v3.26.1
SEGMENT INFORMATION - Schedule of Segment Adjusted EBITDA to Income Before Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting        
Total revenues $ 1,829 $ 1,808 $ 3,577 $ 3,526
Stock-based compensation expense (17) (14) (44) (45)
Transaction and integration costs (8) (82) (24) (105)
Depreciation and amortization (73) (82) (149) (162)
Equity earnings (losses) from unconsolidated hospitality ventures 11 6 (2) (6)
Interest expense (64) (74) (129) (140)
Gains (losses) on sales of real estate and other 2 (2) 2 (2)
Asset impairments (5) (10) (26) (14)
Other income (loss), net 53 29 103 72
Income before income taxes 182 38 239 90
Contra revenue        
Segment Reporting        
Total revenues (17) (15) (40) (35)
Revenues for reimbursed costs        
Segment Reporting        
Total revenues 1,023 945 1,968 1,831
Reimbursed costs        
Segment Reporting        
Reimbursed costs (1,020) (949) (1,983) (1,851)
Segment Adjusted EBITDA        
Segment Reporting        
Total revenues 1,844 1,824 3,605 3,555
Segment Adjusted EBITDA | Contra revenue        
Segment Reporting        
Total revenues (17) (15) (40) (35)
Segment Adjusted EBITDA | Revenues for reimbursed costs        
Segment Reporting        
Total revenues 1,023 945 1,968 1,831
Segment Adjusted EBITDA | Management and franchising        
Segment Reporting        
Segment Adjusted EBITDA 266 238 530 474
Total revenues 1,340 1,253 2,604 2,446
Segment Adjusted EBITDA | Management and franchising | Contra revenue        
Segment Reporting        
Total revenues (17) (15) (40) (35)
Segment Adjusted EBITDA | Management and franchising | Revenues for reimbursed costs        
Segment Reporting        
Total revenues 1,023 945 1,968 1,831
Segment Adjusted EBITDA | Owned and leased        
Segment Reporting        
Segment Adjusted EBITDA 40 47 50 62
Total revenues 279 309 502 532
Segment Adjusted EBITDA | Owned and leased | Contra revenue        
Segment Reporting        
Total revenues 0 0 0 0
Segment Adjusted EBITDA | Owned and leased | Revenues for reimbursed costs        
Segment Reporting        
Total revenues 0 0 0 0
Segment Adjusted EBITDA | Distribution        
Segment Reporting        
Segment Adjusted EBITDA 27 43 56 92
Total revenues 225 262 499 577
Segment Adjusted EBITDA | Distribution | Contra revenue        
Segment Reporting        
Total revenues 0 0 0 0
Segment Adjusted EBITDA | Distribution | Revenues for reimbursed costs        
Segment Reporting        
Total revenues 0 0 0 0
Segment Adjusted EBITDA | Segment Total        
Segment Reporting        
Segment Adjusted EBITDA 333 328 636 628
Unallocated overhead expenses        
Segment Reporting        
Segment Adjusted EBITDA (36) (42) (73) (82)
Eliminations        
Segment Reporting        
Segment Adjusted EBITDA 0 0 0 1
Total revenues (15) (16) (28) (29)
Eliminations | Contra revenue        
Segment Reporting        
Total revenues 0 0 0 0
Eliminations | Revenues for reimbursed costs        
Segment Reporting        
Total revenues 0 0 0 0
Eliminations | Management and franchising        
Segment Reporting        
Total revenues (10) (11) (19) (20)
Eliminations | Owned and leased        
Segment Reporting        
Total revenues (5) (5) (9) (9)
Eliminations | Distribution        
Segment Reporting        
Total revenues $ 0 $ 0 $ 0 $ 0