Supplemental Statement of Cash Flows Information 1 (Details) - Notional Pooling Arrangement - USD ($) $ in Millions		9 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
Notional pooling arrangement
Total borrowings outstanding at beginning of period	[1]	$ 138	$ 139
Borrowings		3,237	4,226
Repayments		(3,230)	(4,145)
Foreign exchange effect		(6)	(82)
Total borrowings outstanding at end of period	[1]	$ 139	$ 138

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