Senior Unsecured Notes and Secured Debt (Tables)

6 Months Ended

Jun. 30, 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	$	-	$	304,577	$	304,577
2017		450,000		556,382		1,006,382
2018		450,000		631,424		1,081,424
2019		605,000		385,735		990,735
2020(4)		680,645		176,284		856,929
Thereafter(5,6,7,8,9,10)		6,631,879		1,366,864		7,998,743
Totals	$	8,817,524	$	3,421,266	$	12,238,790
(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 1.15% to 6.5%.
(3) Annual interest rates range from 0.91% to 7.98%. Carrying value of the properties securing the debt totaled $5,972,202,000 at June 30, 2016.
(4) 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 $230,645,000 based on the Canadian/U.S. Dollar exchange rate on June 30, 2016).
(5) On May 13, 2016, we refinanced the funding on a $250,000,000 Canadian-denominated unsecured term credit facility (approximately $192,204,000 based on the Canadian/U.S. Dollar exchange rate on June 30, 2016). The loan matures on May 13, 2021 and bears interest at the Canadian Dealer Offered Rate plus 95 basis points (1.84% at June 30, 2016).
(6) On May 13, 2016, we refinanced the funding on a $500,000,000 unsecured term credit facility. The loan matures on May 13, 2021 and bears interest at LIBOR plus 95 basis points (1.40% at June 30, 2016).
(7) On November 20, 2013, we completed the sale of £550,000,000 (approximately $727,925,000 based on the Sterling/U.S. Dollar exchange rate in effect on June 30, 2016) of 4.8% senior unsecured notes due 2028.
(8) On November 25, 2014, we completed the sale of £500,000,000 (approximately $661,750,000 based on the Sterling/U.S. Dollar exchange rate in effect on June 30, 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

	Six Months Ended
	June 30, 2016			June 30, 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		705,000	4.228%		750,000	4.000%
Debt extinguished		(400,000)	3.625%		(300,000)	6.200%
Debt redeemed		-	0.000%		(158,990)	3.000%
Foreign currency		(133,234)	4.417%		1,298	3.601%
Ending balance	$	8,817,524	4.263%	$	8,109,462	4.252%

Secured debt principal activity

	Six Months Ended
		June 30, 2016		June 30, 2015
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	3,478,207	4.440%	$	2,941,765	4.940%
Debt issued		161,992	3.051%		136,801	2.845%
Debt assumed		-	0.000%		317,897	3.223%
Debt extinguished		(243,314)	4.874%		(290,984)	4.208%
Foreign currency		62,118	3.652%		(38,642)	3.994%
Principal payments		(37,737)	4.579%		(32,966)	4.775%
Ending balance	$	3,421,266	4.328%	$	3,033,871	4.750%