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Schedule of Weighted Average Pension Assets Allocations by Category (Detail) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
UNITED STATES |  |
Defined Benefit Plan Disclosure |  |
Total | 100.00% | 100.00%
UNITED STATES | Fixed income securities |  |
Defined Benefit Plan Disclosure |  |
Total | 94.00% | 94.00%
UNITED STATES | Equity securities |  |
Defined Benefit Plan Disclosure |  |
Total | 5.00% | 5.00%
UNITED STATES | Other than Securities Investment |  |
Defined Benefit Plan Disclosure |  |
Total | 1.00% | 1.00%
Foreign Pension Plans, Defined Benefit |  |
Defined Benefit Plan Disclosure |  |
Total | 100.00% | 100.00%
Foreign Pension Plans, Defined Benefit | Other than Securities Investment |  |
Defined Benefit Plan Disclosure |  |
Total | 100.00% | 100.00%

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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