Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Contract Liabilities) (Details)

v3.21.1
Revenue Recognition (Contract Liabilities) (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Contract liabilities $ 238 $ 229
Deferred initial franchise fee revenues    
Disaggregation of Revenue [Line Items]    
Contract liabilities 140 136
Deferred loyalty program revenues    
Disaggregation of Revenue [Line Items]    
Contract liabilities 75 75
Deferred co-branded credit card program revenues    
Disaggregation of Revenue [Line Items]    
Contract liabilities 5 0
Deferred other revenues    
Disaggregation of Revenue [Line Items]    
Contract liabilities $ 18 $ 18