v3.25.0.1
EARNINGS PER SHARE - Schedule of the Calculation of Basic and Diluted Earnings (Losses) Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Numerator:        
Net income   $ 1,296 $ 220 $ 455
Net income attributable to noncontrolling interests   0 0 0
Net income attributable to Hyatt Hotels Corporation   $ 1,296 $ 220 $ 455
Denominator:        
Basic weighted-average shares outstanding (in shares)   99,791,270 104,861,037 109,093,790
Stock-based compensation (in shares)   2,632,830 2,865,924 2,171,149
Diluted weighted-average shares outstanding (in shares)   102,424,100 107,726,961 111,264,939
Basic Earnings Per Class A and Class B Share:        
Net income (in dollars per share)   $ 12.99 $ 2.10 $ 4.17
Net income attributable to noncontrolling interests (in dollars per share)   0 0 0
Net income attributable to Hyatt Hotels Corporation (in dollars per share)   12.99 2.10 4.17
Diluted Earnings Per Class A and Class B Share:        
Net income (in dollars per share)   12.65 2.05 4.09
Net income attributable to noncontrolling interests (in dollars per share)   0 0 0
Net income attributable to Hyatt Hotels Corporation (in dollars per share)   $ 12.65 $ 2.05 $ 4.09
Shares repurchased and not settled yet (in shares) 106,116     106,116