Income Taxes (Details) (USD $)	6 Months Ended		12 Months Ended	6 Months Ended			12 Months Ended
Income Taxes (Details) (USD $)	Jun. 30, 2011	Jun. 30, 2011 IRS [Member]	Dec. 31, 2012 IRS [Member]	Jun. 30, 2011 New York State And New York City [Member]	Jun. 30, 2011 U.K. [Member]	Jun. 30, 2011 Japan [Member]	Dec. 31, 2010 Revel [Member]
Tax years open for audit		2006 – 2008	1999 – 2005	2007 – 2009	2008	2007 – 2008
Tax benefit resulting from change in valuation allowance	$ 447,000,000
Loss due to writedowns and related costs							$ 1,200,000,000

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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