Contingencies (Other Smoking and Health Class Actions Narrative) (Details) - Smoking And Health Class Actions And Aggregated Claims Litigation [Member] - case	272 Months Ended
	Dec. 31, 2018	Jan. 29, 2019	Dec. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Number of cases pending	2		4	5
Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	61
Arkansas [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
California [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Delaware [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
District Of Columbia [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	2
Florida [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	2
Illinois [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	3
Iowa [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Kansas [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Louisiana [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Maryland [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Michigan [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Minnesota [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Nevada [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	29
New Jersey [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	6
New York [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	2
Ohio [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Oklahoma [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Oregon [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Pennsylvania [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Puerto Rico [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
South Carolina [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Texas [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Wisconsin [Member] | Philip Morris USA [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Canada [Member] | Philip Morris USA and Altria Group [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending		7
British Columbia [Member] | Philip Morris USA and Altria Group [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of cases pending		2