Risks and Uncertainties - Summary of Percentage of Total Bottle/Can Sales Volume and Percentage Total Net Sales to Its Largest Customers (Detail)	12 Months Ended
	Dec. 31, 2020	Dec. 29, 2019	Dec. 30, 2018
Total Bottle/Can Sales Volume | Product Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	32.00%	31.00%	30.00%
Total Net Sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	24.00%	21.00%	22.00%
Wal-Mart Stores, Inc. | Total Bottle/Can Sales Volume | Product Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	19.00%	19.00%
Wal-Mart Stores, Inc. | Total Net Sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	14.00%	13.00%	14.00%
The Kroger Company | Total Bottle/Can Sales Volume | Product Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	13.00%	12.00%	11.00%
The Kroger Company | Total Net Sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	8.00%	8.00%