Contingencies (Schedule Of Pending Cases) (Parenthetical) (Details) (Subsequent Event [Member])	Apr. 20, 2015 cases
Flight Attendants [Member]
Loss Contingencies [Line Items]
Loss contingency pending claims, number not included	2,546
West Virginia Consolidated Proceeding [Member]
Loss Contingencies [Line Items]
Loss contingency pending claims, number included as one case	600
West Virginia Consolidated Proceeding [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Loss contingency pending claims, number included	346