Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details)
 3 Months Ended 6 Months Ended
May 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
May 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Loss Contingencies [Line Items]              
Litigation reserves   $ 28,000,000   $ 28,000,000     $ 3,000,000
Litigation receivable covered by insurance   $ 25,000,000   $ 25,000,000      
Post-closing credit support, share of incurred losses           0.33  
Post-closing credit support (up to)           $ 87,000,000  
European vacation rental business, life of royalty fee       20 years      
European vacation rental business, royalty fee percentage   1.00%   1.00%      
Royalty fees   $ 1,000,000   $ 1,000,000      
Separation and distribution agreement, assumed share of contingent liability   0.33   0.33      
Remaining amount of contingent liability assumed   $ 27,000,000   $ 27,000,000      
Affiliated Entity              
Loss Contingencies [Line Items]              
Post-closing credit support, share of incurred losses           0.67  
Post-closing credit support (up to)           $ 47,000,000  
Separation and distribution agreement, assumed share of contingent liability   0.67   0.67      
La Quinta Holdings Inc.              
Loss Contingencies [Line Items]              
Total consideration $ 1,950,000,000            
Other non-current liabilities              
Loss Contingencies [Line Items]              
Post-closing credit support (up to)   $ 41,000,000   $ 41,000,000      
Remaining amount of contingent liability assumed   26,000,000   26,000,000      
Other non-current assets              
Loss Contingencies [Line Items]              
Post-closing credit support (up to)   27,000,000   27,000,000      
Other current assets              
Loss Contingencies [Line Items]              
Receivables due from former parent   32,000,000   32,000,000      
Current liabilities              
Loss Contingencies [Line Items]              
Remaining amount of contingent liability assumed   1,000,000   1,000,000      
Maximum              
Loss Contingencies [Line Items]              
Range of possible loss, portion not accrued (up to)   29,000,000   29,000,000      
Wyndham Hotels & Resorts, Inc.              
Loss Contingencies [Line Items]              
Annual cap   26,000,000   26,000,000      
Guarantor obligations, current carrying value   25,000,000   25,000,000     23,000,000
Guarantor offsetting asset carrying value   11,000,000   11,000,000     12,000,000
Amortization expense, contingent asset (less than for 6 months ended 2018 and 2017)   1,000,000 $ 1,000,000 1,000,000 $ 2,000,000    
Guarantees subject to recapture provisions   46,000,000   46,000,000      
Wyndham Hotels & Resorts, Inc. | Other non-current liabilities              
Loss Contingencies [Line Items]              
Guarantor obligations, current carrying value   16,000,000   16,000,000     16,000,000
Wyndham Hotels & Resorts, Inc. | Accrued expenses              
Loss Contingencies [Line Items]              
Guarantor obligations, current carrying value   9,000,000   9,000,000     7,000,000
Wyndham Hotels & Resorts, Inc. | Other non-current assets              
Loss Contingencies [Line Items]              
Guarantor offsetting asset carrying value   10,000,000   10,000,000     1,000,000
Guarantees subject to recapture provisions   45,000,000   45,000,000     41,000,000
Wyndham Hotels & Resorts, Inc. | Other current assets              
Loss Contingencies [Line Items]              
Guarantor offsetting asset carrying value   1,000,000   1,000,000     $ 11,000,000
Guarantees subject to recapture provisions   1,000,000   $ 1,000,000      
Wyndham Hotels & Resorts, Inc. | Minimum              
Loss Contingencies [Line Items]              
Guarantor obligations, term (in years)       nine      
Guarantees, remaining life       5 years      
Wyndham Hotels & Resorts, Inc. | Maximum              
Loss Contingencies [Line Items]              
Guarantor obligations, term (in years)       ten      
Guarantees, remaining life       6 years      
Annual cap   $ 104,000,000   $ 104,000,000      
Wyndham Hotels & Resorts, Inc. | Weighted Average              
Loss Contingencies [Line Items]              
Guarantor obligations, term (in years)       five