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Retirement Plans - Defined Benefit Plan, Target Asset Allocations (Detail)	Dec. 31, 2024
US Retiree Healthcare Plan [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	65.00%
US Retiree Healthcare Plan [Member] | Equity Securities [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	30.00%
US Retiree Healthcare Plan [Member] | Equity Securities [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	90.00%
US Retiree Healthcare Plan [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	35.00%
US Retiree Healthcare Plan [Member] | Debt Securities [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	20.00%
US Retiree Healthcare Plan [Member] | Debt Securities [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	50.00%
US Retiree Healthcare Plan [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	0.00%
US Retiree Healthcare Plan [Member] | Cash and Cash Equivalents [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	0.00%
US Retiree Healthcare Plan [Member] | Cash and Cash Equivalents [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	10.00%
US Retiree Healthcare Plan [Member] | Insurance Contracts And Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	0.00%
US Retiree Healthcare Plan [Member] | Insurance Contracts And Other [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	0.00%
US Retiree Healthcare Plan [Member] | Insurance Contracts And Other [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	10.00%
Non-U.S. Pension Plans [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	18.00%
Non-U.S. Pension Plans [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	22.00%
Non-U.S. Pension Plans [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	4.00%
Non-U.S. Pension Plans [Member] | Insurance Contracts And Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocation in defined benefit plan	56.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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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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