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Investments and Derivative Instruments Level 4 Available-for-Sale Securities (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 USD ($) securities | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) securities | Jun. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |  |  |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | securities |  | 2,917 |  |  | 2,917 |  |  |
Derivative, Gain (Loss) on Derivative, Net |  | $ (17) |  | $ (27) | $ (48) |  | $ (30) |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 56,722 |  |  | 56,722 |  |  | $ 56,965
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 4,779 |  |  | 4,779 |  |  | 2,892
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 261 |  |  | 261 |  |  | 658
Available-for-sale Equity Securities, Amortized Cost Basis |  | 772 |  |  | 772 |  |  | 1,135
Available-for-sale Securities, Equity Securities |  | 827 |  |  | 827 |  |  | 1,121
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax |  | 4,858 |  |  | 4,858 |  |  | 2,930
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax |  | 285 |  |  | 285 |  |  | 699
Available-for-sale Securities, Amortized Cost Basis |  | 57,494 |  |  | 57,494 |  |  | 57,807
Available-for-sale Securities |  |  |  |  |  |  |  | 60,035
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
One year or less, amortized cost |  | 2,030 |  |  | 2,030 |  |  | 2,373
Over one year through five years, amortized cost |  | 10,116 |  |  | 10,116 |  |  | 10,929
Over five years through ten years, amortized cost |  | 9,292 |  |  | 9,292 |  |  | 9,322
Over ten years, amortized cost |  | 19,936 |  |  | 19,936 |  |  | 20,178
Mortgage-backed and asset-backed securities, amortized cost |  | 15,348 |  |  | 15,348 |  |  | 14,163
Total fixed maturities, AFS, amortized cost |  | 56,722 |  |  | 56,722 |  |  | 56,965
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
One year or less, fair value |  | 2,048 |  |  | 2,048 |  |  | 2,405
Over one year through five years, fair value |  | 10,575 |  |  | 10,575 |  |  | 11,200
Over five years through ten years, fair value |  | 9,866 |  |  | 9,866 |  |  | 9,497
Over ten years, fair value |  | 23,087 |  |  | 23,087 |  |  | 21,794
Mortgage-backed and asset-backed securities, fair value |  | 15,665 |  |  | 15,665 |  |  | 14,300
Total fixed maturities, AFS, fair value |  | 61,241 |  |  | 61,241 |  |  | 59,196
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 4,892 |  |  | 4,892 |  |  | 18,569
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 107 |  |  | 107 |  |  | 526
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 4,040 |  |  | 4,040 |  |  | 3,072
12 Months or More, Fair Value |  | 3,862 |  |  | 3,862 |  |  | 2,896
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 178 |  |  | 178 |  |  | 173
Amortized Cost |  | 9,038 |  |  | 9,038 |  |  | 22,167
Fair Value |  | 8,754 |  |  | 8,754 |  |  | 21,465
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 285 |  |  | 285 |  |  | 699
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 4,998 |  |  | 4,998 |  |  | 19,095
Gain (Loss) on Investments, Excluding Other than Temporary Impairments |  | $ 60 |  | 20 | $ (72) |  | 37 |
Percentage of Gross Unrealized Losses Depressed Less than Twenty Percent of Cost or Amortized Cost |  | 89.00% |  |  | 89.00% |  |  |
Assets, Fair Value Disclosure |  | $ 180,046 |  |  | $ 180,046 |  |  | 181,633
Asset-backed Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 2,782 |  |  | 2,782 |  |  | 2,520
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 36 |  |  | 36 |  |  | 24
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 41 |  |  | 41 |  |  | 45
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 2,782 |  |  | 2,782 |  |  | 2,520
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 2,777 |  |  | 2,777 |  |  | 2,499
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 755 |  |  | 755 |  |  | 1,609
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 3 |  |  | 3 |  |  | 10
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 427 |  |  | 427 |  |  | 357
12 Months or More, Fair Value |  | 389 |  |  | 389 |  |  | 322
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 38 |  |  | 38 |  |  | 35
Amortized Cost |  | 1,185 |  |  | 1,185 |  |  | 1,976
Fair Value |  | 1,144 |  |  | 1,144 |  |  | 1,931
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 41 |  |  | 41 |  |  | 45
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 758 |  |  | 758 |  |  | 1,619
Collateralized Debt Obligations [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis | [2] | 2,829 |  |  | 2,829 |  |  | 2,989
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | [2] | 63 |  |  | 63 |  |  | 75
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | [2] | 26 |  |  | 26 |  |  | 23
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1],[2] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost | [2] | 2,829 |  |  | 2,829 |  |  | 2,989
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value | [2] | 2,867 |  |  | 2,867 |  |  | 3,038
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value | [3] | 997 |  |  | 997 |  |  | 1,154
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | [3] | 10 |  |  | 10 |  |  | 10
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost | [3] | 1,262 |  |  | 1,262 |  |  | 1,243
12 Months or More, Fair Value | [3] | 1,246 |  |  | 1,246 |  |  | 1,227
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | [3] | 16 |  |  | 16 |  |  | 13
Amortized Cost | [3] | 2,268 |  |  | 2,268 |  |  | 2,407
Fair Value | [3] | 2,243 |  |  | 2,243 |  |  | 2,381
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | [3] | 26 |  |  | 26 |  |  | 23
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost | [3] | 1,006 |  |  | 1,006 |  |  | 1,164
Commercial Mortgage Backed Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 5,014 |  |  | 5,014 |  |  | 4,668
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 213 |  |  | 213 |  |  | 105
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 32 |  |  | 32 |  |  | 56
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 7 |  |  | 7 |  |  | 8
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 5,014 |  |  | 5,014 |  |  | 4,668
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 5,195 |  |  | 5,195 |  |  | 4,717
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 536 |  |  | 536 |  |  | 1,681
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 12 |  |  | 12 |  |  | 45
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 413 |  |  | 413 |  |  | 189
12 Months or More, Fair Value |  | 393 |  |  | 393 |  |  | 178
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 20 |  |  | 20 |  |  | 11
Amortized Cost |  | 961 |  |  | 961 |  |  | 1,915
Fair Value |  | 929 |  |  | 929 |  |  | 1,859
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 32 |  |  | 32 |  |  | 56
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 548 |  |  | 548 |  |  | 1,726
Corporate Debt Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 25,010 |  |  | 25,010 |  |  | 25,876
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 2,281 |  |  | 2,281 |  |  | 1,342
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 133 |  |  | 133 |  |  | 416
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 9 |  |  | 9 |  |  | 3
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 25,010 |  |  | 25,010 |  |  | 25,876
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 27,158 |  |  | 27,158 |  |  | 26,802
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 1,685 |  |  | 1,685 |  |  | 8,866
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 57 |  |  | 57 |  |  | 340
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 1,008 |  |  | 1,008 |  |  | 656
12 Months or More, Fair Value |  | 932 |  |  | 932 |  |  | 580
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 76 |  |  | 76 |  |  | 76
Amortized Cost |  | 2,750 |  |  | 2,750 |  |  | 9,862
Fair Value |  | 2,617 |  |  | 2,617 |  |  | 9,446
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 133 |  |  | 133 |  |  | 416
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 1,742 |  |  | 1,742 |  |  | 9,206
Foreign Government Debt Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 1,116 |  |  | 1,116 |  |  | 1,321
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 78 |  |  | 78 |  |  | 34
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 6 |  |  | 6 |  |  | 47
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 1,116 |  |  | 1,116 |  |  | 1,321
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 1,188 |  |  | 1,188 |  |  | 1,308
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 55 |  |  | 55 |  |  | 646
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 2 |  |  | 2 |  |  | 33
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 129 |  |  | 129 |  |  | 124
12 Months or More, Fair Value |  | 125 |  |  | 125 |  |  | 110
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 4 |  |  | 4 |  |  | 14
Amortized Cost |  | 186 |  |  | 186 |  |  | 803
Fair Value |  | 180 |  |  | 180 |  |  | 756
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 6 |  |  | 6 |  |  | 47
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 57 |  |  | 57 |  |  | 679
Municipal Bonds [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 95 |  |  | 95 |  |  | 430
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 2 |  |  | 2 |  |  | 10
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 21 |  |  | 21 |  |  | 18
12 Months or More, Fair Value |  | 20 |  |  | 20 |  |  | 17
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 1 |  |  | 1 |  |  | 1
Amortized Cost |  | 118 |  |  | 118 |  |  | 458
Fair Value |  | 115 |  |  | 115 |  |  | 447
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 3 |  |  | 3 |  |  | 11
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 97 |  |  | 97 |  |  | 440
US States and Political Subdivisions Debt Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 11,206 |  |  | 11,206 |  |  | 11,124
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 1,408 |  |  | 1,408 |  |  | 1,008
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 3 |  |  | 3 |  |  | 11
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 11,206 |  |  | 11,206 |  |  | 11,124
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 12,611 |  |  | 12,611 |  |  | 12,121
Residential Mortgage Backed Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 4,723 |  |  | 4,723 |  |  | 3,986
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 123 |  |  | 123 |  |  | 82
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 20 |  |  | 20 |  |  | 22
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 4,723 |  |  | 4,723 |  |  | 3,986
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 4,826 |  |  | 4,826 |  |  | 4,046
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 583 |  |  | 583 |  |  | 1,340
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 4 |  |  | 4 |  |  | 9
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 709 |  |  | 709 |  |  | 415
12 Months or More, Fair Value |  | 693 |  |  | 693 |  |  | 402
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 16 |  |  | 16 |  |  | 13
Amortized Cost |  | 1,296 |  |  | 1,296 |  |  | 1,764
Fair Value |  | 1,276 |  |  | 1,276 |  |  | 1,742
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 20 |  |  | 20 |  |  | 22
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 587 |  |  | 587 |  |  | 1,349
US Treasury Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 4,042 |  |  | 4,042 |  |  | 4,481
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 577 |  |  | 577 |  |  | 222
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | 0 |  |  | 0 |  |  | 38
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 4,042 |  |  | 4,042 |  |  | 4,481
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 4,619 |  |  | 4,619 |  |  | 4,665
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 2 |  |  | 2 |  |  | 2,394
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 0 |  |  | 0 |  |  | 38
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 0 |  |  | 0 |  |  | 8
12 Months or More, Fair Value |  | 0 |  |  | 0 |  |  | 8
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 0 |  |  | 0 |  |  | 0
Amortized Cost |  | 2 |  |  | 2 |  |  | 2,440
Fair Value |  | 2 |  |  | 2 |  |  | 2,402
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 0 |  |  | 0 |  |  | 38
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 2 |  |  | 2 |  |  | 2,432
Debt Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 16 |  |  | 16 |  |  | 11
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value |  | 4,708 |  |  | 4,708 |  |  | 18,120
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 90 |  |  | 90 |  |  | 495
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 3,969 |  |  | 3,969 |  |  | 3,010
12 Months or More, Fair Value |  | 3,798 |  |  | 3,798 |  |  | 2,844
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |  | 171 |  |  | 171 |  |  | 163
Amortized Cost |  | 8,766 |  |  | 8,766 |  |  | 21,625
Fair Value |  | 8,506 |  |  | 8,506 |  |  | 20,964
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss |  | 261 |  |  | 261 |  |  | 658
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 4,797 |  |  | 4,797 |  |  | 18,615
Available-for-sale Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Securities |  | 62,068 |  |  | 62,068 |  |  |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 16 |  |  | 16 |  |  | 11
Equity Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Equity Securities, Amortized Cost Basis |  | 772 | [4] |  | 772 | [4] |  | 842
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax | [4] | 79 |  |  | 79 |  |  | 38
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | [4] | 24 |  |  | 24 |  |  | 41
Available-for-sale Securities, Equity Securities | [4] | 827 |  |  | 827 |  |  | 839
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1],[4] | 0 |  |  | 0 |  |  | 0
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Less Than 12 Months, Fair Value | [5] | 184 |  |  | 184 |  |  | 449
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | [5] | 17 |  |  | 17 |  |  | 31
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost | [5] | 71 |  |  | 71 |  |  | 62
12 Months or More, Fair Value | [5] | 64 |  |  | 64 |  |  | 52
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | [5] | 7 |  |  | 7 |  |  | 10
Amortized Cost | [5] | 272 |  |  | 272 |  |  | 542
Fair Value | [5] | 248 |  |  | 248 |  |  | 501
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | [5] | 24 |  |  | 24 |  |  | 41
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost | [5] | 201 |  |  | 201 |  |  | 480
Fixed maturities available-for-sale, excluding mortgage-backed and asset-backed securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 41,374 |  |  | 41,374 |  |  | 42,802
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, amortized cost |  | 41,374 |  |  | 41,374 |  |  | 42,802
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |
Total fixed maturities, AFS, fair value |  | 45,576 |  |  | 45,576 |  |  | 44,896
Equity Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Fair Value to Amortized Cost Basis [Abstract] |  |  |  |  |  |  |  |
Available-for-sale Equity Securities, Amortized Cost Basis |  |  |  |  |  |  |  | 293
Available-for-sale Securities, Equity Securities |  | 0 |  |  | 0 |  |  | 282
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Gain (Loss) on Investments, Excluding Other than Temporary Impairments |  | 92 |  | 6 | 51 |  | $ 43 |
Equity Securities [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |  |  |  |  |
Assets, Fair Value Disclosure |  | 0 |  |  | 0 |  |  | 282
JAPAN | Three Win Related Foreign Currency Swaps [Member] |  |  |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |  |  |
Change in Unrealized Gain (Loss) on Hedged Item in Foreign Currency Fair Value Hedge |  |  |  |  | $ (108) |  |  |
JAPAN | Fair Value Hedging [Member] | Three Win Related Foreign Currency Swaps [Member] |  |  |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |  |  |
Change in Unrealized Gain (Loss) on Hedged Item in Foreign Currency Fair Value Hedge |  | $ (64) |  | $ 16 |  |  |  | $ 16
[1] | Represents the amount of cumulative non-credit OTTI losses recognized in OCI on securities that also had credit impairments. These losses are included in gross unrealized losses as of June 30, 2016, and December 31, 2015.
[2] | Gross unrealized gains (losses) exclude the fair value of bifurcated embedded derivatives within certain securities. Subsequent changes in value are recorded in net realized capital gains (losses).
[3] | Unrealized losses exclude the change in fair value of bifurcated embedded derivatives within certain securities, for which changes in fair value are recorded in net realized capital gains (losses).
[4] | Excluded equity securities, FVO, with a cost and fair value of $293 and $282 as of December 31, 2015. The Company held no equity securities, FVO as of June 30, 2016.
[5] | As of June 30, 2016, and December 31, 2015, excludes equity securities, FVO which are included in equity securities, AFS on the Condensed Consolidated Balance Sheets.

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