XML 54 R40.htm IDEA: XBRL DOCUMENT v3.5.0.2
Intangible Assets - Amortization Expense (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Years
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Years
Jun. 30, 2015
USD ($)
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense $ 27 $ 31 $ 53 $ 57
The number of succeeding years for which amortization expense is disclosed | Years 4   4  
Amortization expense for the remainder of 2016 $ 50   $ 50  
Amortization expense for the next twelve months 96   96  
Amortization expense for Year Two 94   94  
Amortization expense for Year Three 93   93  
Amortization expense for Year Four 91   91  
Amortization expense Thereafter 1,257   1,257  
Amortizable—Franchise agreements (a)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 17 16 34 33
Amortizable—License agreements (c)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 1 0 1 1
Amortizable—Customer relationships (d)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 6 7 13 14
Amortizable—Pendings and listings (f)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense 2 6 2 6
Amortizable—Other (g)        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset amortization expense $ 1 $ 2 $ 3 $ 3