Financial Instruments (Schedule Of Derivative Instruments) (Details) $ / shares in Units, € in Millions, lb in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2023 USD ($) lb	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($) lb	Mar. 31, 2022 USD ($)	Apr. 12, 2023 $ / shares	Sep. 30, 2019 EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified to earnings	$ (15)	$ 23	$ (11)	$ 77
Other Comprehensive Income (Loss), Total	10	57	(101)	117
Net sales	3,756	3,291	7,129	6,447
National Instruments | Forecast [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Business Acquisition, Share Price | $ / shares					$ 60
National Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Investments	117		117
Debt and Equity Securities, Unrealized Gain (Loss)	35
Commodity Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified to earnings	(2)	6	(10)	13
Commodity Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to other comprehensive income	8	10	19	23
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of foreign currency hedge positions	5,000		5,000
Foreign Exchange Contract [Member] | Other deductions, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified to earnings	(22)	8	(17)	52
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified to earnings	10	9	18	11
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to other comprehensive income	17	14	14	17
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified to earnings	(1)	0	(2)	1
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Sales [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) to other comprehensive income	(1)	(2)	3	(2)
Foreign Exchange Contract [Member] | Net Investment Hedging [Member] | Other Comprehensive Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) to other comprehensive income	(14)	$ 35	(137)	$ 79
All Commodity Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of commodities hedged	$ 136		$ 136
Copper and Aluminum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Weight in pounds of copper and aluminum commodity hedges | lb	40		40
Senior Notes [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt, face amount | €						€ 1,500