Supplemental Statement of Cash Flows Information 1 (Details) - Notional Pooling Arrangement - USD ($) $ in Millions		3 Months Ended
		Jun. 30, 2015	Jun. 30, 2014
Notional pooling arrangement
Total borrowings outstanding at beginning of period	[1]	$ 138	$ 139
Borrowings		1,760	1,334
Repayments		(1,776)	(1,323)
Foreign exchange effect		17	(10)
Total borrowings outstanding at end of period	[1]	$ 139	$ 140

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