Quarterly report pursuant to Section 13 or 15(d)

Vacation Ownership Contract Receivables (Summary Of The Aged Analysis Of Financing Receivables Using The Most Recently Updated FICO Scores) (Details)

v3.21.2
Vacation Ownership Contract Receivables (Summary Of The Aged Analysis Of Financing Receivables Using The Most Recently Updated FICO Scores) (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross [1] $ 2,857 $ 3,175
Vacation ownership contract receivable, under temporary deferment 9 37
FICO Score, Greater than 700 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross [1] 1,671 1,751
FICO Score, 600 to 699 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross [1] 796 894
Less than 600    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross [1] 133 199
No Score    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross [1] 79 106
Asia Pacific    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross [1] 178 225
Current    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 2,754 3,018
Current | FICO Score, Greater than 700 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 1,639 1,706
Current | FICO Score, 600 to 699 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 756 835
Current | Less than 600    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 108 160
Current | No Score    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 75 96
Current | Asia Pacific    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 176 221
31 - 60 days    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 49 64
31 - 60 days | FICO Score, Greater than 700 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 16 20
31 - 60 days | FICO Score, 600 to 699 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 20 25
31 - 60 days | Less than 600    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 10 13
31 - 60 days | No Score    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 2 4
31 - 60 days | Asia Pacific    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 1 2
61 - 90 days    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 27 47
61 - 90 days | FICO Score, Greater than 700 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 8 13
61 - 90 days | FICO Score, 600 to 699 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 11 18
61 - 90 days | Less than 600    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 6 12
61 - 90 days | No Score    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 1 3
61 - 90 days | Asia Pacific    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 1 1
91 - 120 days    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 27 46
91 - 120 days | FICO Score, Greater than 700 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 8 12
91 - 120 days | FICO Score, 600 to 699 [Member]    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 9 16
91 - 120 days | Less than 600    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 9 14
91 - 120 days | No Score    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross 1 3
91 - 120 days | Asia Pacific    
Financing Receivables, Recorded Investment [Line Items]    
Vacation ownership contract receivables, gross $ 0 $ 1
[1] Includes contracts under temporary deferment (up to 180 days). As of September 30, 2021 and December 31, 2020, contracts under deferment total $9 million and $37 million.