VACATION OWNERSHIP NOTES RECEIVABLE - Legacy-ILG Vacation Ownership Notes Receivable, Brand and FICO score prior year (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	$ 398	$ 439
Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	29
Acquired | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	24	26
Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	211	230
Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	158	177
Acquired | 700 +
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	193	216
Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	15
Acquired | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	13	15
Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	87	95
Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	91	103
Acquired | 600 - 699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	139	151
Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	10
Acquired | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	9	10
Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	77	83
Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	52	57
Acquired | (less than) 600
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	19	20
Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
Acquired | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1	1
Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	14	15
Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	4	4
Acquired | No Score
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	47	52
Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
Acquired | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1	0
Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	33	37
Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	11	13
Legacy-ILG
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	828	867
Legacy-ILG | Originated
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	430	428
Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	23	22
Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	227	208
Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	180	198
Legacy-ILG | Originated | 700 +
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	221	235
Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	15	16
Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	101	97
Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	105	122
Legacy-ILG | Originated | 600 - 699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	127	113
Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	7	6
Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	69	61
Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	51	46
Legacy-ILG | Originated | (less than) 600
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	22	18
Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1	0
Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	16	13
Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	5	5
Legacy-ILG | Originated | No Score
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	60	62
Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0	0
Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	41	37
Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	19	$ 25
2020 | Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	5
2020 | Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	51
2020 | Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	42
2020 | Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2020 | Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	23
2020 | Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	24
2020 | Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
2020 | Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	15
2020 | Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	10
2020 | Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
2020 | Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	4
2020 | Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2020 | Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2020 | Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	9
2020 | Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	6
2019 | Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	14
2019 | Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	139
2019 | Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	113
2019 | Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	10
2019 | Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	61
2019 | Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	66
2019 | Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	4
2019 | Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	42
2019 | Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	33
2019 | Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	10
2019 | Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2019 | Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2019 | Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	26
2019 | Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	11
2018 | Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	5
2018 | Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	62
2018 | Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	42
2018 | Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2018 | Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	25
2018 | Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	25
2018 | Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2018 | Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	20
2018 | Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	12
2018 | Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2018 | Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	8
2018 | Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2018 | Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2018 | Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	9
2018 | Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2018 | Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	4
2018 | Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	37
2018 | Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	25
2018 | Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2018 | Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	17
2018 | Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	15
2018 | Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2018 | Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	12
2018 | Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	8
2018 | Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2018 | Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2018 | Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2018 | Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2018 | Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	6
2018 | Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2017 | Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	5
2017 | Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	56
2017 | Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	42
2017 | Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2017 | Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	24
2017 | Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	25
2017 | Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2017 | Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	20
2017 | Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	14
2017 | Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2017 | Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
2017 | Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	9
2017 | Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2017 | Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2017 | Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	5
2016 | Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	35
2016 | Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	27
2016 | Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2016 | Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	15
2016 | Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	15
2016 | Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2016 | Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	13
2016 | Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	10
2016 | Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
2016 | Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	6
2016 | Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2016 | Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2016 | Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Acquired | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	14
2015 & Prior | Acquired | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	58
2015 & Prior | Acquired | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	47
2015 & Prior | Acquired | 700 + | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	6
2015 & Prior | Acquired | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	23
2015 & Prior | Acquired | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	26
2015 & Prior | Acquired | 600 - 699 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	4
2015 & Prior | Acquired | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	24
2015 & Prior | Acquired | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	16
2015 & Prior | Acquired | (less than) 600 | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
2015 & Prior | Acquired | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	2
2015 & Prior | Acquired | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	1
2015 & Prior | Acquired | No Score | Hyatt and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	3
2015 & Prior | Acquired | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	9
2015 & Prior | Acquired | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	4
2015 & Prior | Legacy-ILG | Originated | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | 700 + | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | 700 + | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | 700 + | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | 600 - 699 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | 600 - 699 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | 600 - 699 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | (less than) 600 | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | (less than) 600 | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | (less than) 600 | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | No Score | Hyatt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | No Score | Sheraton
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	0
2015 & Prior | Legacy-ILG | Originated | No Score | Westin
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total vacation ownership notes receivable	$ 0