Fair Value Measurements (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2022	Sep. 28, 2024	Sep. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		$ 54	$ 113
Other income/expense
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Nonrecurring Gain	$ 37
Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Netting		0	(21)
Total assets		690	587
Derivative Liability, Netting		(54)	(134)
Total liabilities		36	19
Fair Value, Recurring [Member] | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets		22	27
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		640	551
Total liabilities		90	153
Fair Value, Recurring [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets		28	30
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	15
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		13	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		2	(19)
Derivative Asset, Subject to Master Netting Arrangement, after Offset		81	76
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	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	15
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		15	7
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	95
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	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		483	402
Debt Securities, Available-for-Sale, Noncurrent		103	89
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		22	27
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		461	375
Debt Securities, Available-for-Sale, Noncurrent		75	59
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	30
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		(19)	(27)
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		36	19
Derivative Liability, Netting		(35)	(107)
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		19	27
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		71	126
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