Consolidated Statements of Operations and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
REVENUE:
Minimum rent	$ 3,201,958	$ 3,015,866	$ 2,664,724
Overage rent	223,473	195,726	140,842
Tenant reimbursements	1,442,907	1,340,307	1,177,269
Management fees and other revenues	126,972	128,366	128,010
Other income	174,828	199,819	195,587
Total revenue	5,170,138	4,880,084	4,306,432
EXPENSES:
Property operating	475,133	469,755	436,571
Depreciation and amortization	1,290,528	1,257,569	1,065,946
Real estate taxes	444,899	419,267	369,755
Repairs and maintenance	120,803	116,168	113,496
Advertising and promotion	126,210	118,790	107,002
Provision for credit losses	7,737	12,809	6,505
Home and regional office costs	140,931	123,926	128,618
General and administrative	59,803	57,144	46,319
Marketable and non-marketable securities charges and realized gains, net		(6,426)
Other	88,405	90,482	89,066
Total operating expenses	2,754,449	2,659,484	2,363,278
OPERATING INCOME	2,415,689	2,220,600	1,943,154
Interest expense	(1,137,139)	(1,127,025)	(983,526)
Income and other taxes	(39,734)	(15,880)	(11,595)
Income from unconsolidated entities	205,259	131,907	81,238
Gain upon acquisition of controlling interests, sale or disposal of assets and interests in unconsolidated entities, and impairment charge on investment in unconsolidated entities, net	107,515	510,030	216,629
CONSOLIDATED NET INCOME	1,551,590	1,719,632	1,245,900
Net income attributable to noncontrolling interests	231,949	285,136	221,101
Preferred dividends	3,337	3,337	3,337
NET INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	1,316,304	1,431,159	1,021,462
BASIC EARNINGS PER COMMON SHARE:
Net income attributable to common stockholders (in dollars per share)	$ 4.24	$ 4.72	$ 3.48
DILUTED EARNINGS PER COMMON SHARE:
Net income attributable to common stockholders (in dollars per share)	$ 4.24	$ 4.72	$ 3.48
Consolidated Net Income	1,551,590	1,719,632	1,245,900
Unrealized gain (loss) on derivative hedge agreements	7,101	16,652	(91,933)
Net loss reclassified from accumulated other comprehensive income into earnings	9,205	21,042	16,169
Currency translation adjustments	2,865	9,200	(8,462)
Changes in available-for-sale securities and other	(1,479)	(39,248)	(37,431)
Comprehensive income	1,569,282	1,727,278	1,124,243
Comprehensive income attributable to noncontrolling interests	234,536	289,419	200,236
Comprehensive income attributable to common stockholders	$ 1,334,746	$ 1,437,859	$ 924,007