Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheets) (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 2,582	$ 4,569	$ 2,298	$ 2,369
Receivables	148	151
Inventories:
Leaf tobacco	784	892
Other raw materials	180	164
Work in process	432	512
Finished product	591	483
Inventory, net	1,987	2,051
Due from Altria Group, Inc. and subsidiaries	0	0
Other current assets	439	489
Total current assets	5,156	7,260
Property, plant and equipment, at cost	4,846	4,835
Less accumulated depreciation	2,939	2,877
Property, plant and equipment, net	1,907	1,958
Goodwill	5,307	5,285
Other intangible assets, net	12,196	12,036
Investment in AB InBev	18,213	17,852
Investment in consolidated subsidiaries	0	0
Finance assets, net	901	1,028
Due from Altria Group, Inc. and subsidiaries	0	0
Other assets	480	513
Total Assets	44,160	45,932
Liabilities
Accounts payable	270	425
Accrued liabilities:
Marketing	759	747
Employment costs	152	289
Settlement charges	3,383	3,701
Other	834	1,025
Dividends payable	1,264	1,188
Due to Altria Group, Inc. and subsidiaries	0	0
Total current liabilities	6,662	7,375
Long-term debt	13,890	13,881
Deferred income taxes	8,234	8,416
Accrued pension costs	611	805
Accrued postretirement health care costs	2,185	2,217
Due to Altria Group, Inc. and subsidiaries	0	0
Other liabilities	372	427
Total liabilities	31,954	33,121
Contingencies
Redeemable noncontrolling interest	37	38
Stockholders’ Equity
Common stock	935	935
Additional paid-in capital	5,940	5,893
Earnings reinvested in the business	38,542	36,906
Accumulated other comprehensive losses	(1,946)	(2,052)
Cost of repurchased stock	(31,305)	(28,912)
Total stockholders’ equity attributable to Altria Group, Inc.	12,166	12,770
Noncontrolling interests	3	3
Total stockholders’ equity	12,169	12,773		2,873
Total Liabilities and Stockholders’ Equity	44,160	45,932
Reportable Legal Entities [Member] | Altria Group, Inc. [Member]
Assets
Cash and cash equivalents	2,538	4,521	2,239	2,313
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	0	0
Other current assets	93	170
Total current assets	2,632	4,691
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 AB InBev	18,213	17,852
Investment in consolidated subsidiaries	12,050	11,636
Finance assets, net	0	0
Due from Altria Group, Inc. and subsidiaries	4,790	4,790
Other assets	12	18
Total Assets	37,697	38,987
Liabilities
Accounts payable	5	1
Accrued liabilities:
Marketing	0	0
Employment costs	19	104
Settlement charges	0	0
Other	212	261
Dividends payable	1,264	1,188
Due to Altria Group, Inc. and subsidiaries	4,489	5,030
Total current liabilities	5,989	6,584
Long-term debt	13,890	13,881
Deferred income taxes	5,277	5,424
Accrued pension costs	200	207
Accrued postretirement health care costs	0	0
Due to Altria Group, Inc. and subsidiaries	0	0
Other liabilities	175	121
Total liabilities	25,531	26,217
Contingencies
Redeemable noncontrolling interest	0	0
Stockholders’ Equity
Common stock	935	935
Additional paid-in capital	5,940	5,893
Earnings reinvested in the business	38,542	36,906
Accumulated other comprehensive losses	(1,946)	(2,052)
Cost of repurchased stock	(31,305)	(28,912)
Total stockholders’ equity attributable to Altria Group, Inc.	12,166	12,770
Noncontrolling interests	0	0
Total stockholders’ equity	12,166	12,770
Total Liabilities and Stockholders’ Equity	37,697	38,987
Reportable Legal Entities [Member] | PM USA [Member]
Assets
Cash and cash equivalents	0	1	1	0
Receivables	4	8
Inventories:
Leaf tobacco	468	541
Other raw materials	115	111
Work in process	6	3
Finished product	140	112
Inventory, net	729	767
Due from Altria Group, Inc. and subsidiaries	3,724	3,797
Other current assets	344	118
Total current assets	4,801	4,691
Property, plant and equipment, at cost	2,925	2,971
Less accumulated depreciation	2,072	2,073
Property, plant and equipment, net	853	898
Goodwill	0	0
Other intangible assets, net	2	2
Investment in AB InBev	0	0
Investment in consolidated subsidiaries	2,653	2,632
Finance assets, net	0	0
Due from Altria Group, Inc. and subsidiaries	0	0
Other assets	1,641	1,748
Total Assets	9,950	9,971
Liabilities
Accounts payable	89	92
Accrued liabilities:
Marketing	680	619
Employment costs	9	14
Settlement charges	3,376	3,696
Other	333	438
Dividends payable	0	0
Due to Altria Group, Inc. and subsidiaries	346	237
Total current liabilities	4,833	5,096
Long-term debt	0	0
Deferred income taxes	0	0
Accrued pension costs	0	0
Accrued postretirement health care costs	1,419	1,453
Due to Altria Group, Inc. and subsidiaries	0	0
Other liabilities	56	146
Total liabilities	6,308	6,695
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	593	237
Accumulated other comprehensive losses	(261)	(271)
Cost of repurchased stock	0	0
Total stockholders’ equity attributable to Altria Group, Inc.	3,642	3,276
Noncontrolling interests	0	0
Total stockholders’ equity	3,642	3,276
Total Liabilities and Stockholders’ Equity	9,950	9,971
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	44	47	58	56
Receivables	143	143
Inventories:
Leaf tobacco	316	351
Other raw materials	65	53
Work in process	426	509
Finished product	451	371
Inventory, net	1,258	1,284
Due from Altria Group, Inc. and subsidiaries	1,152	1,511
Other current assets	61	201
Total current assets	2,658	3,186
Property, plant and equipment, at cost	1,921	1,864
Less accumulated depreciation	867	804
Property, plant and equipment, net	1,054	1,060
Goodwill	5,307	5,285
Other intangible assets, net	12,194	12,034
Investment in AB InBev	0	0
Investment in consolidated subsidiaries	0	0
Finance assets, net	901	1,028
Due from Altria Group, Inc. and subsidiaries	0	0
Other assets	138	131
Total Assets	22,252	22,724
Liabilities
Accounts payable	176	332
Accrued liabilities:
Marketing	79	128
Employment costs	124	171
Settlement charges	7	5
Other	348	326
Dividends payable	0	0
Due to Altria Group, Inc. and subsidiaries	41	41
Total current liabilities	775	1,003
Long-term debt	0	0
Deferred income taxes	4,268	4,376
Accrued pension costs	411	598
Accrued postretirement health care costs	766	764
Due to Altria Group, Inc. and subsidiaries	4,790	4,790
Other liabilities	141	160
Total liabilities	11,151	11,691
Contingencies
Redeemable noncontrolling interest	37	38
Stockholders’ Equity
Common stock	9	9
Additional paid-in capital	11,856	11,585
Earnings reinvested in the business	833	1,118
Accumulated other comprehensive losses	(1,637)	(1,720)
Cost of repurchased stock	0	0
Total stockholders’ equity attributable to Altria Group, Inc.	11,061	10,992
Noncontrolling interests	3	3
Total stockholders’ equity	11,064	10,995
Total Liabilities and Stockholders’ Equity	22,252	22,724
Total Consolidating Adjustments [Member]
Assets
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	(4,876)	(5,308)
Other current assets	(59)	0
Total current assets	(4,935)	(5,308)
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 AB InBev	0	0
Investment in consolidated subsidiaries	(14,703)	(14,268)
Finance assets, net	0	0
Due from Altria Group, Inc. and subsidiaries	(4,790)	(4,790)
Other assets	(1,311)	(1,384)
Total Assets	(25,739)	(25,750)
Liabilities
Accounts payable	0	0
Accrued liabilities:
Marketing	0	0
Employment costs	0	0
Settlement charges	0	0
Other	(59)	0
Dividends payable	0	0
Due to Altria Group, Inc. and subsidiaries	(4,876)	(5,308)
Total current liabilities	(4,935)	(5,308)
Long-term debt	0	0
Deferred income taxes	(1,311)	(1,384)
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	(11,036)	(11,482)
Contingencies
Redeemable noncontrolling interest	0	0
Stockholders’ Equity
Common stock	(9)	(9)
Additional paid-in capital	(15,166)	(14,895)
Earnings reinvested in the business	(1,426)	(1,355)
Accumulated other comprehensive losses	1,898	1,991
Cost of repurchased stock	0	0
Total stockholders’ equity attributable to Altria Group, Inc.	(14,703)	(14,268)
Noncontrolling interests	0	0
Total stockholders’ equity	(14,703)	(14,268)
Total Liabilities and Stockholders’ Equity	$ (25,739)	$ (25,750)