Supplemental Cash Flow Information (Tables)

6 Months Ended

Nov. 30, 2017

Supplemental Cash Flow Tables [Abstract]

Supplemental Cash Flow

Cash paid for interest expense and income taxes for the six-month periods ended November 30 was as follows (in millions):

	2017			2016
Cash payments for:
Interest (net of capitalized interest)	$	238		$	232
Income taxes	$	617		$	216
Income tax refunds received		(19	)		(13	)
Cash tax payments, net	$	598		$	203