v3.25.1
Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($)
$ in Millions
 6 Months Ended
Mar. 30, 2024
Mar. 29, 2025
Sep. 28, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Collateral, Right to Reclaim Cash, Offset   $ 122 $ 54
Cost of Sales | Corporate and Other [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Asset Impairment Charges $ 25    
Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset, Netting   (18) 0
Total assets   660 690
Derivative Liability, Netting   (140) (54)
Total liabilities   16 36
Fair Value, Recurring [Member] | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total assets   17 22
Total liabilities   0 0
Fair Value, Recurring [Member] | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total assets   636 640
Total liabilities   156 90
Fair Value, Recurring [Member] | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total assets   25 28
Total liabilities   0 0
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     10
Other Current Assets [Member] | Fair Value, Recurring [Member] | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset, Netting   (2) (2)
Derivative Asset, Subject to Master Netting Arrangement, after Offset   8 13
Other Current Assets [Member] | Fair Value, Recurring [Member] | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Asset, Netting   (16) 2
Derivative Asset, Subject to Master Netting Arrangement, after Offset   63 81
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt Securities, Available-for-Sale, Current     0
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 1 | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term Investments   0 0
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 1 | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term Investments   0 0
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt Securities, Available-for-Sale, Current     10
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 2 | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term Investments   10 15
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 2 | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term Investments   79 79
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt Securities, Available-for-Sale, Current     0
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 3 | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term Investments   0 0
Other Current Assets [Member] | Fair Value, Recurring [Member] | Level 3 | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Short-term Investments   0 0
Other Assets [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred compensation assets   475 483
Debt Securities, Available-for-Sale, Noncurrent   114 103
Other Assets [Member] | Fair Value, Recurring [Member] | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred compensation assets   17 22
Debt Securities, Available-for-Sale, Noncurrent   0 0
Other Assets [Member] | Fair Value, Recurring [Member] | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred compensation assets   458 461
Debt Securities, Available-for-Sale, Noncurrent   89 75
Other Assets [Member] | Fair Value, Recurring [Member] | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred compensation assets   0 0
Debt Securities, Available-for-Sale, Noncurrent   25 28
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, after Offset   0 0
Derivative Liability, Netting   (67) (19)
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, after Offset   16 36
Derivative Liability, Netting   (73) (35)
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Level 1 | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, before Offset   0 0
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Level 1 | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, before Offset   0 0
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Level 2 | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, before Offset   67 19
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Level 2 | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, before Offset   89 71
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Level 3 | Designated as hedges      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, before Offset   0 0
Other Current Liabilities [Member] | Fair Value, Recurring [Member] | Level 3 | Undesignated      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability, Subject to Master Netting Arrangement, before Offset   $ 0 $ 0