Quarterly report pursuant to Section 13 or 15(d)

Franchising, Marketing and Reservation Activities (Details)

v3.19.2
Franchising, Marketing and Reservation Activities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Disaggregation of Revenue [Line Items]          
Net Revenues $ 533 $ 435 $ 1,001 $ 737  
Bad debt expense (less than $1 million for the three and six months ended June 30, 2018) 1 1 2 1  
Proceeds from Development Advance Notes 1 2 1 10  
Development Advances 4 8 9 11  
Franchisees and hotel owners          
Disaggregation of Revenue [Line Items]          
Development advance notes 80   $ 80   $ 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 6 $ 8 9  
Forgiveness of note receivable          
Disaggregation of Revenue [Line Items]          
Net Revenues $ 2 $ 2 $ 4 $ 3