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Pension and Other Postretirement Benefits - Pension Plan Asset Allocation (Details)	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	100.00%
Actual plan asset allocations	100.00%	100.00%
Global equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	50.00%
Actual plan asset allocations	51.00%	44.00%
Diversified credit
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	15.00%
Actual plan asset allocations	17.00%	15.00%
Real assets
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	10.00%
Actual plan asset allocations	11.00%	10.00%
Liability hedging assets
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	25.00%
Actual plan asset allocations	20.00%	28.00%
Cash
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	0.00%
Actual plan asset allocations	1.00%	3.00%

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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

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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

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