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Basis of Presentation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]    
Owned, leased, and other revenue $ 439 $ 204
Franchise fees 365 250
Provision for income taxes $ (120) $ (107)
Earnings per share - diluted (in USD per share) $ 0.94 $ 0.85
Excess tax benefit classified as financing activity   $ 6
Net cash provided by operating activities $ 526 394
Net cash provided by (used in) financing activities (830) (327)
Accounting Standards Update 2016-09    
Error Corrections and Prior Period Adjustments Restatement [Line Items]    
Provision for income taxes $ 43  
Earnings per share - diluted (in USD per share) $ 0.11  
Net cash provided by operating activities   (61)
Net cash provided by (used in) financing activities   61
Reclassification    
Error Corrections and Prior Period Adjustments Restatement [Line Items]    
Owned, leased, and other revenue $ (60) (43)
Franchise fees $ 60 $ 43