Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v3.19.1
Commitments and Contingencies (Details)
 3 Months Ended
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2018
USD ($)
May 31, 2018
USD ($)
Loss Contingencies [Line Items]          
Litigation reserves $ 14,000,000     $ 25,000,000  
Litigation receivable covered by insurance $ 9,000,000     21,000,000  
Post-closing credit support, share of incurred losses         0.33
Guarantees, Post-closing Credit Support, Liability         $ 41,000,000
Separation and distribution agreement, assumed share of contingent liability 0.33        
Contract with Customer, Asset, Net, Current $ 20,000,000     21,000,000  
Contract liabilities 265,000,000     273,000,000  
Affiliated Entity          
Loss Contingencies [Line Items]          
Post-closing credit support, share of incurred losses         0.67
Post-closing credit support (up to)         $ 46,000,000
Guarantees, Post-closing Credit Support, Receivable $ 15,000,000        
Separation and distribution agreement, assumed share of contingent liability 0.67        
Other non-current liabilities          
Loss Contingencies [Line Items]          
Post-closing credit support (up to) $ 62,000,000       $ 62,000,000
Separation and Distribution Agreement, Contingent Liability Assumed, Remaining Amount 24,000,000     24,000,000  
Other Current Liabilities          
Loss Contingencies [Line Items]          
Separation and Distribution Agreement, Contingent Liability Assumed, Remaining Amount 11,000,000     11,000,000  
Other Current Assets          
Loss Contingencies [Line Items]          
Guarantees, Post-closing Credit Support, Liability 41,000,000        
Receivables Due From Former Parent 44,000,000     44,000,000  
Receivable          
Loss Contingencies [Line Items]          
Guarantees, Post-closing Credit Support, Receivable 24,000,000        
Maximum          
Loss Contingencies [Line Items]          
Range of possible loss, portion not accrued (up to) 5,000,000        
Wyndham Hotels & Resorts, Inc.          
Loss Contingencies [Line Items]          
Annual cap 26,000,000        
Guarantor obligations, current carrying value 25,000,000     24,000,000  
Guarantor offsetting asset carrying value 10,000,000     11,000,000  
Amortization expense, contingent asset (less than $1 million for three months ended March 31, 2018) 1,000,000 $ 1,000,000      
Guarantees subject to recapture provisions 50,000,000     46,000,000  
Wyndham Hotels & Resorts, Inc. | Other non-current liabilities          
Loss Contingencies [Line Items]          
Guarantor obligations, current carrying value 15,000,000     15,000,000  
Wyndham Hotels & Resorts, Inc. | Accrued expenses          
Loss Contingencies [Line Items]          
Guarantor obligations, current carrying value $ 10,000,000     9,000,000  
Wyndham Hotels & Resorts, Inc. | Other Current Assets          
Loss Contingencies [Line Items]          
Guarantor offsetting asset carrying value       1,000,000  
Guarantees subject to recapture provisions       1,000,000  
Wyndham Hotels & Resorts, Inc. | Other Noncurrent Assets          
Loss Contingencies [Line Items]          
Guarantor offsetting asset carrying value       10,000,000  
Guarantees subject to recapture provisions       45,000,000  
Wyndham Hotels & Resorts, Inc. | Maximum          
Loss Contingencies [Line Items]          
Guarantor obligations, term ten        
Annual cap $ 97,000,000        
Guarantees, remaining life 5 years        
Wyndham Hotels & Resorts, Inc. | Minimum          
Loss Contingencies [Line Items]          
Guarantor obligations, term nine        
Guarantees, remaining life 4 years        
Wyndham Hotels & Resorts, Inc. | Weighted Average          
Loss Contingencies [Line Items]          
Guarantor obligations, term P4Y        
Management Fee          
Loss Contingencies [Line Items]          
Contract liabilities $ 20,000,000     $ 21,000,000  
Payment Guarantee          
Loss Contingencies [Line Items]          
Post-closing credit support (up to) $ 130,000,000        
Scenario, Forecast | Receivable          
Loss Contingencies [Line Items]          
Guarantees, Post-closing Credit Support, Receivable     $ 70,000,000    
Scenario, Forecast | Accounts Payable          
Loss Contingencies [Line Items]          
Guarantees, Post-closing Credit Support, Receivable     $ 46,000,000