Senior Unsecured Notes and Secured Debt (Tables)

3 Months Ended

Mar. 31, 2014

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

Principal payments due on debt obligations

	Senior		Secured
	Unsecured Notes(1,2)		Debt (1,3)		Totals
2014	$	-	$	190,986	$	190,986
2015		476,142(4)		403,141		879,283
2016		1,200,000(5)		381,659		1,581,659
2017		450,000		324,102		774,102
2018		450,000		429,473		879,473
Thereafter		4,842,232(6)		1,146,596		5,988,828
Totals	$	7,418,374	$	2,875,957	$	10,294,331
(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 1.5% to 6.5%.
(3) Annual interest rates range from 1.0% to 8.0%. Carrying value of the properties securing the debt totaled $5,976,759,000 at March 31, 2014.
(4) On July 30, 2012, we completed funding on a $250,000,000 Canadian denominated unsecured term loan (approximately $226,142,000 based on the Canadian/U.S. Dollar exchange rate on March 31, 2014). The loan matures on July 27, 2015 (with an option to extend for an additional year at our discretion) and bears interest at the Canadian Dealer Offered Rate plus 145 basis points (2.7% at March 31, 2014).
(5) On January 8, 2013, we completed funding on a $500,000,000 unsecured term loan. The loan matures on March 31, 2016 (with an option to extend for two additional years at our discretion) and bears interest at LIBOR plus 135 basis points (1.5% at March 31, 2014).
(6) On November 20, 2013, we completed the sale of £550,000,000 (approximately $917,125,000 based on the Sterling/U.S. Dollar exchange rate on March 31, 2014) of 4.8% senior unsecured notes due 2028.

Summary of senior unsecured note activity

	Three Months Ended
	March 31, 2014			March 31, 2013
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	7,421,707	4.400%	$	6,145,457	4.600%
Debt issued		-	0.000%		500,000	1.552%
Debt redeemed		(1)	3.000%		-	0.000%
Foreign currency		(3,332)	3.486%		(5,330)	2.670%
Ending balance	$	7,418,374	4.400%	$	6,640,127	4.400%

Secured debt principal activity

	Three Months Ended
		March 31, 2014		March 31, 2013
			Weighted Avg.			Weighted Avg.
	Amount		Interest Rate	Amount		Interest Rate
Beginning balance	$	3,010,711	5.10%	$	2,311,586	5.14%
Debt issued		10,690	3.54%		-	0.00%
Debt assumed		-	0.00%		132,680	5.49%
Debt extinguished		(114,084)	5.73%		(7,807)	7.43%
Principal payments		(15,455)	5.12%		(11,432)	5.44%
Foreign currency		(15,905)	3.86%		6	5.62%
Ending balance	$	2,875,957	5.08%	$	2,425,033	5.17%