Timeshare Financing Receivables - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, weighted average interest rate (as a percent)	12.00%	12.00%
Financing receivable, weighted average remaining term (in years)		7 years 7 months 6 days
Timeshare financing receivable not accruing interest	$ 41,000,000	$ 41,000,000	$ 38,000,000
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	5.25%	5.25%
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	20.50%	20.50%
Timeshare Facility with an average rate of 2.12%, due 2019 | Non-recourse Debt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Line of credit facility, maximum borrowing capacity			450,000,000
Gross timeshare receivables securing the Timeshare Facility	$ 156,000,000	$ 156,000,000	$ 509,000,000
2.66% Notes | Non-recourse Debt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt instrument, face amount	$ 291,000,000
Debt instrument, stated interest rate	2.66%	2.66%
2.96% Notes | Non-recourse Debt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Debt instrument, face amount	$ 59,000,000
Debt instrument, stated interest rate	2.96%	2.96%
Securitized
Accounts, Notes, Loans and Financing Receivable [Line Items]
Timeshare financing receivables securitized	$ 357,000,000	$ 357,000,000