Income Taxes (Schedule of Deferred Income Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Accrued postretirement and postemployment benefits	$ 953	$ 1,054
Settlement charges	1,393	1,379
Accrued pension costs	512	410
Net operating losses and tax credit carryforwards	335	357
Total deferred income tax assets	3,193	3,200
Property, plant and equipment	(441)	(468)
Intangible assets	(3,968)	(3,915)
Investment in SABMiller	(1,794)	(2,039)
Finance assets, net	(909)	(1,123)
Other	(116)	(190)
Total deferred income tax liabilities	(7,228)	(7,735)
Valuation allowances	(260)	(211)
Deferred Tax Liabilities, Net	$ (4,295)	$ (4,746)