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Derivatives Instruments Level 4 Non-qualifying Strategies for Hedge Accounting (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Maximum Aggregate Principal Amount of Junior Subordinated Notes | $ 0 |  | $ 0 |  |
Derivative, Notional Amount | 52,286 |  | 52,286 |  | $ 56,216
Derivative, Fair Value, Net | (498) |  | (498) |  | (1,001)
Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (58) | $ (35) | (145) | $ (22) |
Derivative, Notional Amount | 48,132 |  | 48,132 |  | 52,537
Derivative, Fair Value, Net | (479) |  | (479) |  | (907)
Interest Rate Swap [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 9,900 |  | 9,900 |  | 10,600
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (9) | (2) | (3) | (22) |
Derivative, Notional Amount | 11,228 |  | 11,228 |  | 11,743
Derivative, Fair Value, Net | (476) |  | (476) |  | (890)
Currency Swap [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 165 |  | 165 |  | 1,064
Derivative, Fair Value, Net | (1) |  | (1) |  | 68
Fixed Annuity Hedging Instruments [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (3) | 13 | 8 | 109 |
Credit Default Swap, Buying Protection [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 144 |  | 144 |  | 209
Derivative, Fair Value, Net | (3) |  | (3) |  | (4)
Credit Default Swap, Selling Protection [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 1,105 |  | 1,105 |  | 1,309
Derivative, Fair Value, Net | 4 |  | 4 |  | 10
Equity Contract [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (3) | (2) | (7) | 15 |
Derivative, Notional Amount | 167 |  | 167 |  | 105
Derivative, Fair Value, Net | 2 |  | 2 |  | 0
GMWB Product Derivatives [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 58 | 87 | 198 | (22) |
Derivative, Notional Amount | 11,797 |  | 11,797 |  | 13,114
Derivative, Fair Value, Net | (93) |  | (93) |  | (241)
GMWB Reinsurance [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (9) | (15) | (33) | (2) |
Derivative, Notional Amount | 2,450 |  | 2,450 |  | 2,709
Derivative, Fair Value, Net | 51 |  | 51 |  | 73
GMWB Hedging Instruments [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 9,391 |  | 9,391 |  | 10,256
Derivative, Fair Value, Net | 65 |  | 65 |  | 94
GMWB Hedging Instruments [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (34) | (66) | (112) | 16 |
Derivative, Notional Amount | 9,391 |  | 9,391 |  | 10,256
Derivative, Fair Value, Net | 65 |  | 65 |  | 94
Macro Hedge Program [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (65) | (64) | (189) | (98) |
Derivative, Notional Amount | 8,157 |  | 8,157 |  | 6,532
Derivative, Fair Value, Net | 166 |  | 166 |  | 178
Put Option [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Maximum Aggregate Principal Amount of Junior Subordinated Notes | 0 |  | 0 |  |
Put Option [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 0 | (1) | (1) | (4) |
Derivative, Notional Amount | 0 |  | 0 |  | 500
Derivative, Fair Value, Net | 0 |  | 0 |  | 1
Coinsurance and Modified Coinsurance Reinsurance Contracts [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | 57 |  | 57 |  | 68
Coinsurance and Modified Coinsurance Reinsurance Contracts [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Invested Assets Suppoting Modco | 882 |  | 882 |  | 875
Foreign Exchange Forward [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net |  |  |  | 138 |
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (3) | 17 | (9) | 134 |
Other Contract [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 0 | (1) | (10) | (48) |
GMWB Hedging Instruments [Member] | Swap [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 5,035 |  | 5,035 |  | 5,191
GMWB Hedging Instruments [Member] | Interest Rate Swap [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 2,986 |  | 2,986 |  | 3,703
GMWB Hedging Instruments [Member] | Equity Contract [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 1,370 |  | 1,370 |  | 1,362
Fair Value Hedging [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (50) | (58) | (136) | (106) |
Fair Value Hedging [Member] | Swap [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | 62 |  | 62 |  | 100
Fair Value Hedging [Member] | Interest Rate Swap [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | 44 |  | 44 |  | 21
Fair Value Hedging [Member] | Equity Contract [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | (41) |  | (41) |  | (27)
Credit Default Swap, Buying Protection [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | 10 | (12) | 40 | (19) |
Credit Default Swap, Selling Protection [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 2,026 |  | 2,026 |  | $ 2,968
Credit Default Swap, Selling Protection [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (3) | 24 | (19) | 28 |
Other Credit Derivatives [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | (5) | 6 | 0 | (50) |
Currency Swap [Member] | Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | $ 0 | $ 4 | $ (17) | $ 25 |

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