Investment in AB InBev/SABMiller (Summary of Balance Sheet of SABMiller and AB InBev) (Details) - USD ($) $ in Millions	Oct. 10, 2016	Dec. 31, 2015
SABMiller Plc [Member]
Schedule of Equity Method Investments [Line Items]
Current assets		$ 4,266
Long-term assets		38,425
Current liabilities		6,282
Long-term liabilities		13,960
Noncontrolling interests		$ 1,235
AB InBev [Member]
Schedule of Equity Method Investments [Line Items]
Current assets	$ 40,086
Long-term assets	223,701
Current liabilities	44,272
Long-term liabilities	139,112
Noncontrolling interests	$ 9,177