Other Comprehensive Earnings/Losses (Reclassifications) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings	$ 50	$ 54	$ 98	$ 108
AB InBev [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings	(7)	2	(20)	2
Net loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings	67	61	137	123
Prior service cost/credit [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings	(10)	(9)	(19)	(17)
Benefit Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pre-tax amounts reclassified from accumulated other comprehensive losses to net earnings	$ 57	$ 52	$ 118	$ 106