Income Taxes (Tables)

6 Months Ended

Jan. 27, 2018

Income Tax Disclosure [Abstract]

Income Tax Provision

The following table provides details of income taxes (in millions, except percentages):

	Three Months Ended						Six Months Ended
	January 27, 2018			January 28, 2017			January 27, 2018			January 28, 2017
Income before provision for income taxes	$	3,232		$	2,963		$	6,194		$	5,916
Provision for income taxes	$	12,010		$	615		$	12,578		$	1,246
Effective tax rate	371.6		%	20.8		%	203.1		%	21.1		%