Quarterly report pursuant to Section 13 or 15(d)

Franchising, Marketing and Reservation Activities (Details)

v3.19.3
Franchising, Marketing and Reservation Activities (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Disaggregation of Revenue [Line Items]          
Net Revenues $ 560 $ 604 $ 1,561 $ 1,341  
Interest earned on unpaid franchisee development advance notes 0 0 1 1  
Proceeds from Development Advance Notes (less than $1 million for the three months ended September 30, 2019) 1 1 1 11  
Bad debt expense (less than $1 million for the three and nine months ended September 30, 2019) 1 1 2 1  
Development Advances 2 11 11 22  
Franchisees and hotel owners          
Disaggregation of Revenue [Line Items]          
Development advance notes 79   $ 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 5 5 $ 12 14  
Forgiveness of note receivable          
Disaggregation of Revenue [Line Items]          
Net Revenues $ 2 $ 2 $ 6 $ 5