v3.26.1
Equity (Schedule of Share Repurchases) (Details) - Class A [Member] - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Class of Stock [Line Items]        
Treasury Stock, Shares, Acquired 0.5 0.4 2.1 0.7
Payments for Repurchase of Common Stock $ 35 $ 26 $ 127 $ 42
Under share repurchase program        
Class of Stock [Line Items]        
Treasury Stock, Shares, Acquired 0.5 0.4 1.8 0.4
Payments for Repurchase of Common Stock $ 33 $ 23 $ 109 $ 23
To fund certain obligations under equity compensation plans        
Class of Stock [Line Items]        
Treasury Stock, Shares, Acquired 0.0 0.0 0.3 0.3
Payments for Repurchase of Common Stock $ 2 $ 3 $ 18 $ 19