Share Repurchases (Narrative) (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
Oct. 27, 2024	Oct. 29, 2023
Statement [Line Items]
Treasury stock purchased, shares	1,098	679
Treasury Stock Value Acquired Cost Method	$ 54	$ 28
September 2021 Program
Statement [Line Items]
Authorized amount for shares repurchase	500
Share Repurchase Program, Remaining Authorized, Amount	301
September 2024 Program
Statement [Line Items]
Authorized amount for shares repurchase	250
Share Repurchase Program, Remaining Authorized, Amount	206
June 2021 Program Canceled September 2024
Statement [Line Items]
Authorized amount for shares repurchase	$ 250

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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