Senior Unsecured Notes and Secured Debt (Tables)

3 Months Ended

Mar. 31, 2015

Senior Unsecured Notes And Secured Debt (Tables) [Abstract]

Principal payments due on debt obligations

	Senior		Secured
	Unsecured Notes(1,2)		Debt (1,3)		Totals
2015	$	-	$	332,035	$	332,035
2016		700,000		493,223		1,193,223
2017		450,000		379,397		829,397
2018		450,000		444,394		894,394
2019(4,5)		1,297,150		371,800		1,668,950
Thereafter(6,7)		4,670,771		951,809		5,622,580
Totals	$	7,567,921	$	2,972,658	$	10,540,579
(1) Amounts represent principal amounts due and do not include unamortized premiums/discounts or other fair value adjustments as reflected on the balance sheet.
(2) Annual interest rates range from 1.1% to 6.5%.
(3) Annual interest rates range from 1.0% to 7.9%. Carrying value of the properties securing the debt totaled $5,349,988,000 at March 31, 2015.
(4) On July 25, 2014, we refinanced the funding on a $250,000,000 Canadian-denominated unsecured term credit facility (approximately $197,150,000 based on the Canadian/U.S. Dollar exchange rate on March 31, 2015). The loan matures on October 31, 2018 (with an option to extend for an additional year at our discretion) and bears interest at the Canadian Dealer Offered Rate plus 97.5 basis points (2.0% at March 31, 2015).
(5) On July 25, 2014, we refinanced the funding on a $500,000,000 unsecured term credit facility. The loan matures on October 31, 2018 (with an option to extend for one additional year at our discretion) and bears interest at LIBOR plus 97.5 basis points (1.15% at March 31, 2015).
(6) On November 20, 2013, we completed the sale of £550,000,000 (approximately $816,860,000 based on the Sterling/U.S. Dollar exchange rate in effect on March 31, 2015) of 4.8% senior unsecured notes due 2028.
(7) On November 25, 2014, we completed the sale of £500,000,000 (approximately $742,600,000 based on the Sterling/U.S. Dollar exchange rate in effect on March 31, 2015) of 4.5% senior unsecured notes due 2034.

Summary of senior unsecured note activity

	Three Months Ended
	March 31, 2015			March 31, 2014
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	7,817,154	4.385%	$	7,421,707	4.400%
Debt redeemed		(154,654)	3.000%		(1)	3.000%
Foreign currency		(94,579)	4.333%		(3,332)	3.486%
Ending balance	$	7,567,921	4.352%	$	7,418,374	4.400%

Secured debt principal activity

	Three Months Ended
		March 31, 2015		March 31, 2014
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	2,941,765	4.94%	$	3,010,711	5.10%
Debt issued		82,724	2.34%		10,690	3.54%
Debt assumed		205,897	3.98%		-	0.00%
Debt extinguished		(192,427)	4.02%		(114,084)	5.73%
Principal payments		(15,630)	5.01%		(15,455)	5.12%
Foreign currency		(49,672)	3.96%		(15,905)	3.86%
Ending balance	$	2,972,657	4.88%	$	2,875,957	5.08%