Debt (Tables)

6 Months Ended

Sep. 30, 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
	September 30,		March 31,		September 30,			March 31,
	2015		2015		2015			2015
Commercial paper	$	27,558	$	27,006		0.29	%		0.21	%
Unsecured notes and loans payable		54,215		52,307		1.84	%		1.86	%
Secured notes and loans payable		13,264		10,837		0.67	%		0.60	%
Carrying value adjustment		60		81
Total debt	$	95,097	$	90,231		1.23	%		1.22	%