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- Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Analysis of income and expense [abstract] |  |
Percentage of foreign operations utilizing U.S. dollar | 23.00% | 24.00%

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- References No definition available. + Details
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- Definition Risk Exposure Associated With Instruments Sharing Characteristic Concentration Percentage + References No definition available. + Details
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