Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended			3 Months Ended			1 Months Ended	12 Months Ended	24 Months Ended
	Dec. 31, 2014	Sep. 30, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2012	Dec. 31, 2010	Dec. 31, 2011
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate	$ 207		$ 207	$ 212			$ 212
Unrecognized tax benefits if recognized would affect deferred taxes	51		51	15			15
Liability for tax contingencies	298		298	261			261
Accrued interest and penalties	57		57	48			48
Interest (income) expense associated with uncertain tax position			14	5	(88)
Potential decrease in liability for uncertain tax positions	139		139
Tax (benefit) provision recorded	5	(53)	(14)	(39)
Benefit for Income taxes					(75)
Changes to Mondelēz and PMI tax-related receivables/payables			(2)	(22)	52
Income Tax Examination, Payment for Settlement			0	0	456
Valuation allowances	(211)		(211)	(195)			(195)
Altria Group, Inc. [Member]
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate	177		177	173			173
PMI [Member]
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate	30		30	30			30
Mondelez [Member]
Income Taxes [Line Items]
Unrecognized tax benefits if recognized would impact effective tax rate				9			9
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Net operating losses carry forward	512		512
Tax credit carryforwards	62		62
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]
Income Taxes [Line Items]
Expiration date for carry forward losses			Dec. 31, 2015
Expiration date for tax credit carryforwards			Dec. 31, 2015
State and Local Jurisdiction [Member] | Latest Tax Year [Member]
Income Taxes [Line Items]
Expiration date for carry forward losses			Dec. 31, 2034
Expiration date for tax credit carryforwards			Dec. 31, 2017
Accruals no longer required [Member]
Income Taxes [Line Items]
Tax (benefit) provision recorded						(19)	(14)	(25)
Previously Unrecognized Foreign Tax Credits [Member]
Income Taxes [Line Items]
Tax (benefit) provision recorded							(25)
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Tax credit carryforwards	324		324
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, 2024
Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Income Tax Examination, Payment for Settlement									456
Cash payment for federal taxes and interest on underpayment of taxes										945	1,100
Relinquishment of Deposits [Member]
Income Taxes [Line Items]
Cash payment for federal taxes and interest on underpayment of taxes			750		362
Minimum [Member] | State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Statutes of limitations period, in years			3 years
Maximum [Member] | State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Statutes of limitations period, in years			4 years
Mondelez [Member]
Income Taxes [Line Items]
Liability for tax contingencies	0		0
Accrued interest and penalties				2			2
Tax (benefit) provision recorded			(2)	(22)
PMI [Member]
Income Taxes [Line Items]
Liability for tax contingencies	30		30
Accrued interest and penalties	7		7	6			6
Mondelez and PMI [Member]
Income Taxes [Line Items]
Tax (benefit) provision recorded					52
Impact on earnings			0	0	0
Interest On Tax Underpayments [Member]
Income Taxes [Line Items]
Benefit for Income taxes					$ (73)