XML 52 R37.htm IDEA: XBRL DOCUMENT v3.6.0.2
Card Member Receivables and Loans (Details 1) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Card Member loans        
Card Member loans $ 476 $ 435    
Less: Reserve for losses 5 4 $ 3 $ 4
Card Member loans, less reserves 471 431    
International Consumer and Network Services [Member]        
Card Member loans        
Card Member loans $ 476 $ 435