Investment in AB InBev/SABMiller (Summary of Income Statement of SABMiller) (Details) - SABMiller Plc [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Net revenues	$ 14,543	$ 20,188	$ 22,380
Operating profit	2,099	3,690	4,478
Net earnings	$ 1,803	$ 2,838	$ 3,532