Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022	Sep. 18, 2024
Statement [Line Items]
Capital Stock, Shares Authorized	560,000	560,000
Common Stock, Par or Stated Value Per Share	$ 0.0375	$ 0.0375
Preferred Stock, Shares Authorized	40,000	40,000
Preferred Stock, Shares Issued	0	0
Treasury stock purchased, shares	1,560	2,698	3,800
Shares repurchased, value	$ 67	$ 142	$ 167
June 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	250
Stock Repurchase Program, Remaining Authorized Repurchase Amount	37
September 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	500
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 301
September 2024 Program | Subsequent Event [Member]
Statement [Line Items]
Authorized amount for shares repurchase				$ 250