Debt and Financing Activities (Tables)

12 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Information regarding long-term debt is as follows:

	March 31,
(In millions)	2015			2014
Denominated in U.S. Dollars
Floating Rate Notes due September 10, 2015	$	400		$	400
0.95% Notes due December 4, 2015	500			499
3.25% Notes due March 1, 2016	600			599
5.70% Notes due March 1, 2017	500			500
1.29% Notes due March 10, 2017	700			700
1.40% Notes due March 15, 2018	499			499
7.50% Notes due February 15, 2019	349			349
2.28% Notes due March 15, 2019	1,100			1,100
4.75% Notes due March 1, 2021	599			598
2.70% Notes due December 15, 2022	400			400
2.85% Notes due March 15, 2023	400			400
3.80% Notes due March 15, 2024	1,100			1,100
7.65% Debentures due March 1, 2027	175			175
6.00% Notes due March 1, 2041	493			493
4.88% Notes due March 15, 2044	800			800
Other	26			27
Denominated in Euro and other foreign currencies
4.00% Bonds due October 18, 2016	388			507
4.50% Bonds due April 26, 2017	563			737
Promissory Notes	—			297
Bank liabilities and other	117			166
Total debt	9,709			10,346
Less current portion	(1,529		)	(1,417		)
Total long-term debt	$	8,180		$	8,929