Quarterly report pursuant to Section 13 or 15(d)

Franchising, Marketing and Reservation Activities (Details)

v3.19.1
Franchising, Marketing and Reservation Activities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Disaggregation of Revenue [Line Items]      
Net Revenues $ 468 $ 302  
Bad debt expense (less than $1 million for the three months ended March 31, 2018 ) 1 1  
Proceeds from Development Advance Notes (less than $1 million for the three months ended Marc 31, 2019) 1 8  
Development Advances 6 3  
Franchisees and hotel owners      
Disaggregation of Revenue [Line Items]      
Development advance notes $ 79   $ 78
Minimum      
Disaggregation of Revenue [Line Items]      
Franchise/management agreement term 10 years    
Maximum      
Disaggregation of Revenue [Line Items]      
Franchise/management agreement term 20 years    
Initial franchise fee      
Disaggregation of Revenue [Line Items]      
Net Revenues $ 4 3  
Forgiveness of note receivable      
Disaggregation of Revenue [Line Items]      
Net Revenues $ 2 $ 1