Pension and Other Postretirement Benefits - Summary of Target Asset Allocations and Major Asset Categories (Detail) - Defined Benefit Pension Plan [Member]	Dec. 31, 2024	Dec. 31, 2023
Equity Securities [Member] \| U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	43.00%
Percentage of Plan Assets	41.00%	52.00%
Equity Securities [Member] \| Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%
Percentage of Plan Assets	0.00%	0.00%
Fixed Income Securities [Member] \| U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	54.00%
Percentage of Plan Assets	46.00%	41.00%
Fixed Income Securities [Member] \| Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	86.00%
Percentage of Plan Assets	87.00%	90.00%
Alternative Investments [Member] \| U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%
Percentage of Plan Assets	4.00%	4.00%
Alternative Investments [Member] \| Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%
Percentage of Plan Assets	0.00%	2.00%
Other (Primarily Cash and Cash Equivalents) [Member] \| U.S. [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	3.00%
Percentage of Plan Assets	9.00%	3.00%
Other (Primarily Cash and Cash Equivalents) [Member] \| Foreign Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	14.00%
Percentage of Plan Assets	13.00%	8.00%

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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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- 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

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