REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ 1,705 | $ 1,483 | $ 3,385 | $ 2,762 |
Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 341 | 331 | 655 | 602 |
Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 217 | 205 | 407 | 366 |
Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 84 | 87 | 169 | 156 |
Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 40 | 39 | 79 | 80 |
Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 236 | 195 | 457 | 340 |
Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 248 | 204 | 479 | 358 |
Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 96 | 79 | 187 | 139 |
Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 59 | 45 | 116 | 85 |
Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 93 | 80 | 176 | 134 |
Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (12) | (9) | (22) | (18) |
Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 273 | 256 | 601 | 502 |
Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 71 | 61 | 159 | 138 |
Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 784 | 640 | 1,513 | 1,180 |
Operating Segments | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 341 | 335 | 663 | 612 |
Operating Segments | Owned and leased hotels | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 341 | 335 | 663 | 612 |
Operating Segments | Owned and leased hotels | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 217 | 209 | 415 | 376 |
Operating Segments | Owned and leased hotels | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 84 | 87 | 169 | 156 |
Operating Segments | Owned and leased hotels | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 40 | 39 | 79 | 80 |
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 | 845 | 708 | 1,653 | 1,296 |
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 | 136 | 126 | 263 | 215 |
Operating Segments | Americas management and franchising | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 142 | 132 | 275 | 227 |
Operating Segments | Americas management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 64 | 61 | 126 | 107 |
Operating Segments | Americas management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 20 | 18 | 40 | 30 |
Operating Segments | Americas management and franchising | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 58 | 53 | 109 | 90 |
Operating Segments | Americas management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (6) | (6) | (12) | (12) |
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 | 22 | 25 | 63 | 63 |
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 | 687 | 557 | 1,327 | 1,018 |
Operating Segments | ASPAC management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 82 | 59 | 154 | 106 |
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 | 20 | 78 | 35 |
Operating Segments | ASPAC management and franchising | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 42 | 21 | 80 | 37 |
Operating Segments | ASPAC management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 17 | 10 | 33 | 18 |
Operating Segments | ASPAC management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 22 | 7 | 40 | 12 |
Operating Segments | ASPAC management and franchising | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 3 | 4 | 7 | 7 |
Operating Segments | ASPAC management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (1) | (1) | (2) | (2) |
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 | 41 | 39 | 76 | 71 |
Operating Segments | EAME management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 44 | 34 | 82 | 63 |
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 | 20 | 16 | 36 | 27 |
Operating Segments | EAME management and franchising | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 23 | 18 | 42 | 31 |
Operating Segments | EAME management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 11 | 9 | 18 | 15 |
Operating Segments | EAME management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 8 | 7 | 16 | 13 |
Operating Segments | EAME management and franchising | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 4 | 2 | 8 | 3 |
Operating Segments | EAME management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (3) | (2) | (6) | (4) |
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 | 24 | 18 | 46 | 36 |
Operating Segments | Apple Leisure Group | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 389 | 355 | 829 | 694 |
Operating Segments | Apple Leisure Group | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 7 | 4 | 7 | 4 |
Operating Segments | Apple Leisure Group | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 7 | 4 | 7 | 4 |
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 | 0 | 0 | 0 | 0 |
Operating Segments | Apple Leisure Group | Net management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 34 | 36 | 73 | 66 |
Operating Segments | Apple Leisure Group | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 36 | 36 | 75 | 66 |
Operating Segments | Apple Leisure Group | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 14 | 9 | 29 | 17 |
Operating Segments | Apple Leisure Group | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 13 | 17 | 29 | 36 |
Operating Segments | Apple Leisure Group | Franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 9 | 10 | 17 | 13 |
Operating Segments | Apple Leisure Group | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (2) | 0 | (2) | 0 |
Operating Segments | Apple Leisure Group | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 273 | 256 | 601 | 502 |
Operating Segments | Apple Leisure Group | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 43 | 33 | 84 | 67 |
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 | 32 | 26 | 64 | 55 |
Corporate and other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 25 | 13 | 47 | 27 |
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 | 19 | 11 | 35 | 21 |
Corporate and other | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 19 | 11 | 35 | 21 |
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 | 19 | 11 | 35 | 21 |
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 | 6 | 2 | 12 | 6 |
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 | (21) | (21) | (43) | (36) |
Eliminations | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (7) | (8) | (15) | (14) |
Eliminations | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (7) | (8) | (15) | (14) |
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 | (14) | (14) | (28) | (24) |
Eliminations | Management, franchise, license, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (14) | (14) | (28) | (24) |
Eliminations | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (10) | (10) | (19) | (18) |
Eliminations | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (4) | (4) | (9) | (6) |
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 | 0 | 1 | 0 | 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 | (7) | (8) | (15) | (14) |
Eliminations | Americas management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (11) | (12) | (24) | (21) |
Eliminations | EAME management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ (3) | $ (2) | $ (4) | $ (3) |