Income Taxes (Reconciliation Of Effective Tax Rate And U.S. Federal Statutory Rate) (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	35.00%	35.00%	35.00%
State and local income taxes, net of federal tax benefit	3.50%	3.80%	3.70%
Uncertain tax positions	(0.70%)	5.50%	(2.30%)
SABMiller dividend benefit	(0.10%)	(2.00%)	(2.30%)
Domestic manufacturing deduction	(2.00%)	(2.40%)	(2.40%)
Other	(0.30%)	(0.70%)	0.00%
Effective tax rate	35.40%	39.20%	31.70%