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Other Deductions, Net (Schedule Of Other Deductions, Net) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Other deductions, net [Line Items] |  |
Amortization of intangibles (intellectual property and customer relationships) | $ 63 | $ 78
Restructuring costs | 9 | 66
Other | (21) | (22)
Other deductions, net | 51 | 122
Change in gain (loss) from foreign currency exchange transactions | 25 |
Gain (loss) from acquiring the remaining interest of an equity investment |  | 17
Gain (loss) from an investment sales |  | 21
Proceeds from Sale of Productive Assets | 15 |
Open Systems International Inc. [Member] | Order or Production Backlog [Member] |  |
Other deductions, net [Line Items] |  |
Backlog amortization |  | $ 11
AspenTech [Member] |  |
Other deductions, net [Line Items] |  |
Business Acquisition, Transaction Costs | $ 23 |

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- Definition Change in gain/(loss) from foreign currency exchange transactions + References No definition available. + Details
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- Definition Gain (loss) from acquiring the remaining interest of an equity investment + References No definition available. + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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