Fair Value Measurements (Tables)

6 Months Ended

Oct. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table summarizes the assets and liabilities measured or disclosed at fair value on a recurring basis:

(Dollars in millions)	Level 1		Level 2		Level 3		Total
April 30, 2014:
Assets:
Currency derivatives	$	—	$	7	$	—	$	7
Liabilities:
Currency derivatives	—		7		—		7
Short-term borrowings	—		8		—		8
Long-term debt	—		963		—		963
October 31, 2014:
Assets:
Currency derivatives	—		51		—		51
Liabilities:
Short-term borrowings	—		124		—		124
Long-term debt	—		975		—		975