Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Aug. 02, 2020
Statement [Line Items]
Capital Stock, Shares Authorized	560.0	560.0
Common Stock, Par or Stated Value Per Share	$ 0.0375	$ 0.0375
Preferred Stock, Shares Authorized	40.0	40.0
Preferred Stock, Shares Issued	0.0	0.0
Treasury stock purchased, shares	3.8	1.0
Shares repurchased, value	$ 167	$ 36	$ 0
June 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	250
Stock Repurchase Program, Remaining Authorized Repurchase Amount	172
Shares repurchased, value	42
September 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	500
Stock Repurchase Program, Remaining Authorized Repurchase Amount	375
Shares repurchased, value	$ 125
Capital Stock In Treasury [Member]
Statement [Line Items]
Treasury stock purchased, shares	4.0	1.0	0.0
Shares repurchased, value	$ 167	$ 36	$ 0