Policyholder Benefits and Claims 16 0
Other Expenses 0 0
Net Embedded Derivatives [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period (4,203) (2,438)
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 1,873 975
Other Revenues 0 0
Policyholder Benefits and Claims (47) (18)
Other Expenses 0 0
Other Comprehensive Income (Loss) 103 48
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements (139) (105)
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 0
Balance, End of Period (2,413) (1,538)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) 0 0
Net Derivative Gains (Losses) 1,864 968
Other Revenues 0 0
Policyholder Benefits and Claims (46) (18)
Other Expenses 0 0
Long Term Debt Of Consolidated Securitization Entities Estimated Fair Value [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period (116) (184)
Earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) (10) 46
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Other Comprehensive Income (Loss) 0 0
Purchases 0 0
Sales 0 0
Issuances 0 0
Settlements 44 0
Transfers Into Level 3 0 0
Transfers Out of Level 3 0 0
Balance, End of Period (82) (138)
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0 0
Net Investment Gains (Losses) (10) 46
Net Derivative Gains (Losses) 0 0
Other Revenues 0 0
Policyholder Benefits and Claims 0 0
Other Expenses 0 0
Liability Related To Securitized Reverse Residential Mortgage Loans [Member]
   
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period (1,175)  
Earnings [Abstract]    
Net Investment Income 0  
Net Investment Gains (Losses) 0  
Net Derivative Gains (Losses) 0  
Other Revenues (2)  
Policyholder Benefits and Claims 0  
Other Expenses 0  
Other Comprehensive Income (Loss) 0  
Purchases 0  
Sales 0  
Issuances (340)  
Settlements 12  
Transfers Into Level 3 0  
Transfers Out of Level 3 0  
Balance, End of Period (1,505)  
Changes in unrealized gains (losses) relating to assets still held at end of period included in earnings [Abstract]    
Net Investment Income 0  
Net Investment Gains (Losses) 0  
Net Derivative Gains (Losses) 0  
Other Revenues (3)  
Policyholder Benefits and Claims 0  
Other Expenses $ 0