Schedule III - Real Estate and Accumulated Depreciation (Narratives) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013
Quantifying Misstatement in Current Year Financial Statements [Line Items]
SEC Schedule III, Real Estate, Federal Income Tax Basis	$ 3,000,000,000
Accounting for income taxes in foreign jurisdictions | Real estate
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Out-of-period adjustment	$ 1,800,000