Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheets) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Assets [Abstract]
Cash and cash equivalents	$ 1,123		$ 3,321	$ 1,193		$ 3,175
Receivables	142		124
Inventories:
Leaf tobacco	865		991
Other raw materials	201		200
Work in process	367		429
Finished product	481		420
Inventory, net	1,914		2,040
Due from Altria Group, Inc. and subsidiaries	0		0
Deferred income taxes	1,143		1,143
Other current assets	311		250
Total current assets	4,633		6,878
Property, plant and equipment, at cost	4,805		4,755
Less accumulated depreciation	2,814		2,772
Property, plant and equipment, net	1,991		1,983
Goodwill	5,285		5,285
Other intangible assets, net	12,039		12,049
Investment in SABMiller	6,117		6,183
Investment in consolidated subsidiaries	0		0
Finance assets, net	1,339		1,614
Due from Altria Group, Inc. and subsidiaries	0		0
Other assets	465		483
TOTAL ASSETS	31,869		34,475
Liabilities [Abstract]
Current portion of long-term debt	1,003		1,000
Accounts payable	290		416
Accrued liabilities:
Marketing	674		618
Employment costs	104		186
Settlement charges	2,206		3,500
Other	961		925
Dividends payable	1,023		1,028
Due to Altria Group, Inc. and subsidiaries	0		0
Total current liabilities	6,261		7,673
Long-term debt	12,917		13,693
Deferred income taxes	6,011		6,088
Accrued pension costs	945		1,012
Accrued postretirement health care costs	2,451		2,461
Due to Altria Group, Inc. and subsidiaries	0		0
Other liabilities	475		503
Total liabilities	$ 29,060		$ 31,430
Contingencies
Redeemable noncontrolling interest	$ 36		$ 35
Stockholders' Equity
Common stock	935		935
Additional paid-in capital	5,768		5,735
Earnings reinvested in the business	26,698		26,277
Accumulated other comprehensive losses	(2,878)	$ (2,945)	(2,682)	(1,229)	$ (1,318)	(1,378)
Cost of repurchased stock	(27,744)		(27,251)
Total stockholders' equity attributable to Altria Group, Inc.	2,779		3,014
Noncontrolling interests	(6)		(4)
Total stockholders' equity	2,773		3,010			4,118
Total Liabilities and Stockholders' Equity	31,869		34,475
Reportable Legal Entities [Member] | Altria Group, Inc. [Member]
Assets [Abstract]
Cash and cash equivalents	1,077		3,281	1,146		3,114
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	0		568
Deferred income taxes	1		0
Other current assets	179		54
Total current assets	1,257		3,903
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	6,117		6,183
Investment in consolidated subsidiaries	11,404		10,665
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries	4,790		4,790
Other assets	141		148
TOTAL ASSETS	23,709		25,689
Liabilities [Abstract]
Current portion of long-term debt	1,000		1,000
Accounts payable	19		18
Accrued liabilities:
Marketing	0		0
Employment costs	14		18
Settlement charges	0		0
Other	322		321
Dividends payable	1,023		1,028
Due to Altria Group, Inc. and subsidiaries	3,503		4,414
Total current liabilities	5,881		6,799
Long-term debt	12,901		13,693
Deferred income taxes	1,732		1,754
Accrued pension costs	231		233
Accrued postretirement health care costs	0		0
Due to Altria Group, Inc. and subsidiaries	0		0
Other liabilities	185		196
Total liabilities	$ 20,930		$ 22,675
Contingencies
Redeemable noncontrolling interest	$ 0		$ 0
Stockholders' Equity
Common stock	935		935
Additional paid-in capital	5,768		5,735
Earnings reinvested in the business	26,698		26,277
Accumulated other comprehensive losses	(2,878)		(2,682)
Cost of repurchased stock	(27,744)		(27,251)
Total stockholders' equity attributable to Altria Group, Inc.	2,779		3,014
Noncontrolling interests	0		0
Total stockholders' equity	2,779		3,014
Total Liabilities and Stockholders' Equity	23,709		25,689
Reportable Legal Entities [Member] | PM USA [Member]
Assets [Abstract]
Cash and cash equivalents	1		3	0		1
Receivables	4		6
Inventories:
Leaf tobacco	494		616
Other raw materials	131		132
Work in process	10		4
Finished product	167		134
Inventory, net	802		886
Due from Altria Group, Inc. and subsidiaries	2,686		3,535
Deferred income taxes	1,189		1,190
Other current assets	82		101
Total current assets	4,764		5,721
Property, plant and equipment, at cost	3,103		3,112
Less accumulated depreciation	2,116		2,091
Property, plant and equipment, net	987		1,021
Goodwill	0		0
Other intangible assets, net	2		2
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	2,769		2,775
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries	0		0
Other assets	543		541
TOTAL ASSETS	9,065		10,060
Liabilities [Abstract]
Current portion of long-term debt	0		0
Accounts payable	147		118
Accrued liabilities:
Marketing	588		505
Employment costs	9		10
Settlement charges	2,199		3,495
Other	467		400
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	374		402
Total current liabilities	3,784		4,930
Long-term debt	0		0
Deferred income taxes	0		0
Accrued pension costs	0		0
Accrued postretirement health care costs	1,588		1,608
Due to Altria Group, Inc. and subsidiaries	0		0
Other liabilities	139		151
Total liabilities	$ 5,511		$ 6,689
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	578		402
Accumulated other comprehensive losses	(334)		(341)
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	3,554		3,371
Noncontrolling interests	0		0
Total stockholders' equity	3,554		3,371
Total Liabilities and Stockholders' Equity	9,065		10,060
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Assets [Abstract]
Cash and cash equivalents	45		37	47		60
Receivables	138		118
Inventories:
Leaf tobacco	371		375
Other raw materials	70		68
Work in process	357		425
Finished product	314		286
Inventory, net	1,112		1,154
Due from Altria Group, Inc. and subsidiaries	1,192		1,279
Deferred income taxes	9		9
Other current assets	58		122
Total current assets	2,554		2,719
Property, plant and equipment, at cost	1,702		1,643
Less accumulated depreciation	698		681
Property, plant and equipment, net	1,004		962
Goodwill	5,285		5,285
Other intangible assets, net	12,037		12,047
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	0		0
Finance assets, net	1,339		1,614
Due from Altria Group, Inc. and subsidiaries	0		0
Other assets	105		121
TOTAL ASSETS	22,324		22,748
Liabilities [Abstract]
Current portion of long-term debt	3		0
Accounts payable	124		280
Accrued liabilities:
Marketing	86		113
Employment costs	81		158
Settlement charges	7		5
Other	236		287
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	1		566
Total current liabilities	538		1,409
Long-term debt	16		0
Deferred income taxes	4,603		4,661
Accrued pension costs	714		779
Accrued postretirement health care costs	863		853
Due to Altria Group, Inc. and subsidiaries	4,790		4,790
Other liabilities	151		156
Total liabilities	$ 11,675		$ 12,648
Contingencies
Redeemable noncontrolling interest	$ 36		$ 35
Stockholders' Equity
Common stock	9		9
Additional paid-in capital	11,339		10,688
Earnings reinvested in the business	824		995
Accumulated other comprehensive losses	(1,553)		(1,623)
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	10,619		10,069
Noncontrolling interests	(6)		(4)
Total stockholders' equity	10,613		10,065
Total Liabilities and Stockholders' Equity	22,324		22,748
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	(3,878)		(5,382)
Deferred income taxes	(56)		(56)
Other current assets	(8)		(27)
Total current assets	(3,942)		(5,465)
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	(14,173)		(13,440)
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries	(4,790)		(4,790)
Other assets	(324)		(327)
TOTAL ASSETS	(23,229)		(24,022)
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	(64)		(83)
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	(3,878)		(5,382)
Total current liabilities	(3,942)		(5,465)
Long-term debt	0		0
Deferred income taxes	(324)		(327)
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	$ (9,056)		$ (10,582)
Contingencies
Redeemable noncontrolling interest	$ 0		$ 0
Stockholders' Equity
Common stock	(9)		(9)
Additional paid-in capital	(14,649)		(13,998)
Earnings reinvested in the business	(1,402)		(1,397)
Accumulated other comprehensive losses	1,887		1,964
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	(14,173)		(13,440)
Noncontrolling interests	0		0
Total stockholders' equity	(14,173)		(13,440)
Total Liabilities and Stockholders' Equity	$ (23,229)		$ (24,022)