v3.25.4
Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($)
$ in Millions
 3 Months Ended
Dec. 27, 2025
Sep. 27, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability, Collateral, Right to Reclaim Cash, Offset $ 28 $ 187
Other income/expense | Corporate and Other [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Asset Impairment Charges 75  
Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset, Netting (19) (21)
Total assets 730 737
Derivative Liability, Netting (47) (208)
Total liabilities 15 9
Fair Value, Recurring [Member] | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 20 21
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 701 710
Total liabilities 62 217
Fair Value, Recurring [Member] | Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 28 27
Total liabilities 0 0
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 (9) (1)
Derivative Asset, Subject to Master Netting Arrangement, after Offset 33 5
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 (10) (20)
Derivative Asset, Subject to Master Netting Arrangement, after Offset 42 93
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 | Designated as hedges    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Short-term Investments 42 6
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 52 113
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 537 522
Debt Securities, Available-for-Sale, Noncurrent 118 117
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 20 21
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 517 501
Debt Securities, Available-for-Sale, Noncurrent 90 90
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 28 27
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 (13) (82)
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 15 9
Derivative Liability, Netting (34) (126)
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 13 82
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 49 135
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