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Equity (Schedule of Share Repurchases) (Details) - Class A [Member] - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Oct. 01, 2022
Oct. 02, 2021
Oct. 03, 2020
Class of Stock [Line Items]      
Treasury Stock, Shares, Acquired 8.2 0.9 2.5
Payments for Repurchase of Common Stock $ 702 $ 67 $ 207
Under share repurchase program      
Class of Stock [Line Items]      
Treasury Stock, Shares, Acquired 6.9 0.0 1.8
Payments for Repurchase of Common Stock $ 587 $ 0 $ 150
To fund certain obligations under equity compensation plans      
Class of Stock [Line Items]      
Treasury Stock, Shares, Acquired 1.3 0.9 0.7
Payments for Repurchase of Common Stock $ 115 $ 67 $ 57