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Hedging Transactions and Derivative Financial Instruments (Notional Values of Foreign Currency Derivatives) (Detail) - Dec. 31, 2020 - Contracts not designated as hedging instruments - Foreign Exchange Forward | USD ($) | EUR (€) | KRW (₩)
--- | --- | --- | ---
USD/CNH |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | $ | $ 28,766,855 |  |
EUR/USD |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | € |  | € 8,151,124 |
KRW/USD |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | ₩ |  |  | ₩ 10,893,500,000

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