XML 14 R112.htm IDEA: XBRL DOCUMENT v3.2.0.727
Guarantee Arrangements, Pledged Assets and Collateral - Summary of Credit Ratings of Credit Risk Related Guarantees (Detail) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions $ 117,699 $ 128,894
Credit Ratings of the Obligors or the Transactions, Total 114,653  
Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions $ 105,348  
Single name credit default swap [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Average Life in years [1] 2 years 6 months 27 days  
Credit Ratings of the Obligors or the Transactions [1] $ 85,188  
Structured CDS [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Average Life in years [1] 1 year 9 months 30 days  
Credit Ratings of the Obligors or the Transactions [1] $ 5,706  
Index credit derivatives [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Average Life in years [1] 3 years 3 months 23 days  
Credit Ratings of the Obligors or the Transactions [1] $ 10,718  
Total return swaps [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Average Life in years [1] 2 years 5 months 20 days  
Credit Ratings of the Obligors or the Transactions [1] $ 3,736  
Standby Letters of Credit [Member]    
Credit Derivatives [Line Items]    
Average Life in years [2] 1 year 10 days  
Credit Ratings of the Obligors or the Transactions [2] $ 9,305  
External Credit Rating, Investment Grade [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions, Total 85,627  
External Credit Rating, Investment Grade [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions 79,090  
External Credit Rating, Investment Grade [Member] | Single name credit default swap [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 66,677  
External Credit Rating, Investment Grade [Member] | Structured CDS [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 5,079  
External Credit Rating, Investment Grade [Member] | Index credit derivatives [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 4,002  
External Credit Rating, Investment Grade [Member] | Total return swaps [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 3,332  
External Credit Rating, Investment Grade [Member] | Standby Letters of Credit [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [2] 6,537  
External Credit Rating, Non Investment Grade [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions, Total 29,026  
External Credit Rating, Non Investment Grade [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions 26,258  
External Credit Rating, Non Investment Grade [Member] | Single name credit default swap [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 18,511  
External Credit Rating, Non Investment Grade [Member] | Structured CDS [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 627  
External Credit Rating, Non Investment Grade [Member] | Index credit derivatives [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 6,716  
External Credit Rating, Non Investment Grade [Member] | Total return swaps [Member] | Sell Protection Credit Derivatives [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [1] 404  
External Credit Rating, Non Investment Grade [Member] | Standby Letters of Credit [Member]    
Credit Derivatives [Line Items]    
Credit Ratings of the Obligors or the Transactions [2] $ 2,768  
[1] The credit ratings in the table represent external credit ratings for classification as investment grade and non-investment grade.
[2] External ratings for most of the obligors are not available. Presented above are the internal credit ratings which are developed using similar methodologies and rating scale equivalent to external credit ratings for purposes of classification as investment grade and non-investment grade.