v3.26.3
BUSINESS SEGMENTS - Schedule of Reconciliation of Adjusted EBITDA to Net Income or Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Total consolidated revenues $ 1,367 $ 1,263 $ 3,944 $ 3,709
Marketing and sales (268) (234) (791) (705)
Financing (45) (38) (128) (111)
Royalty fee (29) (29) (86) (85)
Interest expense (43) (43) (130) (125)
Depreciation and amortization (33) (38) (99) (114)
Share-based compensation expense (12) (9) (34) (28)
Amortization of cloud computing software implementation costs (2) (2) (5) (4)
Certain items (13) (77) (52) (98)
Provision for income taxes (31) (3) (91) (73)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS 82 (2) 181 123
Line of Credit | Warehouse Credit Facility        
Segment Reporting [Line Items]        
Interest expense   3   10
Cost of vacation ownership products        
Segment Reporting [Line Items]        
Expenses (49) (52) (138) (135)
Management and exchange        
Segment Reporting [Line Items]        
Expenses (116) (118) (357) (356)
Rental        
Segment Reporting [Line Items]        
Expenses (143) (129) (423) (377)
Operating segments        
Segment Reporting [Line Items]        
Total consolidated revenues 1,360 1,263 3,924 3,697
Segment Adjusted EBITDA 276 216 756 719
Operating segments | Vacation Ownership        
Segment Reporting [Line Items]        
Total consolidated revenues 1,308 1,210 3,761 3,533
Marketing and sales (268) (234) (791) (705)
Financing (45) (38) (128) (111)
Royalty fee (29) (29) (86) (85)
Other segment items (446) (458) (1,282) (1,243)
Segment Adjusted EBITDA 255 195 689 647
Operating segments | Vacation Ownership | Cost of vacation ownership products        
Segment Reporting [Line Items]        
Expenses (49) (52) (138) (135)
Operating segments | Vacation Ownership | Management and exchange        
Segment Reporting [Line Items]        
Expenses (70) (72) (215) (220)
Operating segments | Vacation Ownership | Rental        
Segment Reporting [Line Items]        
Expenses (146) (132) (432) (387)
Operating segments | Exchange & Third-Party Management        
Segment Reporting [Line Items]        
Total consolidated revenues 52 53 163 164
Other segment items (3) (2) (10) (4)
Segment Adjusted EBITDA 21 21 67 72
Operating segments | Exchange & Third-Party Management | Management and exchange        
Segment Reporting [Line Items]        
Expenses (28) (30) (86) (88)
Corporate and Other        
Segment Reporting [Line Items]        
Total consolidated revenues 7 0 20 12
Corporate and other $ (60) $ (46) $ (164) $ (154)