Computation of Earnings Per Share (Tables)

6 Months Ended

Nov. 30, 2017

Computation Of Earnings Per Share Tables [Abstract]

Schedule of basic and diluted earnings per common share

The calculation of basic and diluted earnings per common share for the periods ended November 30 was as follows (in millions, except per share amounts):

	Three Months Ended				Six Months Ended
	2017		2016		2017		2016
Basic earnings per common share:
Net earnings allocable to common shares(1)	$	774	$	700	$	1,369	$	1,414
Weighted-average common shares		268		266		268		266
Basic earnings per common share	$	2.89	$	2.63	$	5.12	$	5.32
Diluted earnings per common share:
Net earnings allocable to common shares(1)	$	774	$	700	$	1,369	$	1,414
Weighted-average common shares		268		266		268		266
Dilutive effect of share-based awards		4		4		4		4
Weighted-average diluted shares		272		270		272		270
Diluted earnings per common share	$	2.84	$	2.59	$	5.03	$	5.24
Anti-dilutive options excluded from diluted earnings per    common share		2.9		5.1		3.0		5.1

⁽¹⁾ Net earnings available to participating securities were immaterial in all periods presented.