v3.8.0.1

Derivative Instruments (Gross Notional Amount and Fair Value of Derivatives Contracts) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Derivative [Line Items] |  |
Notional | $ 392,399 | $ 366,091
Assets | 10,807 | 13,088
Liabilities | (5,955) | (6,290)
Net Embedded Derivative Liability | 8,748 | 8,252
Derivatives Designated as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 21,481 | 16,021
Assets | 1,037 | 1,976
Liabilities | (831) | (166)
Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 370,918 | 350,070
Assets | 9,770 | 11,112
Liabilities | (5,124) | (6,124)
Interest Rate Swaps | Derivatives Designated as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 3,204 | 1,117
Assets | 271 | 17
Liabilities | (88) | (111)
Interest Rate Swaps | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 158,552 | 162,131
Assets | 7,958 | 8,969
Liabilities | (3,509) | (4,274)
Interest Rate Futures | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 23,792 | 31,183
Assets | 25 | 55
Liabilities | (1) | (1)
Interest Rate Options | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 18,456 | 13,290
Assets | 167 | 289
Liabilities | (203) | (132)
Interest Rate Forwards | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 1,498 | 321
Assets | 6 | 0
Liabilities | (2) | (1)
Foreign Currency Forwards | Derivatives Designated as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 545 | 167
Assets | 0 | 3
Liabilities | (8) | (1)
Foreign Currency Forwards | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 23,905 | 21,042
Assets | 164 | 372
Liabilities | (254) | (892)
Foreign Currency Options | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 59 | 93
Assets | 0 | 0
Liabilities | 0 | 0
Foreign Currency Swaps | Derivatives Designated as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 17,732 | 14,737
Assets | 766 | 1,956
Liabilities | (735) | (54)
Foreign Currency Swaps | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 13,777 | 12,336
Assets | 822 | 1,218
Liabilities | (414) | (311)
Credit Default Swaps | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 1,314 | 918
Assets | 21 | 1
Liabilities | (5) | (25)
Equity Futures | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 710 | 1,371
Assets | 2 | 0
Liabilities | (2) | (5)
Equity Options | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 36,007 | 12,020
Assets | 588 | 102
Liabilities | (364) | (93)
Total Return Swaps | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 15,558 | 18,167
Assets | 17 | 101
Liabilities | (369) | (390)
Commodity Futures | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 0 | 1
Assets | 0 | 0
Liabilities | 0 | 0
Synthetic GICs | Derivatives Not Qualifying as Hedge Accounting Instruments: |  |
Derivative [Line Items] |  |
Notional | 77,290 | 77,197
Assets | 0 | 5
Liabilities | $ (1) | $ 0

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