Background and Basis of Presentation (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 10, 2016	Oct. 09, 2016	Sep. 30, 2016
Schedule of Equity Method Investments [Line Items]
Purchase of AB InBev ordinary shares		$ 1,578,000,000	$ 0	$ 0
Earnings from equity investment		795,000,000	757,000,000	1,006,000,000
SABMiller Plc [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (approximately)						27.00%	27.00%
Ordinary shares owned/purchased (in shares)					430,000,000
Earnings from equity investment		$ 795,000,000	$ 757,000,000	$ 1,006,000,000
AB InBev [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage (approximately)	10.20%	10.20%			9.60%
Ordinary shares owned/purchased (in shares)	12,341,937	12,341,937
Purchase of AB InBev ordinary shares	$ 1,600,000,000
Earnings from equity investment		$ 0