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INCOME TAXES - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013 Rate
Estimated annual effective tax rate for our Taxable REIT Subsidiary	32.00%
Income tax credit (charge) that is excluded from the company's effective income tax rate	$ 0
Unrecognized tax benefits that may be recognized within the next twelve months	$ 160

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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