Supplemental Statement of Cash Flows Information 1 (Details) (Notional Pooling Arrangement [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Notional Pooling Arrangement [Member]
Activity under cash pooling arrangement
Total borrowings outstanding at beginning of period	$ 139	[1]	$ 136	[1]
Borrowings	4,226		2,577
Repayments	(4,145)		(2,603)
Foreign currency exchange effect	(82)		28
Total borrowings outstanding at end of period	$ 138	[1]	$ 138	[1]

[1] Included in “Accrued expenses and other current liabilities” in the Company’s Condensed Consolidated Balance Sheets.