Derivative Instruments - Fair Value of Derivatives Derivative Instruments by Balance Sheet Line Item (Details) - USD ($) $ in Millions	Jan. 24, 2026	Jul. 26, 2025
Derivative [Line Items]
DERIVATIVE ASSETS	$ 90	$ 32
DERIVATIVE LIABILITIES	83	31
Derivatives designated as hedging instruments:
Derivative [Line Items]
DERIVATIVE ASSETS	83	27
DERIVATIVE LIABILITIES	4	4
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	40	17
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	4	2
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	43	10
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	0	2
Derivatives not designated as hedging instruments:
Derivative [Line Items]
DERIVATIVE ASSETS	7	5
DERIVATIVE LIABILITIES	79	27
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	7	3
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	36	17
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	0	2
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	$ 43	$ 10