Contingencies (Overview of Altria Group, Inc. and/or PM USA Tobacco-Related Litigation Narrative) (Details) $ in Millions		1 Months Ended	9 Months Ended	132 Months Ended
	Oct. 26, 2015 cases	Sep. 30, 2014 cases	Sep. 30, 2015 USD ($) cases	Oct. 26, 2015 USD ($) cases	Oct. 27, 2014 cases	Oct. 21, 2013 cases
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending					1	1
Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending					5	6
Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of claims dismissed		750
Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending					67	68
Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending					13	15
PM USA [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			60
PM USA [Member] | CALIFORNIA | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			1
PM USA [Member] | FLORIDA | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			2
PM USA [Member] | FLORIDA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number cases with granted new trial			1
PM USA [Member] | LOUISIANA | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			1
PM USA [Member] | NEW JERSEY | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			6
PM USA [Member] | NEW YORK | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			2
PM USA [Member] | OHIO | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			1
PM USA [Member] | PENNSYLVANIA | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of claims dismissed			1
Subsequent Event [Member] | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending	1			1
Subsequent Event [Member] | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending	5			5
Subsequent Event [Member] | Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Judgments paid | $				$ 22
Litigation settlement interest expense (income) | $				$ 3
Subsequent Event [Member] | Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending	65			65
Subsequent Event [Member] | Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending	12			12
Subsequent Event [Member] | Tobacco and Health Judgment [Member]
Loss Contingencies [Line Items]
Judgments paid | $				$ 279
Litigation settlement interest expense (income) | $				$ 144
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of claims dismissed	1
Subsequent Event [Member] | PM USA [Member] | Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending	2			2
Number of cases set for trial	5			5
Number of verdicts returned	87
Number of favorable verdicts	38
Number of unfavorable verdicts	47
Subsequent Event [Member] | PM USA [Member] | Individual Smoking And Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	0			0
Subsequent Event [Member] | PM USA [Member] | Lights Ultra Lights Class Actions [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	0			0
Number of cases in trial	1			1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of verdicts returned	56
Number of favorable verdicts	38
Number of unfavorable verdicts	18
Number of claims resolved	15
Subsequent Event [Member] | PM USA [Member] | ALASKA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | CALIFORNIA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	6
Subsequent Event [Member] | PM USA [Member] | FLORIDA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	10
Subsequent Event [Member] | PM USA [Member] | LOUISIANA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | MASSACHUSETTS | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | MISSISSIPPI | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | Missouri [Member] | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	3
Subsequent Event [Member] | PM USA [Member] | NEW HAMPSHIRE | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | NEW JERSEY | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | NEW YORK | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	5
Subsequent Event [Member] | PM USA [Member] | OHIO | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	2
Subsequent Event [Member] | PM USA [Member] | PENNSYLVANIA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | RHODE ISLAND | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	1
Subsequent Event [Member] | PM USA [Member] | TENNESSEE | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	2
Subsequent Event [Member] | PM USA [Member] | WEST VIRGINIA | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts	2
Subsequent Event [Member] | PM USA [Member] | CANADA | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending	10			10
Subsequent Event [Member] | Philip Morris USA and Altria Group [Member] | CANADA | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending	8			8
Subsequent Event [Member] | Philip Morris USA and Altria Group [Member] | CANADA | Smoking And Health Class Actions And Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending	7			7
Pending Litigation [Member] | PM USA [Member] | Other Assets [Member]
Loss Contingencies [Line Items]
Security posted for appeal of judgments | $			$ 69