Debt & Non-recourse Debt - Schedule of Outstanding Borrowings (Parenthetical) (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
		Nov. 30, 2016	Dec. 31, 2019		Dec. 31, 2018		Aug. 31, 2019
Debt Instrument [Line Items]
Debt instrument, average interest rate			4.571%		5.17%
Less: unamortized deferred financing costs and discount			$ (6)	[1],[2]	$ (8)	[1],[2]	$ (4)
Revolving Credit Facility
Debt Instrument [Line Items]
Less: unamortized deferred financing costs and discount			$ (5)		$ (6)
Revolving Credit Facility | Revolver with an average rate of 3.513%, due 2023
Debt Instrument [Line Items]
Debt instrument, average interest rate			3.513%		3.513%
Debt instrument, maturity year			2023		2023
Line of Credit | Term loans with an average rate of 3.513%, due 2023
Debt Instrument [Line Items]
Debt instrument, average interest rate			3.513%		3.513%
Debt instrument, maturity year			2023		2023
Less: unamortized deferred financing costs and discount			$ (1)		$ (2)
Line of Credit | Senior notes with a rate of 6.125%, due 2024
Debt Instrument [Line Items]
Debt instrument, maturity year		2024
Debt instrument, stated interest rate		6.125%
Less: unamortized deferred financing costs and discount		$ (8)
Senior Notes | Senior notes with a rate of 6.125%, due 2024
Debt Instrument [Line Items]
Debt instrument, maturity year			2024		2024
Debt instrument, stated interest rate					6.125%
Less: unamortized deferred financing costs and discount			$ (5)		$ (6)
Non-recourse Debt
Debt Instrument [Line Items]
Debt instrument, average interest rate			2.876%		3.126%
Less: unamortized deferred financing costs and discount	[3]		$ (8)		$ (7)
Non-recourse Debt | Timeshare Facility with an average rate of 3.164%, due 2021
Debt Instrument [Line Items]
Debt instrument, average interest rate			3.164%		3.164%
Debt instrument, maturity year			2021		2021
Non-recourse Debt | Securitized Debt with a rate of 2.280%, due 2026
Debt Instrument [Line Items]
Debt instrument, maturity year			2026		2026
Debt instrument, stated interest rate			2.28%		2.28%
Non-recourse Debt | Securitized Debt with an average rate of 1.810%, due 2026
Debt Instrument [Line Items]
Debt instrument, average interest rate			1.81%		1.81%
Debt instrument, maturity year			2026		2026
Non-recourse Debt | Securitized Debt with an average rate of 2.711%, due 2028
Debt Instrument [Line Items]
Debt instrument, average interest rate			2.711%		2.711%
Debt instrument, maturity year			2028		2028
Non-recourse Debt | Securitized Debt with an average rate of 3.602%, due 2032
Debt Instrument [Line Items]
Debt instrument, average interest rate			3.602%		3.602%
Debt instrument, maturity year			2032		2032
Non-recourse Debt | Securitized Debt with an average rate of 2.431%, due 2033
Debt Instrument [Line Items]
Debt instrument, average interest rate			2.421%		2.421%
Debt instrument, maturity year			2033		2033
Non-recourse Debt | Timeshare Facility with an average rate of 3.164%, due 2021
Debt Instrument [Line Items]
Less: unamortized deferred financing costs and discount			$ (3)		$ (3)

[1] Amount does not include deferred financing costs of $5 and $6 million as of December 31, 2019 and 2018, respectively, relating to our revolving facility included in Other Assets in our consolidated balance sheets.

[2] Amount includes deferred financing costs related to our term loan and senior notes of $1 million and $5 million, respectively as of December 31, 2019 and $2 million and $6 million as of December 31, 2018.

[3] Amount relates to Securitized Debt only and does not include deferred financing costs of $3 million as of both December 31, 2019 and 2018, relating to our Timeshare Facility included in Other Assets in our consolidated balance sheets.