XML 118 R95.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Retirement Plans (Schedule Of Assumptions Used) (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Pension [Member] |  |  |  |  |
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |  |  |  |  |
Discount rate - used at period end to value obligation (in hundredths) | 5.60% |  | 5.60% | 5.20% | 5.50%
Discount rate - used to compute annual cost |  |  |  | 5.50% |
Expected long-term rate of return on plan assets (in hundredths) | 6.65% | 7.50% |  | 7.50% | 7.50%
Rate of increase in compensation levels (in hundredths) |  |  | 3.00% | 3.00% | 3.00%
Pension [Member] | Minimum [Member] |  |  |  |  |
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |  |  |  |  |
Discount rate - used to compute annual cost |  |  | 5.00% |  | 2.90%
Expected long-term rate of return on plan assets (in hundredths) |  |  | 6.65% |  |
Pension [Member] | Maximum [Member] |  |  |  |  |
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |  |  |  |  |
Discount rate - used to compute annual cost |  |  | 5.80% |  | 5.60%
Expected long-term rate of return on plan assets (in hundredths) |  |  | 7.50% |  |
OPEB [Member] |  |  |  |  |
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |  |  |  |  |
Discount rate - used at period end to value obligation (in hundredths) | 5.70% |  | 5.70% | 5.20% | 5.50%
OPEB [Member] | Minimum [Member] |  |  |  |  |
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |  |  |  |  |
Discount rate - used at period end to value obligation (in hundredths) |  |  |  |  | 5.50%
Discount rate - used to compute annual cost |  |  | 5.00% | 5.00% | 3.00%
OPEB [Member] | Maximum [Member] |  |  |  |  |
Defined Benefit Plan, Assumptions Used in Calculations [Abstract] |  |  |  |  |
Discount rate - used to compute annual cost |  |  | 5.80% | 6.40% | 5.60%

X
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |