Supplemental Statement of Cash Flows Information 1 (Details) - Notional Pooling Arrangement - USD ($) $ in Millions		9 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Notional pooling arrangement
Total borrowings outstanding at beginning of period	[1]	$ 139	$ 138
Borrowings		1,391	3,237
Repayments		(1,365)	(3,230)
Foreign exchange effect		(26)	(6)
Total borrowings outstanding at end of period	[1]	$ 139	$ 139

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