Accounting Policies - Inventory, PP&E and Other (Details)	12 Months Ended
	Dec. 31, 2020
Inventory Adjustments [Abstract]
Trailing period used for sales	12 months
Minimum
Inventory Adjustments [Abstract]
Number of years of sales on hand for inventories	1 year
Maximum
Inventory Adjustments [Abstract]
Number of years of sales on hand for inventories	3 years
Buildings and improvements | Minimum
Property, plant and equipment
Estimated useful lives of the assets	10 years
Buildings and improvements | Maximum
Property, plant and equipment
Estimated useful lives of the assets	40 years
Machinery and equipment | Minimum
Property, plant and equipment
Estimated useful lives of the assets	3 years
Machinery and equipment | Maximum
Property, plant and equipment
Estimated useful lives of the assets	15 years