Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt

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

	March 31,			December 31,
	2021			2020
Fair value of consolidated fixed rate mortgages and unsecured indebtedness (in millions)	$	25,917		$	25,327
Weighted average discount rates assumed in calculation of fair value for fixed rate mortgages		2.85	%		2.41	%
Weighted average discount rates assumed in calculation of fair value for unsecured indebtedness		3.28	%		2.63	%