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v3.22.2.2

Property, Plant and Equipment | 12 Months Ended
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Sep. 30, 2022
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Note 11 — Property, Plant and Equipment Property, plant and equipment comprise the following at September 30:
| 2022 |  | 2021 |  | Estimated Useful Life
Utility: |  |  |  |  |
Distribution | $ | 4,746 |  |  | $ | 4,306 |  |  |
Transmission | 123 |  |  | 111 |  |  |
General and other | 557 |  |  | 507 |  |  |
Work in process | 124 |  |  | 98 |  |  |
Total Utility | 5,550 |  |  | 5,022 |  |  |
Non-utility: |  |  |  |  |
Land | 179 |  |  | 186 |  |  |
Buildings and improvements | 426 |  |  | 436 |  |  | 10 - 40 years
Transportation equipment | 234 |  |  | 232 |  |  | 3 - 10 years
Equipment, primarily cylinders and tanks | 3,645 |  |  | 3,785 |  |  | 5 - 30 years
Electric generation | 216 |  |  | 211 |  |  | 25 - 40 years
Pipeline and related assets | 1,523 |  |  | 1,218 |  |  | 25 - 40 years
Other | 380 |  |  | 342 |  |  | 1 - 12 years
Work in process | 53 |  |  | 76 |  |  |
Total non-utility | 6,656 |  |  | 6,486 |  |  |
Total property, plant and equipment | $ | 12,206 |  |  | $ | 11,508 |  |  |
The average composite depreciation rates at our Gas Utility and Electric Utility were as follows:
| 2022 | 2021 | 2020
Regulated natural gas utilities | 2.6 | % | 2.6 | % | 2.5 | %
Electric Utility | 2.4 | % | 2.3 | % | 2.2 | %
Depreciation expense totaled $460, $437 and $416 for Fiscal 2022, Fiscal 2021 and Fiscal 2020, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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