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Income Taxes (Tables)
3 Months Ended
Oct. 30, 2021
Income Tax Disclosure [Abstract]  
Income Tax Provision
The following table provides details of income taxes (in millions, except percentages):
Three Months Ended
October 30,
2021
October 24,
2020
Income before provision for income taxes$3,657 $2,681 
Provision for income taxes$677 $507 
Effective tax rate18.5 %18.9 %