Business Segment Information - Major customers (Details) - segment	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Major Customers
Number of reportable segments	4
Net sales. | Customer concentration | U.S. Government
Major Customers
Percentage of consolidated net sales	13.00%	14.00%	13.00%
Net sales. | Customer concentration | Anheuser-Busch InBev and affiliates
Major Customers
Percentage of consolidated net sales	12.00%	13.00%	12.00%
Net sales. | Customer concentration | Coca-Cola Bottlers' Sales & Services Company LLC
Major Customers
Percentage of consolidated net sales	10.00%	9.00%	9.00%