Contingencies (Overview of Altria and/or PM USA Tobacco-Related Litigation Narrative) (Details)		295 Months Ended
	Jul. 27, 2023 claim case	Jul. 27, 2023 claim case	Jul. 25, 2022 claim	Jul. 26, 2021 claim	Jan. 31, 2008 claim
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim			1	1
Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim					9,300
Individual Smoking and Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim			162	169
E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim			4,030	2,626
Subsequent Event [Member] | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	1	1
Subsequent Event [Member] | Smoking and Health Class Actions and Aggregated Claims Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	1	1
Subsequent Event [Member] | Individual Smoking and Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	171	171
Subsequent Event [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	5,326	5,326
Subsequent Event [Member] | E-vapor Litigation [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	3	3
Subsequent Event [Member] | PM USA [Member] | Health Care Cost Recovery Actions [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	10	10
Subsequent Event [Member] | PM USA [Member] | Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	2	2
Number of verdicts returned	144
Number of favorable verdicts	59
Number of unfavorable verdicts	78
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of verdicts returned		76
Number of favorable verdicts		47
Number of unfavorable verdicts		29
Number of claims resolved		25
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Alaska [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | California [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		7
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Connecticut [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Florida [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		10
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Louisiana [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Massachusetts [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		6
Number of verdicts reversed		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Mississippi [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Missouri [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		4
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New Hampshire [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New Mexico [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New Jersey [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | New York [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		5
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Ohio [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		2
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Pennsylvania [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		2
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Rhode Island [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		1
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | Tennessee [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		2
Subsequent Event [Member] | PM USA [Member] | Non Engle Progeny Cases [Member] | West Virginia [Member]
Loss Contingencies [Line Items]
Number of favorable verdicts		2
Subsequent Event [Member] | PM USA [Member] | Individual Smoking and Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	3	3
Subsequent Event [Member] | PM USA [Member] | E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	0	0
Subsequent Event [Member] | Philip Morris USA and Altria Group [Member] | Health Care Cost Recovery Actions [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	8	8
Subsequent Event [Member] | Philip Morris USA and Altria Group [Member] | Smoking and Health Class Actions and Aggregated Claims Litigation [Member] | Canada [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim	7	7