XML 42 R29.htm IDEA: XBRL DOCUMENT
v3.23.1

Defined Benefit Pension and Other Postretirement Plans (Tables) | 6 Months Ended
--- | ---
Mar. 31, 2023
Retirement Benefits [Abstract] |
Schedule of Components of Net Periodic Pension Cost | Net periodic pension cost includes the following components:
|  | Pension Benefits
Three Months Ended March 31, |  | 2023 |  | 2022
Service cost |  | $ | 3 |  |  | $ | 4 |
Interest cost |  | 8 |  |  | 7 |
Expected return on assets |  | (12) |  |  | (13) |
Amortization of: |  |  |  |
Actuarial loss |  | — |  |  | 2 |
Net benefit |  | $ | (1) |  |  | $ | — |
Six Months Ended March 31, |  | 2023 |  | 2022
Service cost |  | $ | 5 |  |  | $ | 8 |
Interest cost |  | 17 |  |  | 13 |
Expected return on plan assets |  | (23) |  |  | (25) |
Amortization of: |  |  |  |
Actuarial (gain) loss |  | (1) |  |  | 4 |
Net benefit |  | $ | (2) |  |  | $ | — |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration