v3.25.2
Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Jul. 26, 2025
Jul. 27, 2024
Jul. 29, 2023
Operating Loss Carryforwards [Line Items]      
Provision for income taxes $ 920 $ 1,914 $ 2,705
Effective income tax rate reconciliation, litigation decision, amount (720)    
Undistributed earnings of certain foreign subsidiaries on which tax is not provided 6,500    
Gross reduction in unrecognized tax benefits 75 53 1,063
Unrecognized tax benefits that would affect the effective tax rate if realized 1,600    
Net interest expense recognized on unrecognized tax benefits 77 21 27
Accrual for interest and penalties 497 401 523
Unrecognized tax benefit that could be reduced in next 12 months 250    
Tax credit carryforward, valuation allowance 752    
Settled Litigation | Internal Revenue Service (IRS)      
Operating Loss Carryforwards [Line Items]      
Net benefit   55 145
Decrease in interest expense   18 53
Gross reduction in unrecognized tax benefits   $ 245 $ 1,100
Federal Tax Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 284    
Tax credit carryforward 7    
State and Local Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 2,100    
Operating loss carryforwards, valuation allowance 10    
Tax credit carryforward 1,800    
Foreign Tax Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 533    
Operating loss carryforwards, valuation allowance 96    
Tax credit carryforward $ 8