Hedging Transactions and Derivative Financial Instruments (Notional Values of Derivative Instruments) (Details) - Contracts not designated as hedging instruments	Jun. 30, 2021 USD ($) tons_per_month	Jun. 30, 2021 KRW (₩) tons_per_month	Jun. 30, 2021 EUR (€) tons_per_month
July 2021 - September 2021
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	222	222	222
October 2021 - December 2021
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	222	222	222
January 2022 - March 2022
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	213	213	213
April 2022 - June 2022
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	168	168	168
USD/CNH | Foreign Currency Derivatives
Derivative [Line Items]
Notional Values of Foreign Currency Derivatives | $	$ 19,919,008
KRW/USD | Foreign Currency Derivatives
Derivative [Line Items]
Notional Values of Foreign Currency Derivatives | ₩		₩ 10,170,000,000
EUR/USD | Foreign Currency Derivatives
Derivative [Line Items]
Notional Values of Foreign Currency Derivatives | €			€ 10,049,732