Condensed Consolidating Financial Information (Condensed Consolidating Statements of Cash Flows) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Provided by Operating Activities
Net cash provided by operating activities	$ 3,850	$ 1,945
Cash Provided by (Used in) Investing Activities
Capital expenditures	(72)	(91)
Proceeds from finance assets	0	45
Other	(9)	(200)
Net cash used in investing activities	(81)	(246)
Cash Provided by (Used in) Financing Activities
Repurchases of common stock	(950)	(1,600)
Dividends paid on common stock	(2,585)	(2,369)
Changes in amounts due to/from Altria and subsidiaries	0	0
Cash dividends paid to parent	0	0
Other	(25)	(47)
Net cash used in financing activities	(3,560)	(4,016)
Cash, cash equivalents and restricted cash:
Increase (decrease)	209	(2,317)
Balance at beginning of period	1,314	4,651
Balance at end of period	1,523	2,334
Reportable Legal Entities [Member] | Altria Group, Inc. [Member]
Cash Provided by Operating Activities
Net cash provided by operating activities	2,681	3,508
Cash Provided by (Used in) Investing Activities
Capital expenditures	0	0
Proceeds from finance assets		0
Other	8	(4)
Net cash used in investing activities	8	(4)
Cash Provided by (Used in) Financing Activities
Repurchases of common stock	(950)	(1,600)
Dividends paid on common stock	(2,585)	(2,369)
Changes in amounts due to/from Altria and subsidiaries	1,057	(1,813)
Cash dividends paid to parent	0	0
Other	(21)	(40)
Net cash used in financing activities	(2,499)	(5,822)
Cash, cash equivalents and restricted cash:
Increase (decrease)	190	(2,318)
Balance at beginning of period	1,203	4,521
Balance at end of period	1,393	2,203
Reportable Legal Entities [Member] | PM USA [Member]
Cash Provided by Operating Activities
Net cash provided by operating activities	3,549	1,424
Cash Provided by (Used in) Investing Activities
Capital expenditures	(10)	(13)
Proceeds from finance assets		0
Other	0	0
Net cash used in investing activities	(10)	(13)
Cash Provided by (Used in) Financing Activities
Repurchases of common stock	0	0
Dividends paid on common stock	0	0
Changes in amounts due to/from Altria and subsidiaries	(1,209)	1,158
Cash dividends paid to parent	(2,298)	(2,572)
Other	0	0
Net cash used in financing activities	(3,507)	(1,414)
Cash, cash equivalents and restricted cash:
Increase (decrease)	32	(3)
Balance at beginning of period	62	83
Balance at end of period	94	80
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Cash Provided by Operating Activities
Net cash provided by operating activities	595	397
Cash Provided by (Used in) Investing Activities
Capital expenditures	(62)	(78)
Proceeds from finance assets		45
Other	(17)	(196)
Net cash used in investing activities	(79)	(229)
Cash Provided by (Used in) Financing Activities
Repurchases of common stock	0	0
Dividends paid on common stock	0	0
Changes in amounts due to/from Altria and subsidiaries	152	655
Cash dividends paid to parent	(677)	(812)
Other	(4)	(7)
Net cash used in financing activities	(529)	(164)
Cash, cash equivalents and restricted cash:
Increase (decrease)	(13)	4
Balance at beginning of period	49	47
Balance at end of period	36	51
Total Consolidating Adjustments [Member]
Cash Provided by Operating Activities
Net cash provided by operating activities	(2,975)	(3,384)
Cash Provided by (Used in) Investing Activities
Capital expenditures	0	0
Proceeds from finance assets		0
Other	0	0
Net cash used in investing activities	0	0
Cash Provided by (Used in) Financing Activities
Repurchases of common stock	0	0
Dividends paid on common stock	0	0
Changes in amounts due to/from Altria and subsidiaries	0	0
Cash dividends paid to parent	2,975	3,384
Other	0	0
Net cash used in financing activities	2,975	3,384
Cash, cash equivalents and restricted cash:
Increase (decrease)	0	0
Balance at beginning of period	0	0
Balance at end of period	$ 0	$ 0