Pending Acquisition (Details) (Harrah's St. Louis gaming and lodging facility, USD $) In Millions, unless otherwise specified	1 Months Ended
May 31, 2012 sqft item	May 07, 2012 acre miles
Harrah's St. Louis gaming and lodging facility
Pending acquisition
Percentage of voting interest to be acquired		100.00%
Purchase price of the entity to be acquired		$ 610
Location of facility in distance from major metropolitan area (in miles)		22
Size of property where facility is located (in acres)		294
Area of gaming space at facility (in square feet)	109,000
Number of slot machines at facility	2,100
Number of table games at facility	59
Number of poker tables at facility	21
Number of guestroom hotels at facility	500
Number of dining and entertainment venues, structured and surface parking at the facility	9

Represents the number of acres of land the acquired facility is situated on.

No definition available.

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- Definition

Represents the area of gaming space at the acquired facility.

+ References

No definition available.

+ Details

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- Definition

Represents the number of dining and entertainment venues at the facility.

+ References

No definition available.

+ Details

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- Definition

Represents the number of guestroom hotels at the acquired facility.

+ References

No definition available.

+ Details

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- Definition

Represents the location of an acquired entity in number of miles from a specified location.

+ References

No definition available.

+ Details

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- Definition

Represents the number of poker tables at the acquired facility.

+ References

No definition available.

+ Details

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- Definition

Represents the number of slot machines at the acquired facility.

+ References

No definition available.

+ Details

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- Definition

Represents the number of table games at the acquired facility.

+ References

No definition available.

+ Details

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-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.

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- Definition

Percentage of voting equity interests acquired in the business combination.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph c

-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 FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

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