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Employee Postretirement Benefits - Schedule of Target Asset Allocation Ranges By Asset Class (Details) - Pension Benefits (Pension Plan) | Dec. 31, 2024 | Dec. 31, 2023
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Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 100.00% | 100.00%
Return Enhancement |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 41.00% | 48.00%
Return Enhancement | 35 - 60% | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Permitted Range | 35.00% |
Return Enhancement | 35 - 60% | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Permitted Range | 60.00% |
Risk Management |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 59.00% | 51.00%
Risk Management | 40 - 80% | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Permitted Range | 40.00% |
Risk Management | 40 - 80% | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Permitted Range | 80.00% |
Alternatives |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 0.00% | 1.00%
Alternatives | 0 - 20% | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Permitted Range | 0.00% |
Alternatives | 0 - 20% | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Permitted Range | 20.00% |

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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