Debt & Non-recourse Debt - Schedule of Outstanding Borrowings (Details) - USD ($) $ in Millions		Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt, gross	[1]	$ 2,974		$ 1,164
Less: unamortized deferred financing costs and discount	[2],[3]	(61)		(5)
Long-term debt	[2],[3]	2,913		1,159
Revolving Credit Facility
Debt Instrument [Line Items]
Less: unamortized deferred financing costs and discount		(5)
Revolver with a rate of 2.11%, Due 2028 [Member] | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	[1]	300		0
Senior notes with a rate of 5.000%, due 2029
Debt Instrument [Line Items]
Long-term debt, gross			$ 850
Senior notes with a rate of 4.875%, due 2031
Debt Instrument [Line Items]
Long-term debt, gross			500
Line of Credit
Debt Instrument [Line Items]
Less: unamortized deferred financing costs and discount		(33)		(1)
Line of Credit | Term loan with a rate of 3.50%, Due 2028
Debt Instrument [Line Items]
Long-term debt, gross	[1]	1,297		0
Line of Credit | Senior notes with a rate of 6.125%, due 2024
Debt Instrument [Line Items]
Long-term debt, gross	[1]	0		300
Line of Credit | Senior notes with a rate of 5.000%, due 2029
Debt Instrument [Line Items]
Long-term debt, gross	[1]	850		0
Senior Notes
Debt Instrument [Line Items]
Less: unamortized deferred financing costs and discount		(22)	$ (24)	(4)
Senior Notes | Term loan with a rate of 2.25%, Due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	[1]	0		177
Senior Notes | Revolver with a rate of 2.25%, Due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	[1]	0		660
Senior Notes | Senior notes with a rate of 4.875%, due 2031
Debt Instrument [Line Items]
Long-term debt, gross	[1]	500		0
Senior Notes | Other Debt [Member]
Debt Instrument [Line Items]
Long-term debt, gross	[1]	27		27
Senior Notes | Securitized Debt with a weighted average rate of 3.658%, due 2039
Debt Instrument [Line Items]
Long-term debt, gross	[4]	193		251
Senior Notes | Diamond Resorts Owner Trust 2017 with a weighted average rate of 3.504%, due 2029
Debt Instrument [Line Items]
Long-term debt, gross	[4]	41		0
Senior Notes | Diamond Resorts Owner Trust 2018 with a weighted average rate of 4.061%, due 2031
Debt Instrument [Line Items]
Long-term debt, gross	[4]	92		0
Non-recourse Debt
Debt Instrument [Line Items]
Long-term debt, gross	[4]	1,334		775
Less: unamortized deferred financing costs and discount	[5]	(6)		(9)
Long-term debt	[5]	1,328		766
Non-recourse Debt | Timeshare Facility with an average rate of 1.017%, due 2023
Debt Instrument [Line Items]
Long-term debt, gross	[4]	131		0
Non-recourse Debt | Securitized Debt with an average rate of 2.711%, due 2028
Debt Instrument [Line Items]
Long-term debt, gross	[4]	70		106
Non-recourse Debt | Securitized Debt with an average rate of 3.602%, due 2032
Debt Instrument [Line Items]
Long-term debt, gross	[4]	143		202
Non-recourse Debt | Securitized Debt with a weighted average rate of 2.431%, due 2033
Debt Instrument [Line Items]
Long-term debt, gross	[4]	151		216
Non-recourse Debt | Diamond Resorts Premium Yield Facility with an average rate of 4.766%, due 2031
Debt Instrument [Line Items]
Long-term debt, gross	[4]	8		0
Non-recourse Debt | Diamond Resorts Conduit Facility with an average rate of 2.250%, due 2023
Debt Instrument [Line Items]
Long-term debt, gross	[4]	125		0
Non-recourse Debt | Diamond Resorts Conduit Facility with an average rate of 3.000%, due 2024
Debt Instrument [Line Items]
Long-term debt, gross	[4]	8		0
Non-recourse Debt | Diamond Resorts Owner Trust 2019 with a weighted average rate of 3.277%, due 2032
Debt Instrument [Line Items]
Long-term debt, gross	[4]	148		0
Non-recourse Debt | Diamond Resorts Owner Trust 2021 with a weighted average rate of 2.160%, due 2032
Debt Instrument [Line Items]
Long-term debt, gross	[4]	$ 224		$ 0

[1] As of December 31, 2021 and 2020, weighted-average interest rates were 4.052% and 3.357% , respectively.

[2] Amount does not include deferred financing costs of $5 and $4 million as of December 31, 2021 and 2020, respectively, relating to our revolving facility included in Other Assets in our consolidated balance sheets.

[3] Amount includes deferred financing costs related to our term loan and senior notes of $33 million and $22 million, respectively, as of December 31, 2021 and $1 million and $4 million, respectively, as of December 31, 2020. This amount also includes original issuance discounts of $6 million as of December 31, 2021.

[4] As of December 31, 2021 and 2020, weighted-average interest rates were 2.876 percent and 3.173 percent, respectively.

[5] Amount relates to Securitized Debt only and does not include deferred financing costs of $2 million and $3 million as of December 31, 2021 and 2020, respectively, relating to our Timeshare Facility included in Other Assets in our consolidated balance sheets.