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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Statement of Comprehensive Income [Abstract]        
Net income $ 471 $ 68 $ 1,352 $ 194
Other comprehensive income (loss), net of taxes:        
Foreign currency translation adjustments, net of tax of $1 and $4 for the three and nine months ended September 30, 2024, respectively, and $1 and $— for the three and nine months ended September 30, 2023, respectively 29 (26) (24) 8
Derivative instrument adjustments, net of tax of $— and $(1) for the three and nine months ended September 30, 2024, respectively, and $— and $(1) for the three and nine months ended September 30, 2023, respectively 1 3 2 5
Pension liabilities adjustments, net of tax of $— for the three and nine months ended September 30, 2024 and September 30, 2023 0 0 (2) 0
Available-for-sale debt securities unrealized fair value adjustments, net of tax of $(4) and $(3) for the three and nine months ended September 30, 2024, respectively, and $(2) for both the three and nine months ended September 30, 2023 13 5 9 5
Other comprehensive income (loss) 43 (18) (15) 18
Comprehensive income 514 50 1,337 212
Comprehensive income attributable to noncontrolling interests 0 0 0 0
Comprehensive income attributable to Hyatt Hotels Corporation $ 514 $ 50 $ 1,337 $ 212