REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ 1,541 | $ 851 | $ 4,303 | $ 1,952 |
Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 309 | 263 | 911 | 558 |
Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 204 | 162 | 570 | 335 |
Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 69 | 64 | 225 | 127 |
Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 36 | 37 | 116 | 96 |
Net management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 215 | 104 | 555 | 243 |
Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 224 | 113 | 582 | 269 |
Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 84 | 50 | 223 | 110 |
Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 43 | 10 | 128 | 30 |
Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 52 | 36 | 139 | 82 |
Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 45 | 17 | 92 | 47 |
Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (9) | (9) | (27) | (26) |
Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 244 | 0 | 746 | 0 |
Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 68 | 28 | 206 | 69 |
Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 705 | 456 | 1,885 | 1,082 |
Operating Segments | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 300 | 268 | 912 | 569 |
Operating Segments | Owned and leased hotels | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 300 | 268 | 912 | 569 |
Operating Segments | Owned and leased hotels | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 196 | 167 | 572 | 346 |
Operating Segments | Owned and leased hotels | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 69 | 64 | 225 | 127 |
Operating Segments | Owned and leased hotels | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 35 | 37 | 115 | 96 |
Operating Segments | Owned and leased hotels | Net management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | Management, franchise, 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 fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | Owned and leased hotels | 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 | |
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 | 764 | 516 | 2,060 | 1,201 |
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, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 122 | 80 | 337 | 175 |
Operating Segments | Americas management and franchising | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 127 | 85 | 354 | 189 |
Operating Segments | Americas management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 60 | 41 | 167 | 87 |
Operating Segments | Americas management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 15 | 6 | 45 | 11 |
Operating Segments | Americas management and franchising | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 49 | 35 | 133 | 80 |
Operating Segments | Americas management and franchising | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 3 | 3 | 9 | 11 |
Operating Segments | Americas management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (5) | (5) | (17) | (14) |
Operating Segments | Americas management and franchising | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | | 0 | |
Operating Segments | Americas management and franchising | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 28 | 24 | 91 | 60 |
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 | 614 | 412 | 1,632 | 966 |
Operating Segments | ASPAC management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 62 | 41 | 155 | 118 |
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, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 25 | 15 | 55 | 48 |
Operating Segments | ASPAC management and franchising | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 26 | 16 | 58 | 51 |
Operating Segments | ASPAC management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 12 | 10 | 28 | 27 |
Operating Segments | ASPAC management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 11 | 4 | 21 | 15 |
Operating Segments | ASPAC management and franchising | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 1 | 0 | 2 | 1 |
Operating Segments | ASPAC management and franchising | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 2 | 2 | 7 | 8 |
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 | |
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 | 37 | 26 | 100 | 70 |
Operating Segments | EAME/SW Asia management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 55 | 27 | 131 | 62 |
Operating Segments | EAME/SW Asia management and franchising | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME/SW Asia management and franchising | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME/SW Asia management and franchising | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME/SW Asia management and franchising | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME/SW Asia management and franchising | Net management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 28 | 9 | 60 | 16 |
Operating Segments | EAME/SW Asia management and franchising | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 30 | 12 | 66 | 25 |
Operating Segments | EAME/SW Asia management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 11 | 7 | 28 | 13 |
Operating Segments | EAME/SW Asia management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 8 | 3 | 23 | 8 |
Operating Segments | EAME/SW Asia management and franchising | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 2 | 1 | 4 | 1 |
Operating Segments | EAME/SW Asia management and franchising | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 9 | 1 | 11 | 3 |
Operating Segments | EAME/SW Asia management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (2) | (3) | (6) | (9) |
Operating Segments | EAME/SW Asia management and franchising | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | | 0 | |
Operating Segments | EAME/SW Asia management and franchising | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Operating Segments | EAME/SW Asia management and franchising | Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 27 | 18 | 71 | 46 |
Operating Segments | Apple Leisure Group | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 363 | | 1,057 | |
Operating Segments | Apple Leisure Group | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 16 | 0 | 20 | 0 |
Operating Segments | Apple Leisure Group | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 15 | | 19 | |
Operating Segments | Apple Leisure Group | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | | 0 | |
Operating Segments | Apple Leisure Group | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 1 | | 1 | |
Operating Segments | Apple Leisure Group | Net management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 39 | | 105 | |
Operating Segments | Apple Leisure Group | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 40 | 0 | 106 | 0 |
Operating Segments | Apple Leisure Group | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 10 | | 27 | |
Operating Segments | Apple Leisure Group | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 12 | | 48 | |
Operating Segments | Apple Leisure Group | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | | 0 | |
Operating Segments | Apple Leisure Group | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 18 | | 31 | |
Operating Segments | Apple Leisure Group | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (1) | 0 | (1) | 0 |
Operating Segments | Apple Leisure Group | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 244 | 0 | 746 | 0 |
Operating Segments | Apple Leisure Group | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 37 | 0 | 104 | 0 |
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 | 27 | 0 | 82 | 0 |
Corporate and other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 16 | 14 | 43 | 33 |
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, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 13 | 11 | 34 | 25 |
Corporate and other | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 13 | 11 | 34 | 25 |
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 fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Corporate and other | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 13 | 11 | 34 | 25 |
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 | |
Corporate and other | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 3 | 3 | 9 | 8 |
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 | 0 | 0 |
Eliminations | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (19) | (15) | (55) | (31) |
Eliminations | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (7) | (5) | (21) | (11) |
Eliminations | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (7) | (5) | (21) | (11) |
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, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (12) | (11) | (36) | (21) |
Eliminations | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (12) | (11) | (36) | (21) |
Eliminations | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (9) | (8) | (27) | (17) |
Eliminations | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (3) | (3) | (9) | (4) |
Eliminations | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 0 | 0 | 0 |
Eliminations | 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 | |
Eliminations | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | 1 | 2 | 1 |
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) | (5) | (21) | (11) |
Eliminations | Americas management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (9) | (10) | (30) | (20) |
Eliminations | EAME/SW Asia management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ (3) | $ (1) | $ (6) | $ (1) |