Consolidated Statement of Equity - 9 months ended Sep. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Distributions in Excess of Net Earnings [Member]	Non-controlling Interests [Member]
Balance at Dec. 31, 2014	$ 15,183,599	$ 78,235	$ 5,095	$ 18,467,009	$ (600,337)	$ (3,974,493)	$ 1,208,090
Balance, shares at Dec. 31, 2014	509,498		509,498
Consolidated net earnings	$ 798,758					749,444	49,314
Effect of equity compensation plans	57,625		$ 12	36,410			21,203
Effect of equity compensation plans, shares			1,149
Issuance of stock in at-the-market program, net of issuance costs	71,620		$ 16	71,604
Issuance of stock in equity offering, net of issuance costs, shares			1,662
Issuance of stock upon conversion of exchangeable debt	502,732		$ 119	502,613
Issuance of stock upon conversion of exchangeable debt, shares			11,872
Issuance of units related to KTR acquisition	181,170						181,170
Capital contributions from our partners	2,354,697						2,354,697
Foreign currency translation losses, net	(197,912)				(164,072)		(33,840)
Unrealized losses and amortization on derivative contracts, net	(12,313)				(12,161)		(152)
Allocation from the limited partners				71,740			(71,740)
Distributions and other	(755,005)			960		(600,624)	(155,341)
Distributions and other, shares			5
Balance at Sep. 30, 2015	$ 18,184,971	$ 78,235	$ 5,242	$ 19,150,336	$ (776,570)	$ (3,825,673)	$ 3,553,401
Balance, shares at Sep. 30, 2015	524,186		524,186