XML 72 R60.htm IDEA: XBRL DOCUMENT v3.25.2
Fair Value Measurements (Schedule Of Available For Sale Securities) (Details) - USD ($)
$ in Millions
 9 Months Ended
Jun. 28, 2025
Sep. 28, 2024
Maximum [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available For Sale Securities Debt Maturity Period 44 years  
Short Term Investment Maturity Period 12 months  
Other Current Assets [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Current $ 1 $ 10
Other Current Assets [Member] | Level 1 | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Current 0 0
Other Current Assets [Member] | Level 2 | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Current 0 10
Other Current Assets [Member] | Level 3 | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Current 1 0
Other Assets [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Noncurrent 115 103
Other Assets [Member] | Level 1 | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Noncurrent 0 0
Other Assets [Member] | Level 2 | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Noncurrent 89 75
Other Assets [Member] | Level 3 | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-Sale, Noncurrent 26 28
U.S. treasury and agency    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax (1) (1)
Debt Securities, Available-for-sale 89 85
Debt Securities, Available-for-Sale, Amortized Cost, Total 90 86
Corporate and asset-backed    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax 0 0
Debt Securities, Available-for-sale 27 28
Debt Securities, Available-for-Sale, Amortized Cost, Total $ 27 $ 28