XML 61 R56.htm IDEA: XBRL DOCUMENT v2.4.0.8
Discontinued Operations - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
0 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Mar. 29, 2013
Insurance business [Member]
Dec. 31, 2012
Insurance business [Member]
Dec. 31, 2013
Insurance business [Member]
Jun. 30, 2012
Card and Retail Services [Member]
May 02, 2012
Card and Retail Services [Member]
Dec. 31, 2012
Card and Retail Services [Member]
HSBC USA, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Lower of amortized cost or fair value less cost to sell adjustment, before tax   $ 119        
Lower of amortized cost or fair value less cost to sell adjustment, after tax   90        
Available-for-sale securities   1,411 0      
Insurance policy and claim reserves   988 0      
Proceeds from divestiture of businesses 153     11,786    
Sold business, premium percentage of receivables         8.75%  
Pre-tax gain 21     2,178    
After-tax gain 13     1,421    
Gain on sale of intangible assets           $ 79