Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.8.0.1
Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2017
Jan. 31, 2018
Jun. 30, 2017
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Entity Registrant Name WYNDHAM WORLDWIDE CORP    
Entity Central Index Key 0001361658    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   99,723,476  
Entity Well-know Seasoned Issuer Yes    
Entity Public Float     $ 10,172,714,424
Entity Current Reporting Status Yes    
Entity Voluntary Filers No