Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Assets [Abstract]
Cash and cash equivalents	$ 2,571		$ 2,900	$ 1,528		$ 3,270
Receivables	114		193
Inventories:
Leaf Tobacco	759		876
Other raw materials	182		173
Work in Process	311		349
Finished Goods	449		348
Inventory, net	1,701		1,746
Due from Altria Group, Inc. and subsidiaries	0		0
Deferred income taxes	1,217		1,216
Other current assets	257		260
Total current assets	5,860		6,315
Property, plant and equipment, at cost	4,776		4,750
Less accumulated depreciation	2,736		2,648
Property, plant and equipment, net	2,040		2,102
Goodwill	5,174		5,174
Other intangible assets, net	12,068		12,078
Investment in SABMiller	6,502		6,637
Investment in consolidated subsidiaries	0		0
Finance assets, net	2,345		2,581
Due from Altria Group, Inc. and subsidiaries			0
Other assets	451		442
TOTAL ASSETS	34,440		35,329
Liabilities [Abstract]
Current portion of long-term debt	1,984		1,459
Accounts payable	275		451
Accrued liabilities:
Marketing	513		568
Employment costs	169		184
Settlement charges	2,088		3,616
Other	1,156		1,093
Dividends payable	885		888
Due to Altria Group, Inc. and subsidiaries	0		0
Total current liabilities	7,070		8,259
Long-term debt	12,890		12,419
Deferred income taxes	6,560		6,652
Accrued pension costs	1,293		1,735
Accrued postretirement health care costs	2,498		2,504
Due to Altria Group, Inc. and subsidiaries			0
Other liabilities	530		556
Total liabilities	30,841		32,125
Contingencies
Redeemable noncontrolling interest	33		34
Stockholders' Equity
Common stock	935		935
Additional paid-in capital	5,670		5,688
Earnings reinvested in the business	25,201		24,316
Accumulated other comprehensive losses	(2,330)	(2,068)	(2,040)	(1,674)	(1,685)	(1,887)
Cost of repurchased stock	(25,911)		(25,731)
Total stockholders' equity attributable to Altria Group, Inc.	3,565		3,168
Noncontrolling interests	1		2
Total stockholders' equity	3,566		3,170			3,683
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	34,440		35,329
Altria Group, Inc. [Member]
Assets [Abstract]
Cash and cash equivalents	2,536		2,862	1,502		3,245
Receivables	21		101
Inventories:
Leaf Tobacco	0		0
Other raw materials	0		0
Work in Process	0		0
Finished Goods	0		0
Inventory, net	0		0
Due from Altria Group, Inc. and subsidiaries	5,568		834
Deferred income taxes	0		0
Other current assets	187		0
Total current assets	8,312		3,797
Property, plant and equipment, at cost	2		2
Less accumulated depreciation	2		2
Property, plant and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Investment in SABMiller	6,502		6,637
Investment in consolidated subsidiaries	9,628		9,521
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries			4,500
Other assets	150		136
TOTAL ASSETS	24,592		24,591
Liabilities [Abstract]
Current portion of long-term debt	1,984		1,459
Accounts payable	1		4
Accrued liabilities:
Marketing	0		0
Employment costs	81		27
Settlement charges	0		0
Other	339		469
Dividends payable	885		888
Due to Altria Group, Inc. and subsidiaries	2,737		3,965
Total current liabilities	6,027		6,812
Long-term debt	12,591		12,120
Deferred income taxes	1,999		2,034
Accrued pension costs	227		235
Accrued postretirement health care costs	0		0
Due to Altria Group, Inc. and subsidiaries			0
Other liabilities	183		222
Total liabilities	21,027		21,423
Redeemable noncontrolling interest	0		0
Stockholders' Equity
Common stock	935		935
Additional paid-in capital	5,670		5,688
Earnings reinvested in the business	25,201		24,316
Accumulated other comprehensive losses	(2,330)		(2,040)
Cost of repurchased stock	(25,911)		(25,731)
Total stockholders' equity attributable to Altria Group, Inc.	3,565		3,168
Noncontrolling interests	0		0
Total stockholders' equity	3,565		3,168
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	24,592		24,591
PM USA [Member]
Assets [Abstract]
Cash and cash equivalents	1		0	0		0
Receivables	7		7
Inventories:
Leaf Tobacco	403		512
Other raw materials	132		127
Work in Process	4		3
Finished Goods	201		117
Inventory, net	740		759
Due from Altria Group, Inc. and subsidiaries	1,994		3,424
Deferred income taxes	1,246		1,246
Other current assets	166		193
Total current assets	4,154		5,629
Property, plant and equipment, at cost	3,258		3,253
Less accumulated depreciation	2,126		2,073
Property, plant and equipment, net	1,132		1,180
Goodwill	0		0
Other intangible assets, net	2		2
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	3,006		3,018
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries			0
Other assets	538		530
TOTAL ASSETS	8,832		10,359
Liabilities [Abstract]
Current portion of long-term debt	0		0
Accounts payable	131		155
Accrued liabilities:
Marketing	496		526
Employment costs	8		10
Settlement charges	2,082		3,610
Other	783		506
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	420		409
Total current liabilities	3,920		5,216
Long-term debt	0		0
Deferred income taxes	0		0
Accrued pension costs	0		0
Accrued postretirement health care costs	1,735		1,759
Due to Altria Group, Inc. and subsidiaries			0
Other liabilities	192		178
Total liabilities	5,847		7,153
Redeemable noncontrolling interest	0		0
Stockholders' Equity
Common stock	0		0
Additional paid-in capital	3,321		3,321
Earnings reinvested in the business	81		314
Accumulated other comprehensive losses	(417)		(429)
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	2,985		3,206
Noncontrolling interests	0		0
Total stockholders' equity	2,985		3,206
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	8,832		10,359
Non-Guarantor Subsidiaries [Member]
Assets [Abstract]
Cash and cash equivalents	34		38	26		25
Receivables	86		85
Inventories:
Leaf Tobacco	356		364
Other raw materials	50		46
Work in Process	307		346
Finished Goods	248		231
Inventory, net	961		987
Due from Altria Group, Inc. and subsidiaries	1,351		1,171
Deferred income taxes	17		16
Other current assets	82		175
Total current assets	2,531		2,472
Property, plant and equipment, at cost	1,516		1,495
Less accumulated depreciation	608		573
Property, plant and equipment, net	908		922
Goodwill	5,174		5,174
Other intangible assets, net	12,066		12,076
Investment in SABMiller	0		0
Investment in consolidated subsidiaries	0		0
Finance assets, net	2,345		2,581
Due from Altria Group, Inc. and subsidiaries			0
Other assets	130		141
TOTAL ASSETS	23,154		23,366
Liabilities [Abstract]
Current portion of long-term debt	0		0
Accounts payable	143		292
Accrued liabilities:
Marketing	17		42
Employment costs	80		147
Settlement charges	6		6
Other	258		272
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	5,756		1,055
Total current liabilities	6,260		1,814
Long-term debt	299		299
Deferred income taxes	4,928		4,983
Accrued pension costs	1,066		1,500
Accrued postretirement health care costs	763		745
Due to Altria Group, Inc. and subsidiaries			4,500
Other liabilities	155		156
Total liabilities	13,471		13,997
Redeemable noncontrolling interest	33		34
Stockholders' Equity
Common stock	9		9
Additional paid-in capital	10,272		10,272
Earnings reinvested in the business	1,161		943
Accumulated other comprehensive losses	(1,793)		(1,891)
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	9,649		9,333
Noncontrolling interests	1		2
Total stockholders' equity	9,650		9,335
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	23,154		23,366
Total Consolidating Adjustments [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 Goods	0		0
Inventory, net	0		0
Due from Altria Group, Inc. and subsidiaries	(8,913)		(5,429)
Deferred income taxes	(46)		(46)
Other current assets	(178)		(108)
Total current assets	(9,137)		(5,583)
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	(12,634)		(12,539)
Finance assets, net	0		0
Due from Altria Group, Inc. and subsidiaries			(4,500)
Other assets	(367)		(365)
TOTAL ASSETS	(22,138)		(22,987)
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	(224)		(154)
Dividends payable	0		0
Due to Altria Group, Inc. and subsidiaries	(8,913)		(5,429)
Total current liabilities	(9,137)		(5,583)
Long-term debt	0		0
Deferred income taxes	(367)		(365)
Accrued pension costs	0		0
Accrued postretirement health care costs	0		0
Due to Altria Group, Inc. and subsidiaries			(4,500)
Other liabilities	0		0
Total liabilities	(9,504)		(10,448)
Redeemable noncontrolling interest	0		0
Stockholders' Equity
Common stock	(9)		(9)
Additional paid-in capital	(13,593)		(13,593)
Earnings reinvested in the business	(1,242)		(1,257)
Accumulated other comprehensive losses	2,210		2,320
Cost of repurchased stock	0		0
Total stockholders' equity attributable to Altria Group, Inc.	(12,634)		(12,539)
Noncontrolling interests	0		0
Total stockholders' equity	(12,634)		(12,539)
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ (22,138)		$ (22,987)