REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ 1,622 | $ 1,541 | $ 5,007 | $ 4,303 |
Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 329 | 309 | 984 | 911 |
Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 217 | 204 | 624 | 570 |
Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 73 | 69 | 242 | 225 |
Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 39 | 36 | 118 | 116 |
Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 238 | 215 | 695 | 555 |
Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 250 | 224 | 729 | 582 |
Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 94 | 84 | 281 | 223 |
Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 51 | 43 | 167 | 128 |
Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 105 | 97 | 281 | 231 |
Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (12) | (9) | (34) | (27) |
Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 222 | 244 | 823 | 746 |
Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 79 | 68 | 238 | 206 |
Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 754 | 705 | 2,267 | 1,885 |
Corporate and other | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | | |
Operating Segments | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 318 | 300 | 981 | 912 |
Operating Segments | Owned and leased hotels | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 318 | 300 | 981 | 912 |
Operating Segments | Owned and leased hotels | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 208 | 196 | 623 | 572 |
Operating Segments | Owned and leased hotels | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 73 | 69 | 242 | 225 |
Operating Segments | Owned and leased hotels | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 37 | 35 | 116 | 115 |
Operating Segments | Owned and leased hotels | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Americas management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 809 | 764 | 2,462 | 2,060 |
Operating Segments | Americas management and franchising | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Americas management and franchising | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Americas management and franchising | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Americas management and franchising | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Americas management and franchising | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 130 | 122 | 393 | 337 |
Operating Segments | Americas management and franchising | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 137 | 127 | 412 | 354 |
Operating Segments | Americas management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 63 | 60 | 189 | 167 |
Operating Segments | Americas management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 12 | 15 | 52 | 45 |
Operating Segments | Americas management and franchising | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 62 | 52 | 171 | 142 |
Operating Segments | Americas management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (7) | (5) | (19) | (17) |
Operating Segments | Americas management and franchising | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Americas management and franchising | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 20 | 28 | 83 | 91 |
Operating Segments | Americas management and franchising | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 659 | 614 | 1,986 | 1,632 |
Operating Segments | ASPAC management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 80 | 72 | 234 | 178 |
Operating Segments | ASPAC management and franchising | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | ASPAC management and franchising | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | ASPAC management and franchising | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | ASPAC management and franchising | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | ASPAC management and franchising | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 41 | 29 | 119 | 64 |
Operating Segments | ASPAC management and franchising | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 42 | 30 | 122 | 67 |
Operating Segments | ASPAC management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 17 | 14 | 50 | 32 |
Operating Segments | ASPAC management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 20 | 13 | 60 | 25 |
Operating Segments | ASPAC management and franchising | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 5 | 3 | 12 | 10 |
Operating Segments | ASPAC management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (1) | (1) | (3) | (3) |
Operating Segments | ASPAC management and franchising | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | ASPAC management and franchising | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | ASPAC management and franchising | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 39 | 43 | 115 | 114 |
Operating Segments | EAME management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 45 | 45 | 127 | 108 |
Operating Segments | EAME management and franchising | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME management and franchising | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME management and franchising | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME management and franchising | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME management and franchising | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 19 | 24 | 55 | 51 |
Operating Segments | EAME management and franchising | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 22 | 26 | 64 | 57 |
Operating Segments | EAME management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 11 | 9 | 29 | 24 |
Operating Segments | EAME management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 6 | 6 | 22 | 19 |
Operating Segments | EAME management and franchising | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 5 | 11 | 13 | 14 |
Operating Segments | EAME management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (3) | (2) | (9) | (6) |
Operating Segments | EAME management and franchising | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME management and franchising | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME management and franchising | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 26 | 21 | 72 | 57 |
Operating Segments | Apple Leisure Group | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 358 | 363 | 1,187 | 1,057 |
Operating Segments | Apple Leisure Group | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 19 | 16 | 26 | 20 |
Operating Segments | Apple Leisure Group | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 17 | 15 | 24 | 19 |
Operating Segments | Apple Leisure Group | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Apple Leisure Group | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 2 | 1 | 2 | 1 |
Operating Segments | Apple Leisure Group | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 37 | 39 | 110 | 105 |
Operating Segments | Apple Leisure Group | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 38 | 40 | 113 | 106 |
Operating Segments | Apple Leisure Group | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 13 | 10 | 42 | 27 |
Operating Segments | Apple Leisure Group | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 16 | 12 | 45 | 48 |
Operating Segments | Apple Leisure Group | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 9 | 18 | 26 | 31 |
Operating Segments | Apple Leisure Group | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (1) | (1) | (3) | (1) |
Operating Segments | Apple Leisure Group | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 222 | 244 | 823 | 746 |
Operating Segments | Apple Leisure Group | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 50 | 37 | 134 | 104 |
Operating Segments | Apple Leisure Group | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 30 | 27 | 94 | 82 |
Corporate and other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 32 | 16 | 79 | 43 |
Corporate and other | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 24 | 13 | 59 | 34 |
Corporate and other | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 24 | 13 | 59 | 34 |
Corporate and other | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 24 | 13 | 59 | 34 |
Corporate and other | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 8 | 3 | 20 | 9 |
Corporate and other | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | | | 0 | 0 |
Eliminations | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (20) | (19) | (63) | (55) |
Eliminations | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (8) | (7) | (23) | (21) |
Eliminations | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (8) | (7) | (23) | (21) |
Eliminations | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (13) | (12) | (41) | (36) |
Eliminations | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (13) | (12) | (41) | (36) |
Eliminations | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (10) | (9) | (29) | (27) |
Eliminations | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (3) | (3) | (12) | (9) |
Eliminations | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 1 | 0 | 1 | 2 |
Eliminations | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (8) | (7) | (23) | (21) |
Eliminations | Americas management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (10) | (9) | (34) | (30) |
Eliminations | EAME management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ (3) | $ (3) | $ (7) | $ (6) |