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Investments and Derivative Instruments Level 4 Available-for-Sale Securities (Details) $ in Millions | Dec. 31, 2015 USD ($) securities | Dec. 31, 2014 USD ($)
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Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | $ 56,965 |  | $ 55,362 |
Available-for-sale Equity Securities, Amortized Cost Basis |  | 1,135 |  | 1,027 |
Available-for-sale Securities, Amortized Cost Basis |  | 57,807 |  | 56,038 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 2,892 |  | 4,377 |
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax |  | 2,930 |  | 4,427 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (658) |  | (358) |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax |  | 699 |  | 385 |
Available-for-sale Securities, Debt Securities |  | 59,196 |  | 59,384 |
Available-for-sale Securities, Equity Securities |  | 1,121 |  | 1,047 |
Available-for-sale Securities |  |  |  | 60,083 |
Investments Classified by Contractual Maturity Date [Abstract] |  |  |  |  |
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis |  | 2,373 |  | 2,141 |
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value |  | 2,405 |  | 2,168 |
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis |  | 10,929 |  | 11,264 |
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value |  | 11,200 |  | 11,827 |
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis |  | 9,322 |  | 8,802 |
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value |  | 9,497 |  | 9,226 |
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis |  | 20,178 |  | 19,859 |
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value |  | 21,794 |  | 22,517 |
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis |  | 14,163 |  | 13,296 |
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value |  | 14,300 |  | 13,646 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 19,095 |  | 6,318 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 18,569 |  | 6,174 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 526 |  | 144 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 3,072 |  | 4,667 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 2,896 |  | 4,429 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 173 |  | 241 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 22,167 |  | 10,985 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 21,465 |  | 10,603 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | $ 699 |  | 385 |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | securities |  | 4,850 |  |  |
Percentage of Gross Unrealized Losses Depressed Less than Twenty Percent of Cost or Amortized Cost |  | 91.00% |  |  |
Fixed maturities available-for-sale, excluding mortgage-backed and asset-backed securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | $ 42,802 |  | 42,066 |
Available-for-sale Securities, Debt Securities |  | 44,896 |  | 45,738 |
Asset-backed Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 2,520 |  | 2,470 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 24 |  | 39 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (45) |  | (37) |
Available-for-sale Securities, Debt Securities |  | 2,499 |  | 2,472 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 1,619 |  | 897 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 1,609 |  | 893 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 10 |  | 4 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 357 |  | 473 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 322 |  | 440 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 35 |  | 33 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 1,976 |  | 1,370 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 1,931 |  | 1,333 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 45 |  | 37 |
Collateralized Debt Obligations [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 2,989 |  | 2,776 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 75 |  | 98 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (23) |  | (36) |
Available-for-sale Securities, Debt Securities |  | 3,038 |  | 2,841 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1],[2] | 0 |  | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 1,164 | [3] | 748 | [4]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 1,154 | [3] | 743 | [4]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 10 | [3] | 5 | [4]
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 1,243 | [3] | 1,489 | [4]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 1,227 | [3] | 1,461 | [4]
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 13 | [3] | 31 | [4]
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 2,407 | [3] | 2,237 | [4]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 2,381 | [3] | 2,204 | [4]
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 23 | [3] | 36 | [4]
Commercial Mortgage Backed Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 4,668 |  | 4,235 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 105 |  | 196 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (56) |  | (16) |
Available-for-sale Securities, Debt Securities |  | 4,717 |  | 4,415 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 8 |  | 6 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 1,726 |  | 230 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 1,681 |  | 227 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 45 |  | 3 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 189 |  | 319 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 178 |  | 306 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 11 |  | 13 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 1,915 |  | 549 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 1,859 |  | 533 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 56 |  | 16 |
Corporate Debt Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 25,876 |  | 25,188 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 1,342 |  | 2,382 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (416) |  | (211) |
Available-for-sale Securities, Debt Securities |  | 26,802 |  | 27,359 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 3 |  | 3 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 9,206 |  | 3,082 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 8,866 |  | 2,980 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 340 |  | 102 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 656 |  | 1,177 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 580 |  | 1,068 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 76 |  | 109 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 9,862 |  | 4,259 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 9,446 |  | 4,048 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 416 |  | 211 |
Foreign Government Debt Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 1,321 |  | 1,592 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 34 |  | 73 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (47) |  | (29) |
Available-for-sale Securities, Debt Securities |  | 1,308 |  | 1,636 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 679 |  | 363 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 646 |  | 349 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 33 |  | 14 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 124 |  | 227 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 110 |  | 212 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 14 |  | 15 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 803 |  | 590 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 756 |  | 561 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 47 |  | 29 |
Municipal Bonds [Member] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 440 |  | 74 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 430 |  | 73 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 10 |  | 1 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 18 |  | 86 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 17 |  | 82 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 1 |  | 4 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 458 |  | 160 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 447 |  | 155 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 11 |  | 5 |
US States and Political Subdivisions Debt Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 11,124 |  | 11,735 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 1,008 |  | 1,141 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (11) |  | (5) |
Available-for-sale Securities, Debt Securities |  | 12,121 |  | 12,871 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  | 0 |
Residential Mortgage Backed Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 3,986 |  | 3,815 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 82 |  | 122 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (22) |  | (19) |
Available-for-sale Securities, Debt Securities |  | 4,046 |  | 3,918 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  | 1 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 1,349 |  | 320 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 1,340 |  | 318 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 9 |  | 2 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 415 |  | 433 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 402 |  | 416 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 13 |  | 17 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 1,764 |  | 753 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 1,742 |  | 734 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 22 |  | 19 |
US Treasury Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Debt Securities, Amortized Cost Basis |  | 4,481 |  | 3,551 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax |  | 222 |  | 326 |
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax |  | (38) |  | (5) |
Available-for-sale Securities, Debt Securities |  | 4,665 |  | 3,872 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 0 |  | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 2,432 |  | 432 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 2,394 |  | 431 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 38 |  | 1 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 8 |  | 361 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 8 |  | 357 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 0 |  | 4 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 2,440 |  | 793 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 2,402 |  | 788 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 38 |  | 5 |
Debt Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 11 |  | 11 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost |  | 18,615 |  | 6,146 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |  | 18,120 |  | 6,014 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | 495 |  | 132 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost |  | 3,010 |  | 4,565 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |  | 2,844 |  | 4,342 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss |  | 163 |  | 226 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost |  | 21,625 |  | 10,711 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value |  | 20,964 |  | 10,356 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss |  | 658 |  | 358 |
Equity Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Equity Securities, Amortized Cost Basis |  | 842 |  | 676 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax |  | 38 |  | 50 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax |  | (41) |  | (27) |
Available-for-sale Securities, Equity Securities |  | 839 |  | 699 |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1],[5] | 0 |  | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |  |  |  |  |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Amortized Cost | [4] | 480 |  | 172 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | [4] | 449 |  | 160 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | [4] | 31 |  | 12 |
Available-for-sale Securities Continuous Unrealized Loss Position Twelve Months or Longer Amortized Cost | [4] | 62 |  | 102 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | [4] | 52 |  | 87 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | [4] | 10 |  | 15 |
Available-for-sale Securities Continuous Unrealized Loss Position Amortized Cost | [4] | 542 |  | 274 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | [4] | 501 |  | 247 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | [4] | 41 |  | 27 |
Available-for-sale Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Securities |  | 60,035 |  |  |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | [1] | 11 |  | 11 |
Equity Securities [Member] |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |
Available-for-sale Equity Securities, Amortized Cost Basis |  | 293 |  | 351 |
Available-for-sale Securities, Equity Securities |  | 282 |  | $ 348 |
Fixed Maturities [Member] |  |  |  |  |
Available-for-sale Securities Pledged as Collateral for Parenthetical Disclosure [Abstract] |  |  |  |  |
Available-for-sale Securities Pledged as Collateral |  | 440 |  |  |
Cash [Member] |  |  |  |  |
Available-for-sale Securities Pledged as Collateral for Parenthetical Disclosure [Abstract] |  |  |  |  |
Available-for-sale Securities Pledged as Collateral |  | $ 5 |  |  |
[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 December 31, 2015 and 2014.
[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] | As of December 31, 2015 and 2014, excludes equity securities, FVO which are included in equity securities, AFS on the Consolidated Balance Sheets.
[5] | Excludes equity securities, FVO with a cost and fair value of $293 and $282, respectively, as of December 31, 2015, and $351 and $348 as of December 31, 2014.

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- Definition Available-for-sale securities continuous unrealized loss position twelve months or longer amortized cost. + References No definition available. + Details
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- Definition Available-for-sale securities continuous unrealized loss position less than twelve months, amortized cost. + References No definition available. + Details
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- Definition Percentage of gross unrealized losses depressed less than twenty percent of cost or amortized cost. + References No definition available. + Details
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- Definition The maturity date range of the underlying investments reported on the Schedule of Investments. + References No definition available. + Details
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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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