Consolidated Statements of Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jan. 23, 2021	Jan. 25, 2020	Jan. 23, 2021	Jan. 25, 2020
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)	$ 0.36	$ 0.35	$ 0.72	$ 0.70