ACQUISITIONS AND DIVESTITURES - Narrative (Details) $ / shares in Units, $ in Millions		3 Months Ended					9 Months Ended			12 Months Ended
	Oct. 11, 2023 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($) business	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($) $ / shares	Jun. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)
Business Acquisition [Line Items]
Earnings		$ 4,380			$ 3,946		$ 12,873		$ 11,075
Mark-to-market gain (loss)					3				24
Acquisition/divestiture costs		7			38		92		48
Gain on subordinated interest		0	$ 79		0		79		0
Loss on divestiture of business		0			0		39		0
Purchase price of businesses, net of cash acquired							8,342		0
Goodwill		17,936		$ 14,480			17,936	$ 14,480		$ 14,480
Goodwill expected tax deductible amount	$ 121
Gain (loss) on sale of business					10,576				13,359
Russia
Business Acquisition [Line Items]
Gain (loss) on sale of business						$ (47)
Loss on disposal (in dollars per share) | $ / shares						$ 0.08
National Instruments
Business Acquisition [Line Items]
Net sales	1,700
Earnings										170
Acquisition including sales		355			417		1,104		1,302
Net loss since acquisition date		86					492
Amortization of intangible assets		139			105		419		317
Mark-to-market gain (loss)					12				47
Acquisition/divestiture costs		13					159	110	198
Net earnings from continuing operations common stockholders		$ 374			581		$ 1,396		887
Goodwill	$ 3,434
National Instruments | National Instruments
Business Acquisition [Line Items]
Acquisition/divestiture costs								88
National Instruments | Backlog Amortization
Business Acquisition [Line Items]
Amortization of intangible assets					$ 34				102
National Instruments | Fair Value Adjustment to Inventory
Business Acquisition [Line Items]
Net earnings from continuing operations common stockholders									213
National Instruments | Retention Bonus
Business Acquisition [Line Items]
Net earnings from continuing operations common stockholders									$ 51
Other Segment Transactions
Business Acquisition [Line Items]
Number of businesses acquired | business				2
Purchase price of businesses, net of cash acquired				$ 715
Goodwill				424				424		424
Goodwill expected tax deductible amount				0				0		0
Intangible assets				$ 323				$ 323		$ 323
Weighted-average useful life				9 years