Derivative Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details) - Cash Flow Hedges € in Millions, $ in Millions	Dec. 31, 2021 EUR (€) MWh metricTon MMBTU T	Dec. 31, 2021 USD ($) MWh metricTon MMBTU T	Dec. 31, 2020 EUR (€) metricTon MWh T MMBTU	Dec. 31, 2020 USD ($) metricTon MWh T MMBTU
Foreign exchange forwards
Derivative [Line Items]
Notional amount of derivatives	€ 308	$ 2	€ 242	$ 0
Natural Gas | Commodity purchase swaps
Derivative [Line Items]
Quantities of derivatives held | MMBTU	40,498,000	40,498,000	38,801,400	38,801,400
Tin | Commodity purchase swaps
Derivative [Line Items]
Quantities of derivatives held	1,648	1,648	812	812
Zinc | Commodity purchase swaps
Derivative [Line Items]
Quantities of derivatives held	7,167	7,167	25,361	25,361
Electricity | Commodity purchase swaps
Derivative [Line Items]
Quantities of derivatives held | MWh	810,720	810,720	760,320	760,320
Iron Ore Pellets | Commodity purchase swaps
Derivative [Line Items]
Quantities of derivatives held	30,000	30,000	0	0
Iron Ore Pellets | Zero-cost collars
Derivative [Line Items]
Quantities of derivatives held	1,296,000	1,296,000	0	0
Hot-rolled Coil | Sales swaps
Derivative [Line Items]
Quantities of derivatives held | T	157,120	157,120	120,000	120,000