Earnings Per Share (Tables)

6 Months Ended

Oct. 31, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table presents information concerning basic and diluted earnings per share:

	Three Months Ended				Six Months Ended
	October 31,				October 31,
(Dollars in millions, except per share amounts)	2013		2014		2013		2014
Net income available to common stockholders	$	206	$	208	$	349	$	358
Share data (in thousands):
Basic average common shares outstanding	213,587		212,087		213,634		212,674
Dilutive effect of stock-based awards	1,617		1,482		1,614		1,528
Diluted average common shares outstanding	215,204		213,569		215,248		214,202
Basic earnings per share	$	0.97	$	0.98	$	1.63	$	1.68
Diluted earnings per share	$	0.96	$	0.97	$	1.62	$	1.67