Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Assets [Abstract]
Cash and cash equivalents	$ 3,674	$ 3,321	$ 3,620	$ 3,175
Receivables	172	124
Inventories:
Leaf tobacco	1,019	991
Other raw materials	200	200
Work in process	410	429
Finished product	456	420
Inventory, net	2,085	2,040
Due from Altria Group, Inc. and subsidiaries	0	0
Deferred income taxes	1,143	1,143
Other current assets	159	250
Total current assets	7,233	6,878
Property, plant and equipment, at cost	4,784	4,755
Less accumulated depreciation	2,812	2,772
Property, plant and equipment, net	1,972	1,983
Goodwill	5,285	5,285
Other intangible assets, net	12,044	12,049
Investment in SABMiller	5,850	6,183
Investment in consolidated subsidiaries	0	0
Finance assets, net	1,360	1,614
Due from Altria Group, Inc. and subsidiaries	0	0
Other assets	468	483
TOTAL ASSETS	34,212	34,475
Liabilities [Abstract]
Current portion of long-term debt	1,000	1,000
Accounts payable	274	416
Accrued liabilities:
Marketing	605	618
Employment costs	67	186
Settlement charges	4,551	3,500
Other	890	925
Income Taxes	482	0
Dividends payable	1,026	1,028
Due to Altria Group, Inc. and subsidiaries	0	0
Total current liabilities	8,895	7,673
Long-term debt	12,901	13,693
Deferred income taxes	5,907	6,088
Accrued pension costs	978	1,012
Accrued postretirement health care costs	2,454	2,461
Due to Altria Group, Inc. and subsidiaries	0	0
Other liabilities	515	503
Total liabilities	31,650	31,430
Contingencies
Redeemable noncontrolling interest	34	35
Stockholders' Equity
Common stock	935	935
Additional paid-in capital	5,754	5,735
Earnings reinvested in the business	26,271	26,277
Accumulated other comprehensive losses	(2,945)	(2,682)	(1,318)	(1,378)
Cost of repurchased stock	(27,482)	(27,251)
Total stockholders' equity attributable to Altria Group, Inc.	2,533	3,014
Noncontrolling interests	(5)	(4)
Total stockholders' equity	2,528	3,010		4,118
Total Liabilities and Stockholders' Equity	34,212	34,475
Reportable Legal Entities [Member] | Altria Group, Inc. [Member]
Assets [Abstract]
Cash and cash equivalents	3,639	3,281	3,579	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	8	568
Deferred income taxes	1	0
Other current assets	250	54
Total current assets	3,898	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	5,850	6,183
Investment in consolidated subsidiaries	11,407	10,665
Finance assets, net	0	0
Due from Altria Group, Inc. and subsidiaries	4,790	4,790
Other assets	145	148
TOTAL ASSETS	26,090	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	12	18
Settlement charges	0	0
Other	266	321
Income Taxes	0
Dividends payable	1,026	1,028
Due to Altria Group, Inc. and subsidiaries	6,257	4,414
Total current liabilities	8,580	6,799
Long-term debt	12,901	13,693
Deferred income taxes	1,638	1,754
Accrued pension costs	232	233
Accrued postretirement health care costs	0	0
Due to Altria Group, Inc. and subsidiaries	0	0
Other liabilities	206	196
Total liabilities	23,557	22,675
Contingencies
Redeemable noncontrolling interest	0	0
Stockholders' Equity
Common stock	935	935
Additional paid-in capital	5,754	5,735
Earnings reinvested in the business	26,271	26,277
Accumulated other comprehensive losses	(2,945)	(2,682)
Cost of repurchased stock	(27,482)	(27,251)
Total stockholders' equity attributable to Altria Group, Inc.	2,533	3,014
Noncontrolling interests	0	0
Total stockholders' equity	2,533	3,014
Total Liabilities and Stockholders' Equity	26,090	25,689
Reportable Legal Entities [Member] | PM USA [Member]
Assets [Abstract]
Cash and cash equivalents	0	3	1	1
Receivables	4	6
Inventories:
Leaf tobacco	624	616
Other raw materials	129	132
Work in process	10	4
Finished product	155	134
Inventory, net	918	886
Due from Altria Group, Inc. and subsidiaries	5,121	3,535
Deferred income taxes	1,189	1,190
Other current assets	66	101
Total current assets	7,298	5,721
Property, plant and equipment, at cost	3,113	3,112
Less accumulated depreciation	2,112	2,091
Property, plant and equipment, net	1,001	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	534	541
TOTAL ASSETS	11,604	10,060
Liabilities [Abstract]
Current portion of long-term debt	0	0
Accounts payable	125	118
Accrued liabilities:
Marketing	512	505
Employment costs	10	10
Settlement charges	4,544	3,495
Other	451	400
Income Taxes	508
Dividends payable	0	0
Due to Altria Group, Inc. and subsidiaries	354	402
Total current liabilities	6,504	4,930
Long-term debt	0	0
Deferred income taxes	0	0
Accrued pension costs	0	0
Accrued postretirement health care costs	1,598	1,608
Due to Altria Group, Inc. and subsidiaries	0	0
Other liabilities	152	151
Total liabilities	8,254	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	377	402
Accumulated other comprehensive losses	(337)	(341)
Cost of repurchased stock	0	0
Total stockholders' equity attributable to Altria Group, Inc.	3,350	3,371
Noncontrolling interests	0	0
Total stockholders' equity	3,350	3,371
Total Liabilities and Stockholders' Equity	11,604	10,060
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Assets [Abstract]
Cash and cash equivalents	35	37	40	60
Receivables	168	118
Inventories:
Leaf tobacco	395	375
Other raw materials	71	68
Work in process	400	425
Finished product	301	286
Inventory, net	1,167	1,154
Due from Altria Group, Inc. and subsidiaries	1,498	1,279
Deferred income taxes	9	9
Other current assets	90	122
Total current assets	2,967	2,719
Property, plant and equipment, at cost	1,671	1,643
Less accumulated depreciation	700	681
Property, plant and equipment, net	971	962
Goodwill	5,285	5,285
Other intangible assets, net	12,042	12,047
Investment in SABMiller	0	0
Investment in consolidated subsidiaries	0	0
Finance assets, net	1,360	1,614
Due from Altria Group, Inc. and subsidiaries	0	0
Other assets	115	121
TOTAL ASSETS	22,740	22,748
Liabilities [Abstract]
Current portion of long-term debt	0	0
Accounts payable	130	280
Accrued liabilities:
Marketing	93	113
Employment costs	45	158
Settlement charges	7	5
Other	229	287
Income Taxes	221
Dividends payable	0	0
Due to Altria Group, Inc. and subsidiaries	16	566
Total current liabilities	741	1,409
Long-term debt	0	0
Deferred income taxes	4,595	4,661
Accrued pension costs	746	779
Accrued postretirement health care costs	856	853
Due to Altria Group, Inc. and subsidiaries	4,790	4,790
Other liabilities	157	156
Total liabilities	11,885	12,648
Contingencies
Redeemable noncontrolling interest	34	35
Stockholders' Equity
Common stock	9	9
Additional paid-in capital	11,338	10,688
Earnings reinvested in the business	1,067	995
Accumulated other comprehensive losses	(1,588)	(1,623)
Cost of repurchased stock	0	0
Total stockholders' equity attributable to Altria Group, Inc.	10,826	10,069
Noncontrolling interests	(5)	(4)
Total stockholders' equity	10,821	10,065
Total Liabilities and Stockholders' Equity	22,740	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	(6,627)	(5,382)
Deferred income taxes	(56)	(56)
Other current assets	(247)	(27)
Total current assets	(6,930)	(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	(14,176)	(13,440)
Finance assets, net	0	0
Due from Altria Group, Inc. and subsidiaries	(4,790)	(4,790)
Other assets	(326)	(327)
TOTAL ASSETS	(26,222)	(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	(56)	(83)
Income Taxes	(247)
Dividends payable	0	0
Due to Altria Group, Inc. and subsidiaries	(6,627)	(5,382)
Total current liabilities	(6,930)	(5,465)
Long-term debt	0	0
Deferred income taxes	(326)	(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	(12,046)	(10,582)
Contingencies
Redeemable noncontrolling interest	0	0
Stockholders' Equity
Common stock	(9)	(9)
Additional paid-in capital	(14,648)	(13,998)
Earnings reinvested in the business	(1,444)	(1,397)
Accumulated other comprehensive losses	1,925	1,964
Cost of repurchased stock	0	0
Total stockholders' equity attributable to Altria Group, Inc.	(14,176)	(13,440)
Noncontrolling interests	0	0
Total stockholders' equity	(14,176)	(13,440)
Total Liabilities and Stockholders' Equity	$ (26,222)	$ (24,022)