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Revenues from Contract with Customers - Contract Liabilities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Contract liabilities balance $ 1,166 $ 1,312
Cash received in advance and not recognized as revenue 138  
Revenue recognized [1],[2] (455)  
Other [3] 171  
Performance obligation satisfied in a prior period $ 25  
[1] Primarily related to Hilton Honors, including co-branded credit card arrangements.
[2] Revenue recognized during the year ended December 31, 2021 included $25 million for performance obligations that were satisfied in a prior period as a result of a change to the estimated breakage of Hilton Honors points for which point expirations have been temporarily suspended.
[3] Primarily represents changes in estimated transaction prices for our performance obligations related to points issued under Hilton Honors, which had no effect on revenues.