Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended						12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate	$ 109,000,000		$ 207,000,000				$ 109,000,000	$ 207,000,000
Unrecognized tax benefits if recognized would affect deferred taxes	49,000,000		51,000,000				49,000,000	51,000,000
Unrecognized tax benefits	158,000,000		258,000,000		$ 227,000,000		158,000,000	258,000,000	$ 227,000,000	$ 262,000,000
Tax (benefit) provision recorded	(24,000,000)	$ (41,000,000)	(5,000,000)		25,000,000		59,000,000	14,000,000	39,000,000
Accrued interest and penalties	14,000,000		57,000,000				14,000,000	57,000,000
Interest (income) expense associated with uncertain tax position							(36,000,000)	14,000,000	5,000,000
Potential decrease in liability for uncertain tax positions	6,000,000						6,000,000
Changes to Mondelēz and PMI tax-related receivables/payables							(41,000,000)	(2,000,000)	(22,000,000)
Valuation allowances	(260,000,000)		(211,000,000)				(260,000,000)	(211,000,000)
Altria Group, Inc. [Member]
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate			177,000,000					177,000,000
Unrecognized tax benefits	158,000,000		228,000,000				158,000,000	228,000,000
PMI [Member]
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate			30,000,000					30,000,000
Accruals no longer required [Member]
Income Taxes [Line Items]
Tax (benefit) provision recorded				$ 19,000,000	$ 14,000,000	$ 25,000,000
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Net operating losses carry forward	610,000,000						610,000,000
Tax credit carryforwards	57,000,000						$ 57,000,000
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]
Income Taxes [Line Items]
Expiration date for carry forward losses							Dec. 31, 2016
Expiration date for tax credit carryforwards							Dec. 31, 2016
State and Local Jurisdiction [Member] | Latest Tax Year [Member]
Income Taxes [Line Items]
Expiration date for carry forward losses							Dec. 31, 2035
Expiration date for tax credit carryforwards							Dec. 31, 2017
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Tax credit carryforwards	301,000,000						$ 301,000,000
Foreign Tax Authority [Member] | Earliest Tax Year [Member]
Income Taxes [Line Items]
Expiration date for tax credit carryforwards							Dec. 31, 2020
Foreign Tax Authority [Member] | Latest Tax Year [Member]
Income Taxes [Line Items]
Expiration date for tax credit carryforwards							Dec. 31, 2025
PMI [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	0		30,000,000				$ 0	30,000,000
Accrued interest and penalties			$ 7,000,000					7,000,000
Mondelez [Member]
Income Taxes [Line Items]
Tax (benefit) provision recorded								2,000,000
Mondelez and PMI [Member]
Income Taxes [Line Items]
Unrecognized tax benefits	$ 0						0
Tax (benefit) provision recorded							41,000,000		22,000,000
Impact on earnings							$ 0	$ 0	$ 0