Derivative Instruments - Fair Value of Derivatives Derivative Instruments by Balance Sheet Line Item (Details) - USD ($) $ in Millions	Apr. 26, 2025	Jul. 27, 2024
Derivative [Line Items]
DERIVATIVE ASSETS	$ 48	$ 64
DERIVATIVE LIABILITIES	35	74
Derivatives designated as hedging instruments:
Derivative [Line Items]
DERIVATIVE ASSETS	15	62
DERIVATIVE LIABILITIES	21	12
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	14	47
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	1	15
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	5	1
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	14	0
Derivatives designated as hedging instruments: | Interest rate derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	0	0
Derivatives designated as hedging instruments: | Interest rate derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	2	11
Derivatives not designated as hedging instruments:
Derivative [Line Items]
DERIVATIVE ASSETS	33	2
DERIVATIVE LIABILITIES	14	62
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	19	2
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	14	0
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	13	47
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	$ 1	$ 15