Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Assets [Abstract]
Cash and cash equivalents	$ 2,241		$ 3,175	$ 4,211		$ 2,900
Receivables	106		115
Inventories:
Leaf tobacco	838		933
Other raw materials	190		180
Work in process	347		394
Finished product	515		372
Inventory, net	1,890		1,879
Due from Altria Group, Inc. and subsidiaries	0		0
Deferred income taxes	1,095		1,100
Other current assets	330		321
Total current assets	5,662		6,590
Property, plant and equipment, at cost	4,851		4,817
Less accumulated depreciation	2,853		2,789
Property, plant and equipment, net	1,998		2,028
Goodwill	5,285		5,174
Other intangible assets, net	12,054		12,058
Investment in SABMiller	6,640		6,455
Investment in consolidated subsidiaries	0		0
Finance assets, net	1,773		1,997
Due from Altria Group, Inc. and subsidiaries	0		0
Other assets	670		557
TOTAL ASSETS	34,082		34,859
Liabilities [Abstract]
Current portion of long-term debt	1,300		525
Accounts payable	332		409
Accrued liabilities:
Marketing	567		512
Employment costs	141		255
Settlement charges	3,139		3,391
Other	857		1,007
Dividends payable	1,031		959
Due to Altria Group, Inc. and subsidiaries	0		0
Total current liabilities	7,367		7,058
Long-term debt	12,693		13,992
Deferred income taxes	6,829		6,854
Accrued pension costs	215		212
Accrued postretirement health care costs	2,150		2,155
Due to Altria Group, Inc. and subsidiaries	0		0
Other liabilities	502		435
Total liabilities	29,756		30,706
Contingencies
Redeemable noncontrolling interest	35		35
Stockholders' Equity
Common stock	935		935
Additional paid-in capital	5,723		5,714
Earnings reinvested in the business	26,066		25,168
Accumulated other comprehensive losses	(1,454)	(1,229)	(1,378)	(2,223)	(2,330)	(2,040)
Cost of repurchased stock	(26,976)		(26,320)
Total stockholders' equity attributable to Altria Group, Inc.	4,294		4,119
Noncontrolling interests	(3)		(1)
Total stockholders' equity	4,291		4,118			3,170
Total Liabilities and Stockholders' Equity	34,082		34,859
Reportable Legal Entities [Member] | Altria Group, Inc. [Member]
Assets [Abstract]
Cash and cash equivalents	2,203		3,114	4,169		2,862
Receivables	1		0
Inventories:
Leaf tobacco	0		0
Other raw materials	0		0
Work in process	0		0
Finished product	0		0
Inventory, net	0		0
Due from Altria Group, Inc. and subsidiaries	597		590
Deferred income taxes	0		2
Other current assets	116		109
Total current assets	2,917		3,815
Property, plant and equipment, at cost	0		2
Less accumulated depreciation	0		2
Property, plant and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Investment in SABMiller	6,640		6,455
Investment in consolidated subsidiaries	11,797		11,227
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries	4,790		4,790
Other assets	147		157
TOTAL ASSETS	26,291		26,444
Liabilities [Abstract]
Current portion of long-term debt	1,000		525
Accounts payable	25		26
Accrued liabilities:
Marketing	0		0
Employment costs	15		94
Settlement charges	0		0
Other	300		302
Dividends payable	1,031		959
Due to Altria Group, Inc. and subsidiaries	4,609		4,487
Total current liabilities	6,980		6,393
Long-term debt	12,693		13,692
Deferred income taxes	1,952		1,867
Accrued pension costs	197		197
Accrued postretirement health care costs	0		0
Due to Altria Group, Inc. and subsidiaries	0		0
Other liabilities	175		176
Total liabilities	21,997		22,325
Contingencies
Redeemable noncontrolling interest	0		0
Stockholders' Equity
Common stock	935		935
Additional paid-in capital	5,723		5,714
Earnings reinvested in the business	26,066		25,168
Accumulated other comprehensive losses	(1,454)		(1,378)
Cost of repurchased stock	(26,976)		(26,320)
Total stockholders' equity attributable to Altria Group, Inc.	4,294		4,119
Noncontrolling interests	0		0
Total stockholders' equity	4,294		4,119
Total Liabilities and Stockholders' Equity	26,291		26,444
Reportable Legal Entities [Member] | PM USA [Member]
Assets [Abstract]
Cash and cash equivalents	0		1	0		0
Receivables	3		11
Inventories:
Leaf tobacco	509		564
Other raw materials	124		121
Work in process	8		3
Finished product	169		141
Inventory, net	810		829
Due from Altria Group, Inc. and subsidiaries	3,224		3,253
Deferred income taxes	1,132		1,133
Other current assets	197		125
Total current assets	5,366		5,352
Property, plant and equipment, at cost	3,236		3,269
Less accumulated depreciation	2,183		2,168
Property, plant and equipment, net	1,053		1,101
Goodwill	0		0
Other intangible assets, net	2		2
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	2,990		2,988
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries	0		0
Other assets	456		455
TOTAL ASSETS	9,867		9,898
Liabilities [Abstract]
Current portion of long-term debt	0		0
Accounts payable	112		106
Accrued liabilities:
Marketing	488		464
Employment costs	9		10
Settlement charges	3,132		3,386
Other	436		531
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	500		473
Total current liabilities	4,677		4,970
Long-term debt	0		0
Deferred income taxes	0		0
Accrued pension costs	0		0
Accrued postretirement health care costs	1,410		1,437
Due to Altria Group, Inc. and subsidiaries	0		0
Other liabilities	171		130
Total liabilities	6,258		6,537
Contingencies
Redeemable noncontrolling interest	0		0
Stockholders' Equity
Common stock	0		0
Additional paid-in capital	3,310		3,310
Earnings reinvested in the business	525		282
Accumulated other comprehensive losses	(226)		(231)
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	3,609		3,361
Noncontrolling interests	0		0
Total stockholders' equity	3,609		3,361
Total Liabilities and Stockholders' Equity	9,867		9,898
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Assets [Abstract]
Cash and cash equivalents	38		60	42		38
Receivables	102		104
Inventories:
Leaf tobacco	329		369
Other raw materials	66		59
Work in process	339		391
Finished product	346		231
Inventory, net	1,080		1,050
Due from Altria Group, Inc. and subsidiaries	1,887		1,706
Deferred income taxes	32		26
Other current assets	57		105
Total current assets	3,196		3,051
Property, plant and equipment, at cost	1,615		1,546
Less accumulated depreciation	670		619
Property, plant and equipment, net	945		927
Goodwill	5,285		5,174
Other intangible assets, net	12,052		12,056
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	0		0
Finance assets, net	1,773		1,997
Due from Altria Group, Inc. and subsidiaries	0		0
Other assets	310		218
TOTAL ASSETS	23,561		23,423
Liabilities [Abstract]
Current portion of long-term debt	300		0
Accounts payable	195		277
Accrued liabilities:
Marketing	79		48
Employment costs	117		151
Settlement charges	7		5
Other	230		253
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	599		589
Total current liabilities	1,527		1,323
Long-term debt	0		300
Deferred income taxes	5,120		5,260
Accrued pension costs	18		15
Accrued postretirement health care costs	740		718
Due to Altria Group, Inc. and subsidiaries	4,790		4,790
Other liabilities	156		129
Total liabilities	12,351		12,535
Contingencies
Redeemable noncontrolling interest	35		35
Stockholders' Equity
Common stock	9		9
Additional paid-in capital	10,568		10,328
Earnings reinvested in the business	1,522		1,498
Accumulated other comprehensive losses	(921)		(981)
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	11,178		10,854
Noncontrolling interests	(3)		(1)
Total stockholders' equity	11,175		10,853
Total Liabilities and Stockholders' Equity	23,561		23,423
Consolidation, Eliminations [Member]
Assets [Abstract]
Cash and cash equivalents	0		0	0		0
Receivables	0		0
Inventories:
Leaf tobacco	0		0
Other raw materials	0		0
Work in process	0		0
Finished product	0		0
Inventory, net	0		0
Due from Altria Group, Inc. and subsidiaries	(5,708)		(5,549)
Deferred income taxes	(69)		(61)
Other current assets	(40)		(18)
Total current assets	(5,817)		(5,628)
Property, plant and equipment, at cost	0		0
Less accumulated depreciation	0		0
Property, plant and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	(14,787)		(14,215)
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries	(4,790)		(4,790)
Other assets	(243)		(273)
TOTAL ASSETS	(25,637)		(24,906)
Liabilities [Abstract]
Current portion of long-term debt	0		0
Accounts payable	0		0
Accrued liabilities:
Marketing	0		0
Employment costs	0		0
Settlement charges	0		0
Other	(109)		(79)
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	(5,708)		(5,549)
Total current liabilities	(5,817)		(5,628)
Long-term debt	0		0
Deferred income taxes	(243)		(273)
Accrued pension costs	0		0
Accrued postretirement health care costs	0		0
Due to Altria Group, Inc. and subsidiaries	(4,790)		(4,790)
Other liabilities	0		0
Total liabilities	(10,850)		(10,691)
Contingencies
Redeemable noncontrolling interest	0		0
Stockholders' Equity
Common stock	(9)		(9)
Additional paid-in capital	(13,878)		(13,638)
Earnings reinvested in the business	(2,047)		(1,780)
Accumulated other comprehensive losses	1,147		1,212
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	(14,787)		(14,215)
Noncontrolling interests	0		0
Total stockholders' equity	(14,787)		(14,215)
Total Liabilities and Stockholders' Equity	$ (25,637)		$ (24,906)