REVENUE FROM CONTRACTS WITH CUSTOMERS- Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ 1,483 | $ 663 | $ 2,762 | $ 1,101 |
Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 331 | 191 | 602 | 295 |
Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 205 | 114 | 366 | 173 |
Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 87 | 43 | 156 | 63 |
Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 39 | 34 | 80 | 59 |
Net management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 195 | 84 | 340 | 139 |
Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 204 | 93 | 358 | 156 |
Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 79 | 36 | 139 | 60 |
Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 45 | 12 | 85 | 20 |
Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 52 | 29 | 87 | 46 |
Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 28 | 16 | 47 | 30 |
Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (9) | (9) | (18) | (17) |
Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 256 | 0 | 502 | 0 |
Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 61 | 22 | 138 | 41 |
Revenues for the reimbursement of costs incurred on behalf of managed and franchised properties | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 640 | 366 | 1,180 | 626 |
Operating Segments | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 335 | 194 | 612 | 301 |
Operating Segments | Owned and leased hotels | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 335 | 194 | 612 | 301 |
Operating Segments | Owned and leased hotels | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 209 | 117 | 376 | 179 |
Operating Segments | Owned and leased hotels | Food and beverage | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 87 | 43 | 156 | 63 |
Operating Segments | Owned and leased hotels | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 39 | 34 | 80 | 59 |
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 | 708 | 407 | 1,296 | 685 |
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 | 126 | 61 | 215 | 95 |
Operating Segments | Americas management and franchising | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 132 | 66 | 227 | 104 |
Operating Segments | Americas management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 61 | 30 | 107 | 46 |
Operating Segments | Americas management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 18 | 4 | 30 | 5 |
Operating Segments | Americas management and franchising | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 50 | 28 | 84 | 45 |
Operating Segments | Americas management and franchising | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 3 | 4 | 6 | 8 |
Operating Segments | Americas management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (6) | (5) | (12) | (9) |
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 | 25 | 19 | 63 | 36 |
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 | 557 | 327 | 1,018 | 554 |
Operating Segments | ASPAC management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 51 | 43 | 93 | 77 |
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 | 17 | 19 | 30 | 33 |
Operating Segments | ASPAC management and franchising | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 18 | 20 | 32 | 35 |
Operating Segments | ASPAC management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 8 | 9 | 16 | 17 |
Operating Segments | ASPAC management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 6 | 6 | 10 | 11 |
Operating Segments | ASPAC management and franchising | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 1 | 1 | 1 | 1 |
Operating Segments | ASPAC management and franchising | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 3 | 4 | 5 | 6 |
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 | |
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 | 34 | 24 | 63 | 44 |
Operating Segments | EAME/SW Asia management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 42 | 18 | 76 | 35 |
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 | 19 | 3 | 32 | 7 |
Operating Segments | EAME/SW Asia management and franchising | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 21 | 6 | 36 | 13 |
Operating Segments | EAME/SW Asia management and franchising | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 11 | 3 | 17 | 6 |
Operating Segments | EAME/SW Asia management and franchising | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 8 | 3 | 15 | 5 |
Operating Segments | EAME/SW Asia management and franchising | Franchise fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 1 | 0 | 2 | 0 |
Operating Segments | EAME/SW Asia management and franchising | Other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 1 | 0 | 2 | 2 |
Operating Segments | EAME/SW Asia management and franchising | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (2) | (3) | (4) | (6) |
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 | 23 | 15 | 44 | 28 |
Operating Segments | Apple Leisure Group | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 355 | | 694 | |
Operating Segments | Apple Leisure Group | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 4 | 0 | 4 | 0 |
Operating Segments | Apple Leisure Group | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 4 | | 4 | |
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 | 0 | | 0 | |
Operating Segments | Apple Leisure Group | Net management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 36 | | 66 | |
Operating Segments | Apple Leisure Group | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 36 | 0 | 66 | 0 |
Operating Segments | Apple Leisure Group | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 9 | | 17 | |
Operating Segments | Apple Leisure Group | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 17 | | 36 | |
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 | 10 | | 13 | |
Operating Segments | Apple Leisure Group | Contra revenue | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 0 | | 0 | |
Operating Segments | Apple Leisure Group | Distribution and destination management | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 256 | 0 | 502 | 0 |
Operating Segments | Apple Leisure Group | Other revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 33 | 0 | 67 | 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 | 26 | 0 | 55 | 0 |
Corporate and other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 13 | 11 | 27 | 19 |
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 | 11 | 8 | 21 | 14 |
Corporate and other | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | 11 | 8 | 21 | 14 |
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 | 11 | 8 | 21 | 14 |
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 | 2 | 3 | 6 | 5 |
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 | (21) | (10) | (36) | (16) |
Eliminations | Owned and leased hotels | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (8) | (3) | (14) | (6) |
Eliminations | Rooms revenues | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (8) | (3) | (14) | (6) |
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 | (14) | (7) | (24) | (10) |
Eliminations | Management, franchise, and other fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (14) | (7) | (24) | (10) |
Eliminations | Base management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (10) | (6) | (18) | (9) |
Eliminations | Incentive management fees | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (4) | (1) | (6) | (1) |
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 | 1 | 0 | 2 | 0 |
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) | (3) | (14) | (6) |
Eliminations | Americas management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | (12) | (7) | (21) | (10) |
Eliminations | EAME/SW Asia management and franchising | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues | $ (2) | $ 0 | $ (3) | $ 0 |