Income Taxes (Tables)

3 Months Ended

Oct. 29, 2016

Income Tax Disclosure [Abstract]

Income tax provision

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

	Three Months Ended
	October 29, 2016			October 24, 2015
Income before provision for income taxes	$	2,953		$	3,137
Provision for income taxes	$	631		$	707
Effective tax rate	21.4		%	22.5		%