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Employee Benefits - Percentage of Assets Invested (Detail) - Pension Plan [Member] | Dec. 31, 2019 | Dec. 31, 2018
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U.S Plans [Member] | Cash Equivalents [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 1.00% | 1.00%
U.S Plans [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 13.00% | 25.00%
U.S Plans [Member] | Fixed income [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 86.00% | 74.00%
U.S Plans [Member] | Real Estate [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 0.00% | 0.00%
U.S Plans [Member] | Alternative and other investments [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 0.00% | 0.00%
Non-U.S. Plans [Member] | Cash Equivalents [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 1.00% | 3.00%
Non-U.S. Plans [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 14.00% | 12.00%
Non-U.S. Plans [Member] | Fixed income [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 37.00% | 36.00%
Non-U.S. Plans [Member] | Real Estate [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 8.00% | 8.00%
Non-U.S. Plans [Member] | Alternative and other investments [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of assets invested | 40.00% | 41.00%

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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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