Contingencies (Overview of Tobacco-Related Litigation Narrative) (Details)		301 Months Ended
	Jan. 29, 2024 claim case	Jan. 29, 2024 case claim	Dec. 31, 2023 claim	Dec. 31, 2022 claim	Dec. 31, 2021 claim
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim			1	1	1
Individual Smoking and Health Cases [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim			172	162	176
E-vapor Litigation [Member]
Loss Contingencies [Line Items]
Number of cases pending | claim			5,177	5,283	3,296
Subsequent Event [Member] | Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of verdicts returned	145
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	10	10
Subsequent Event [Member] | PM USA [Member] | Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of cases set for trial	0	0
Number of favorable verdicts	58
Number of unfavorable verdicts	87
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] | PM USA [Member] | Non Engle Progeny Cases [Member]
Loss Contingencies [Line Items]
Number of verdicts returned		80
Number of favorable verdicts		49
Number of unfavorable verdicts		31
Number of claims resolved		26
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	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	7	7