Derivative Financial Instruments (Pretax Impact Of Undesignated Derivative Instruments On The Consolidated Statements Of Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 12	$ 78
Cost of Sales	12,292	10,918
Other Nonoperating Income (Expense)	(42)	(52)
Interest expense	$ 84	$ 100
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Sales	Cost of Sales
Not Designated as Hedging Instrument | Commodity contracts
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 15	$ 81
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Sales	Cost of Sales
Not Designated as Hedging Instrument | Foreign exchange contracts
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 5	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Fair Value Hedging [Member] | Commodity contracts
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (3)	$ (3)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Sales	Cost of Sales
Cash Flow Hedging [Member] | Commodity contracts
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 0	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Sales	Cost of Sales
Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (1)	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest expense	Interest expense