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Commitments and Contingencies - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Long-term Purchase Commitment [Line Items]    
Reasonably estimable of possible losses $ 0  
Inventories    
Long-term Purchase Commitment [Line Items]    
Purchase commitment $ 457,000,000  
Purchase commitment, period (in years) 10 years  
Vacation ownership intervals commitment $ 16,000,000 $ 66,000,000
Other Commitments    
Long-term Purchase Commitment [Line Items]    
Purchase commitment $ 16,000,000