Derivative Instruments - Fair Value of Derivatives Derivative Instruments by Balance Sheet Line Item (Details) - USD ($) $ in Millions	Jan. 28, 2023	Jul. 30, 2022
Derivative [Line Items]
DERIVATIVE ASSETS	$ 36	$ 78
DERIVATIVE LIABILITIES	73	89
Derivatives designated as hedging instruments:
Derivative [Line Items]
DERIVATIVE ASSETS	22	64
DERIVATIVE LIABILITIES	47	10
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	21	55
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	1	9
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	1	0
Derivatives designated as hedging instruments: | Foreign currency derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	4	0
Derivatives designated as hedging instruments: | Interest rate derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	0	0
Derivatives designated as hedging instruments: | Interest rate derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	42	10
Derivatives not designated as hedging instruments:
Derivative [Line Items]
DERIVATIVE ASSETS	14	14
DERIVATIVE LIABILITIES	26	79
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	10	14
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other assets
Derivative [Line Items]
DERIVATIVE ASSETS	4	0
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	26	69
Derivatives not designated as hedging instruments: | Foreign currency derivatives | Other long-term liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	0	9
Derivatives not designated as hedging instruments: | Equity derivatives | Other current assets
Derivative [Line Items]
DERIVATIVE ASSETS	0	0
Derivatives not designated as hedging instruments: | Equity derivatives | Other current liabilities
Derivative [Line Items]
DERIVATIVE LIABILITIES	$ 0	$ 1