Consolidated Statement of Equity - 9 months ended Sep. 30, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Distributions in Excess of Net Earnings [Member]	Non-controlling Interests [Member]
Balance at Dec. 31, 2017	$ 18,705,741	$ 68,948	$ 5,322	$ 19,363,007	$ (901,658)	$ (2,904,461)	$ 3,074,583
Balance, shares at Dec. 31, 2017	532,186		532,186
Consolidated net earnings	$ 1,132,470					1,051,301	81,169
Effect of equity compensation plans	59,785		$ 11	21,625			38,149
Effect of equity compensation plans, shares			1,157
DCT Transaction, net of issuance costs	6,615,915		$ 962	6,321,667			293,286
DCT Transaction, net of issuance costs,shares			96,179
Capital contributions	117,095						117,095
Redemption of noncontrolling interests	(52,414)			(4,530)			(47,884)
Foreign currency translation losses, net	(153,359)				(145,196)		(8,163)
Unrealized gains on derivative contracts, net	298				289		9
Reallocation of equity				(27,004)			27,004
Distributions and other	(987,876)			(108)		(819,576)	(168,192)
Balance at Sep. 30, 2018	$ 25,437,655	$ 68,948	$ 6,295	$ 25,674,657	$ (1,046,565)	$ (2,672,736)	$ 3,407,056
Balance, shares at Sep. 30, 2018	629,522		629,522