XML 105 R91.htm IDEA: XBRL DOCUMENT v3.6.0.2
Derivative Financial Instruments and Off-balance sheet Financial Instruments (Details 6)
$ in Millions
12 Months Ended
Dec. 31, 2016
USD ($)
entity
Dec. 31, 2015
USD ($)
Derivative Financial Instruments and Off-balance sheet Financial Instruments    
Term of credit default swaps 5 years  
Credit Derivatives    
Notional amount $ 3,776 $ 4,977
The number of reference entities generally included in a CDX index | entity 125  
Credit default swaps    
Credit Derivatives    
Notional amount $ 245 255
Fair value (1) (6)
Credit default swaps | Single name | Corporate    
Credit Derivatives    
Notional amount 65 75
Fair value 1 1
Credit default swaps | First-to-default Basket | Municipal    
Credit Derivatives    
Notional amount 100 100
Fair value (3) (8)
Credit default swaps | Index | Corporate    
Credit Derivatives    
Notional amount 80 80
Fair value 1 1
AA | Credit default swaps    
Credit Derivatives    
Notional amount 21 21
AA | Credit default swaps | Single name | Corporate    
Credit Derivatives    
Notional amount 20 20
AA | Credit default swaps | First-to-default Basket | Municipal    
Credit Derivatives    
Notional amount 0 0
AA | Credit default swaps | Index | Corporate    
Credit Derivatives    
Notional amount 1 1
A | Credit default swaps    
Credit Derivatives    
Notional amount 29 30
A | Credit default swaps | Single name | Corporate    
Credit Derivatives    
Notional amount 10 10
A | Credit default swaps | First-to-default Basket | Municipal    
Credit Derivatives    
Notional amount 0 0
A | Credit default swaps | Index | Corporate    
Credit Derivatives    
Notional amount 19 20
BBB | Credit default swaps    
Credit Derivatives    
Notional amount 185 197
BBB | Credit default swaps | Single name | Corporate    
Credit Derivatives    
Notional amount 35 45
BBB | Credit default swaps | First-to-default Basket | Municipal    
Credit Derivatives    
Notional amount 100 100
BBB | Credit default swaps | Index | Corporate    
Credit Derivatives    
Notional amount 50 52
BB and lower | Credit default swaps    
Credit Derivatives    
Notional amount 10 7
BB and lower | Credit default swaps | Single name | Corporate    
Credit Derivatives    
Notional amount 0 0
BB and lower | Credit default swaps | First-to-default Basket | Municipal    
Credit Derivatives    
Notional amount 0 0
BB and lower | Credit default swaps | Index | Corporate    
Credit Derivatives    
Notional amount $ 10 $ 7