Income Taxes (Reconciliation of Effective Tax Rate and U.S. Federal Statutory Rate) (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	21.00%	35.00%	35.00%
Increase (decrease) resulting from:
State and local income taxes, net of federal tax benefit	4.00%	3.50%	1.20%
Re-measurement of net deferred tax liabilities	0.00%	(31.20%)	0.00%
Tax basis in foreign investments	1.50%	(7.80%)	(0.00%)
Deemed repatriation tax	0.10%	4.20%	0.00%
Uncertain tax positions	0.10%	(0.90%)	0.00%
Investment in AB InBev/SABMiller	(1.10%)	(5.90%)	(0.60%)
Domestic manufacturing deduction	(0.00%)	(1.80%)	(0.80%)
Other	(0.20%)	0.80%	0.00%
Effective tax rate	25.40%	(4.10%)	34.80%