Other Financial Data (Components of Depreciation and Amortization) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Depreciation expense	$ 476	$ 499	$ 485
Amortization of intangibles (includes $108, $57 and $17 reported in Cost of Sales in 2022, 2021 and 2020, respectively)	465	357	256
Amortization of capitalized software	98	113	113
Total	1,039	969	854
Amortization if intangibles reported in Cost of Sales	108	57	17
Amortization of intangible assets	563	470	$ 369
Amortization of Intangibles - Related Restructuring	14
Open Systems International, Inc. [Member] \| Backlog
Amortization of intangible assets		$ 30
AspenTech [Member] \| Cost of sales [Member]
Amortization of intangible assets	$ 148

Amortization of intangibles excluding capitalized software

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- Definition

Amortization of Intangibles - Related Restructuring

+ References

No definition available.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of expense for amortization of capitalized computer software costs.

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Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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