Derivative Financial Instruments Derivative Financial Instruments (Tables)

6 Months Ended

Sep. 30, 2012

Derivative Financial Instruments [Abstract]

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

The effect of foreign currency forward contracts in our Condensed Consolidated Statements of Operations for the three and six months ended September 30, 2012 and 2011, was as follows (in millions):

		Amount of Gain (Loss) Recognized in Income from Derivatives
	Location of Gain (Loss) Recognized in Income from Derivatives	Three Months Ended September 30,					Six Months Ended September 30,
		2012			2011		2012		2011
Foreign currency forward contracts not designated as hedging instruments	Interest and other  expense, net	$	(6	)	$	16	$	1	$	14