Income Taxes (Schedule of Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Deferred income tax assets:
Accrued postretirement and postemployment benefits	$ 539	$ 952
Settlement charges	614	1,446
Accrued pension costs	136	330
Net operating losses and tax credit carryforwards	18	288
Total deferred income tax assets	1,307	3,016
Deferred income tax liabilities:
Property, plant and equipment	(261)	(429)
Intangible assets	(2,674)	(4,032)
Investment in AB InBev	(2,859)	(5,546)
Finance assets, net	(404)	(708)
Other	(121)	(125)
Total deferred income tax liabilities	(6,319)	(10,840)
Valuation allowances	0	(240)
Net deferred income tax liabilities	$ (5,012)	$ (8,064)