Senior Unsecured Notes and Secured Debt (Tables)

3 Months Ended

Mar. 31, 2016

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

Principal payments due on debt obligations

	Senior		Secured
	Unsecured Notes(1,2)		Debt (1,3)		Totals
2016	$	-	$	434,322	$	434,322
2017		450,000		490,995		940,995
2018		450,000		631,533		1,081,533
2019(4,5)		1,292,767		385,748		1,678,515
2020(6)		681,321		182,554		863,875
Thereafter(7,8,9,10)		6,060,005		1,363,336		7,423,341
Totals	$	8,934,093	$	3,488,488	$	12,422,581
(1) Amounts represent principal amounts due and do not include unamortized premiums/discounts, debt issuance costs, or other fair value adjustments as reflected on the balance sheet.
(2) Annual interest rates range from 1.41% to 6.5%.
(3) Annual interest rates range from 1.0% to 7.98%. Carrying value of the properties securing the debt totaled $6,226,111,000 at March 31, 2016.
(4) On July 25, 2014, we refinanced the funding on a $250,000,000 Canadian-denominated unsecured term credit facility (approximately $192,767,000 based on the Canadian/U.S. Dollar exchange rate on March 31, 2016). 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 (1.85% at March 31, 2016).
(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 an additional year at our discretion) and bears interest at LIBOR plus 97.5 basis points (1.41% at March 31, 2016).
(6) In November 2015, one of our wholly-owned subsidiaries issued and we guaranteed $300,000,000 of Canadian-denominated 3.35% senior unsecured notes due 2020 (approximately $231,321,000 based on the Canadian/U.S. Dollar exchange rate on March 31, 2016).
(7) On November 20, 2013, we completed the sale of £550,000,000 (approximately $790,955,000 based on the Sterling/U.S. Dollar exchange rate in effect on March 31, 2016) of 4.8% senior unsecured notes due 2028.
(8) On November 25, 2014, we completed the sale of £500,000,000 (approximately $719,050,000 based on the Sterling/U.S. Dollar exchange rate in effect on March 31, 2016) of 4.5% senior unsecured notes due 2034.
(9) In May 2015, we issued $750,000,000 of 4.0% senior unsecured notes due 2025. In October 2015, we issued an additional $500,000,000 of these notes under a re-opening of the offer.
(10) In March 2016, we issued $700,000,000 of 4.25% senior unsecured notes due 2026.

Summary of senior unsecured note activity

	Three Months Ended
	March 31, 2016			March 31, 2015
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	8,645,758	4.237%	$	7,817,154	4.385%
Debt issued		700,000	4.250%		-	0.000%
Debt extinguished		(400,000)	3.625%		-	0.000%
Debt redeemed		-	0.000%		(154,654)	3.000%
Foreign currency		(11,665)	3.943%		(94,579)	4.333%
Ending balance	$	8,934,093	4.266%	$	7,567,921	4.352%

Secured debt principal activity

	Three Months Ended
		March 31, 2016		March 31, 2015
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	3,478,207	4.44%	$	2,941,765	4.94%
Debt issued		75,136	3.06%		82,724	2.34%
Debt assumed		-	0.00%		205,897	3.98%
Debt extinguished		(111,701)	4.45%		(192,427)	4.02%
Foreign currency		65,488	3.67%		(15,630)	5.01%
Principal payments		(18,642)	4.54%		(49,672)	3.96%
Ending balance	$	3,488,488	4.40%	$	2,972,657	4.88%