Related Party Transactions - Amounts Due To or From A-B and ABWI (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Related Party Transaction, Due from (to) Related Party [Abstract]
Due to related parties		$ 0
Anheuser Busch LLC (A-B) | Affiliated entity
Related Party Transaction, Due from (to) Related Party [Abstract]
Net amount due from related party	$ 14,208,000	12,052,000
Anheuser Busch LLC (A-B) | Affiliated entity | Fees due related to beer sales
Related Party Transaction, Due from (to) Related Party [Abstract]
Due from related parties	15,663,000	12,246,000
Anheuser Busch LLC (A-B) | Affiliated entity | Refundable deposits
Related Party Transaction, Due from (to) Related Party [Abstract]
Due to related parties	(1,619,000)	(2,162,000)
Anheuser Busch LLC (A-B) | Affiliated entity | Services rendered
Related Party Transaction, Due from (to) Related Party [Abstract]
Due to related parties	(4,836,000)	(1,782,000)
Anheuser-Busch Worldwide Investments, LLC (ABWI) and Anheuser Busch, LLC (A-B) | Affiliated entity | Fees due related to international distribution fee and media reimbursement
Related Party Transaction, Due from (to) Related Party [Abstract]
Due from related parties	$ 5,000,000	$ 3,750,000