Debt and Financing Activities (Tables)

12 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule of long-term debt

Long-term debt consisted of the following:

	March 31,
(In millions)	2016			2015
U.S. Dollar notes(1)
Floating Rate Notes due September 10, 2015	$	—		$	400
0.95% Notes due December 4, 2015	—			500
3.25% Notes due March 1, 2016	—			600
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	500			499
7.50% Notes due February 15, 2019	350			349
2.28% Notes due March 15, 2019	1,100			1,100
4.75% Notes due March 1, 2021	599			599
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
Foreign currency notes(2)
4.00% Bonds due October 18, 2016	403			388
4.50% Bonds due April 26, 2017	583			563
Lease and other obligations	44			143
Total debt	8,147			9,709
Less current portion	(1,612		)	(1,529		)
Total long-term debt	$	6,535		$	8,180

(1) Interest on these notes is payable semiannually each year. These notes are unsecured and unsubordinated obligations of the Company.

(2) Interest on these Euro-denominated bonds is due annually each year.