v3.25.0.1
SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Segment Revenues to Segment Adjusted EBITDA (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information      
Segment revenues $ 6,648 $ 6,667 $ 5,891
Pro rata share of unconsolidated owned and leased hospitality ventures' Adjusted EBITDA (62) (64) (55)
Segment Adjusted EBITDA     1,105
Segment Revenues      
Segment Reporting Information      
Segment revenues 3,365 3,656 3,302
Owned and leased      
Segment Reporting Information      
Segment revenues 1,174 1,339 1,235
Reimbursed costs (925) (1,022) (916)
Distribution      
Segment Reporting Information      
Segment revenues 1,023 1,047 986
Reimbursed costs (875) (859) (775)
Operating Segments      
Segment Reporting Information      
Segment revenues 6,720 6,758 5,977
Adjusted general and administrative expenses (284) (280) (272)
Other income (expenses) (87) (327) (290)
Pro rata share of unconsolidated owned and leased hospitality ventures' Adjusted EBITDA 62 64 55
Segment Adjusted EBITDA 1,255 1,231  
Operating Segments | Management and franchising      
Segment Reporting Information      
Segment revenues 4,474 4,154 3,591
Adjusted general and administrative expenses (268) (218) (216)
Other income (expenses) (69) (143) (157)
Pro rata share of unconsolidated owned and leased hospitality ventures' Adjusted EBITDA 0 0 0
Segment Adjusted EBITDA 854 782 629
Operating Segments | Owned and leased      
Segment Reporting Information      
Segment revenues 1,197 1,368 1,263
Adjusted general and administrative expenses (10) (11) (11)
Other income (expenses) 3 6 (8)
Pro rata share of unconsolidated owned and leased hospitality ventures' Adjusted EBITDA 62 64 55
Segment Adjusted EBITDA 261 320 308
Operating Segments | Distribution      
Segment Reporting Information      
Segment revenues 1,049 1,236 1,123
Adjusted general and administrative expenses (6) (51) (45)
Other income (expenses) (21) (190) (125)
Pro rata share of unconsolidated owned and leased hospitality ventures' Adjusted EBITDA 0 0 0
Segment Adjusted EBITDA 140 129 168
Operating Segments | Segment Revenues      
Segment Reporting Information      
Segment revenues 3,437 3,747 3,388
Operating Segments | Segment Revenues | Management and franchising      
Segment Reporting Information      
Segment revenues 1,191 1,143 1,002
Operating Segments | Segment Revenues | Owned and leased      
Segment Reporting Information      
Segment revenues 1,197 1,368 1,263
Operating Segments | Segment Revenues | Distribution      
Segment Reporting Information      
Segment revenues 1,049 1,236 1,123
Operating Segments | Owned and leased      
Segment Reporting Information      
Segment revenues 1,197 1,368 1,263
Reimbursed costs (991) (1,107) (991)
Operating Segments | Owned and leased | Management and franchising      
Segment Reporting Information      
Segment revenues 0 0 0
Reimbursed costs 0 0 0
Operating Segments | Owned and leased | Owned and leased      
Segment Reporting Information      
Segment revenues 1,197 1,368 1,263
Reimbursed costs (991) (1,107) (991)
Operating Segments | Owned and leased | Distribution      
Segment Reporting Information      
Segment revenues 0 0 0
Reimbursed costs 0 0 0
Operating Segments | Distribution      
Segment Reporting Information      
Segment revenues 1,023 1,047 986
Reimbursed costs (882) (866) (785)
Operating Segments | Distribution | Management and franchising      
Segment Reporting Information      
Segment revenues 0 0 0
Reimbursed costs 0 0 0
Operating Segments | Distribution | Owned and leased      
Segment Reporting Information      
Segment revenues 0 0 0
Reimbursed costs 0 0 0
Operating Segments | Distribution | Distribution      
Segment Reporting Information      
Segment revenues 1,023 1,047 986
Reimbursed costs $ (882) $ (866) $ (785)