Inventory (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2014	Dec. 31, 2013
Real Estate, Inventory [Line Items]
Transferred property and equipment to VOI inventory	$ 18
Inventory sold, outstanding obligation	132	129
Inventory sold, outstanding obligation, current	56	47
Inventory sold, outstanding obligation, non-current	76	82
Las Vegas, Nevada Inventory Sale [Member]
Real Estate, Inventory [Line Items]
Inventory sale, note receivable	$ 31	$ 30
Note receivable, interest rate	3.00%

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Subparagraph 3

-Article 9

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Inventory Sold Under Agreement to Repurchase, Repurchase Liability

+ References

No definition available.

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- Definition

Inventory Sold Under Agreement to Repurchase, Repurchase Liability, Current

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Inventory Sold Under Agreement to Repurchase Repurchase Liability, Non-current

+ References

No definition available.

+ Details

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- Definition

Note Receivable, Interest Rate

+ References

No definition available.

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- Definition

Property and Equipment transferred to Inventory

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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