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Earnings Per Share (Narrative) (Details)
shares in Millions
 12 Months Ended
Oct. 01, 2022
Classes
shares
Oct. 02, 2021
shares
Oct. 03, 2020
shares
Earnings Per Share, Basic and Diluted [Line Items]      
Antidilutive securities excluded from computation of earnings per share, shares | shares 2 4 2
Cash Dividends, Paid Ratio To Other Class Of Stock, Maximum 90.00%    
Number Of Classes Of Common Stock | Classes 2    
Class A [Member]      
Earnings Per Share, Basic and Diluted [Line Items]      
Undistributed earnings (losses), ratio used to calculate allocation to class of stock 1,000,000    
Class B [Member]      
Earnings Per Share, Basic and Diluted [Line Items]      
Undistributed earnings (losses), ratio used to calculate allocation to class of stock 900,000