VARIABLE INTEREST ENTITIES - Classifications of Consolidated VIE Assets and Liabilities (Details) $ in Millions	Sep. 30, 2019 USD ($)
Variable Interest Entity [Line Items]
VIE Assets	$ 1,653
VIE Liabilities	1,682
Debt
Variable Interest Entity [Line Items]
VIE Liabilities	1,680
Vacation ownership notes receivable, net of reserves
Variable Interest Entity [Line Items]
VIE Assets	1,586
Interest receivable
Variable Interest Entity [Line Items]
VIE Assets	12
Restricted cash
Variable Interest Entity [Line Items]
VIE Assets	55
Interest payable
Variable Interest Entity [Line Items]
VIE Liabilities	2
Vacation Ownership Notes Receivable Securitizations
Variable Interest Entity [Line Items]
VIE Assets	1,590
VIE Liabilities	1,626
Vacation Ownership Notes Receivable Securitizations \| Debt
Variable Interest Entity [Line Items]
VIE Liabilities	1,624
Vacation Ownership Notes Receivable Securitizations \| Vacation ownership notes receivable, net of reserves
Variable Interest Entity [Line Items]
VIE Assets	1,525
Vacation Ownership Notes Receivable Securitizations \| Interest receivable
Variable Interest Entity [Line Items]
VIE Assets	11
Vacation Ownership Notes Receivable Securitizations \| Restricted cash
Variable Interest Entity [Line Items]
VIE Assets	54
Vacation Ownership Notes Receivable Securitizations \| Interest payable
Variable Interest Entity [Line Items]
VIE Liabilities	2
Warehouse Credit Facility
Variable Interest Entity [Line Items]
VIE Assets	63
VIE Liabilities	56
Warehouse Credit Facility \| Debt
Variable Interest Entity [Line Items]
VIE Liabilities	56
Warehouse Credit Facility \| Vacation ownership notes receivable, net of reserves
Variable Interest Entity [Line Items]
VIE Assets	61
Warehouse Credit Facility \| Interest receivable
Variable Interest Entity [Line Items]
VIE Assets	1
Warehouse Credit Facility \| Restricted cash
Variable Interest Entity [Line Items]
VIE Assets	1
Warehouse Credit Facility \| Interest payable
Variable Interest Entity [Line Items]
VIE Liabilities	$ 0

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (bb)
-URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5710-111685

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- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

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- Definition

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+ References

No definition available.

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