Investment in AB InBev/SABMiller (Summary of Financial Data in AB InBev) (Details) - AB InBev [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Oct. 10, 2016
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Net revenues	$ 56,004
Gross profit	34,376
Earnings from continuing operations	6,769
Net earnings	6,845
Net earnings attributable to AB InBev	$ 5,473
Current assets		$ 30,920	$ 40,086
Long-term assets		213,696	223,701
Current liabilities		37,765	44,272
Long-term liabilities		134,236	139,112
Noncontrolling interests		$ 10,639	$ 9,177