Debt (Tables)

9 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Debt and Related Weighted Average Contractual Interest Rates

Debt and the related weighted average contractual interest rates are summarized as follows:

					Weighted average
					contractual interest rates
	December 31,		March 31,		December 31,			March 31,
	2015		2015		2015			2015
Commercial paper	$	26,847	$	27,006		0.42	%		0.21	%
Unsecured notes and loans payable		53,784		52,307		1.89	%		1.86	%
Secured notes and loans payable		14,030		10,837		0.75	%		0.60	%
Carrying value adjustment		47		81
Total debt	$	94,708	$	90,231		1.30	%		1.22	%