Indebtedness (Tables)

12 Months Ended

Dec. 31, 2019

Indebtedness

Schedule of mortgages and unsecured indebtedness

	2019		2018
Fixed-Rate Debt:
Mortgage notes, including $6,775 and $11,822 of net premiums and $15,195 and $14,522 of debt issuance costs, respectively. Weighted average interest and maturity of 3.87% and 4.8 years at December 31, 2019.	$	6,156,595	$	6,099,787
Unsecured notes, including $54,976 and $44,691 of net discounts and $70,297 and $58,822 of debt issuance costs, respectively. Weighted average interest and maturity of 3.07% and 9.3 years at December 31, 2019.		15,747,267		15,535,468
Commercial Paper (see below)		1,327,050		758,681
Total Fixed-Rate Debt		23,230,912		22,393,936
Variable-Rate Debt:
Mortgages notes, including $4,721 and $5,901 of debt issuance costs, respectively. Weighted average interest and maturity of 2.62% and 2.0 years at December 31, 2019.		751,130		736,274
Credit Facility (see below), including $11,067 and $16,930 of debt issuance costs, respectively, at December 31, 2019.		113,933		108,070
Total Variable-Rate Debt		865,063		844,344
Other Debt Obligations		67,255		67,255
Total Mortgages and Unsecured Indebtedness	$	24,163,230	$	23,305,535

Schedule of principal repayments of indebtedness

Our scheduled principal repayments on indebtedness as of December 31, 2019 are as follows:

2020	$	2,857,060	(1)
2021		1,541,478
2022		2,872,980
2023		1,868,669
2024		2,896,466
Thereafter		12,208,803
Total principal maturities		24,245,456
Net unamortized debt premium		6,775
Net unamortized debt discount		(54,976)
Debt issuance costs, net		(101,280)
Other Debt Obligations		67,255
Total mortgages and unsecured indebtedness	$	24,163,230

(1) Includes $1.3 billion in Global Commercial Paper.

Schedule of cash paid for interest in each period, net of any amounts capitalized

	For the Year Ended December 31,
	2019		2018		2017
Cash paid for interest	$	803,728	$	811,971	$	814,729

Schedule of debt issuance costs

	2019		2018
Debt issuance costs	$	187,514	$	204,189
Accumulated amortization		(86,234)		(108,014)
Debt issuance costs, net	$	101,280	$	96,175

Schedule of debt amortization from continuing operations, included in statements of operations and comprehensive income

		For the Year Ended December 31,
	2019		2018		2017
Amortization of debt issuance costs	$	21,499	$	21,445	$	21,707
Amortization of debt discounts/(premiums)		1,571		1,618		1,357

Schedule of fair value of financial instruments and the related discount rate assumptions

	December 31,			December 31,
	2019			2018
Fair value of consolidated fixed rate mortgages and unsecured indebtedness	$	23,231		$	22,323
Weighted average discount rates assumed in calculation of fair value for fixed rate mortgages		3.75	%		4.55	%
Weighted average discount rates assumed in calculation of fair value for unsecured indebtedness		3.67	%		4.50	%