Debt (Tables)

3 Months Ended

Jun. 30, 2013

Debt [Abstract]

Debt and Related Weighted Average Contractual Interest Rates

Note 9 – Debt
Debt and the related weighted average contractual interest rates are summarized as follows:
					Weighted average
					contractual interest rates
	June 30,		March 31,			June 30,		March 31,
(Dollars in millions)		2013		2013		2013		2013
Commercial paper	$	23,876	$	24,590		0.21	%	0.24	%
Unsecured notes and loans payable		46,634		46,707		2.11	%	2.19	%
Secured notes and loans payable		7,628		7,009		0.55	%	0.60	%
Carrying value adjustment		481		526
Total debt	$	78,619	$	78,832		1.38	%	1.43	%