Vacation Ownership Notes Receivable (Details 2) (USD $) In Millions, unless otherwise specified	Sep. 30, 2011
Vacation Ownership Interest [Member]
Future maturities of gross VOI notes receivable and interest rates
2011	$ 35
2012	91
2013	93
2014	93
Thereafter	449
Total gross VOI notes receivable	761
Weighted average interest rate	12.58%
Vacation Ownership Interest [Member] \| Minimum [Member]
Future maturities of gross VOI notes receivable and interest rates
Range of stated interest rates	5.00%
Vacation Ownership Interest [Member] \| Maximum [Member]
Future maturities of gross VOI notes receivable and interest rates
Range of stated interest rates	18.00%
Vacation Ownership Interest Securitized [Member]
Future maturities of gross VOI notes receivable and interest rates
2011	15
2012	64
2013	66
2014	66
Thereafter	229
Total gross VOI notes receivable	440
Weighted average interest rate	12.70%
Vacation Ownership Interest Securitized [Member] \| Minimum [Member]
Future maturities of gross VOI notes receivable and interest rates
Range of stated interest rates	5.00%
Vacation Ownership Interest Securitized [Member] \| Maximum [Member]
Future maturities of gross VOI notes receivable and interest rates
Range of stated interest rates	17.00%
Vacation Ownership Interest Unsecuritized [Member]
Future maturities of gross VOI notes receivable and interest rates
2011	20
2012	27
2013	27
2014	27
Thereafter	220
Total gross VOI notes receivable	$ 321
Weighted average interest rate	12.44%
Vacation Ownership Interest Unsecuritized [Member] \| Minimum [Member]
Future maturities of gross VOI notes receivable and interest rates
Range of stated interest rates	5.00%
Vacation Ownership Interest Unsecuritized [Member] \| Maximum [Member]
Future maturities of gross VOI notes receivable and interest rates
Range of stated interest rates	18.00%

Future Maturities of Gross Notes Receivable and Interest Rates.

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- Definition

Stated interest rate notes receivable.

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- Definition

Weighted average interest rate notes receivable.

+ Details

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- Definition

This element represents the total of all maturities of notes receivable before considering uncollectible amounts and deferred profit, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 978

-SubTopic 310

-Section 50

-Paragraph 1

-Subparagraph (a)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 04-2

-Paragraph 63

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

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-Paragraph 64

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 978

-SubTopic 310

-Section 45

-Paragraph 1

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- Definition

Aggregate total of all maturities of notes receivable after the first five years following the date of the financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 04-2

-Paragraph 63

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 04-2

-Paragraph 64

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 978

-SubTopic 310

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6498279&loc=d3e27327-108691

+ Details

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- Definition

Maturities for the fourth year following the date of the financial statements.

+ References

+ Details

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- Definition

Maturities for the first year following the date of the financial statements.

+ References

+ Details

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- Definition

Maturities for the third year following the date of the financial statements.

+ References

+ Details

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- Definition

Maturities for the second year following the date of the financial statements.

+ References

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