XML 28 R37.htm IDEA: XBRL DOCUMENT v3.3.0.814
Intangible Assets - Amortization Expense (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2015
USD ($)
Years
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Years
Sep. 30, 2014
USD ($)
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense $ 33 $ 29 $ 90 $ 86
The number of succeeding years for which amortization expense is disclosed | Years 4   4  
Amortization expense for the remainder of 2015 $ 26   $ 26  
Amortization expense for the next twelve months 99   99  
Amortization expense for Year Two 95   95  
Amortization expense for Year Three 94   94  
Amortization expense for Year Four 93   93  
Amortization expense Thereafter 1,349   1,349  
Amortizable—Franchise agreements (a)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 17 17 50 50
Amortizable—License agreements (c)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 0 0 1 1
Amortizable—Customer relationships (d)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 7 9 21 28
Amortizable—Pendings and listings (f)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 8 3 14 6
Amortizable—Other (g)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense $ 1 $ 0 $ 4 $ 1