Contingencies (Health Care Cost Recovery Litigation Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended		33 Months Ended
	Nov. 30, 1998 USD ($) state	Sep. 30, 2015 USD ($) cases	Sep. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Sep. 30, 2015 USD ($) cases plantiff	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) cases	Oct. 27, 2014 cases	Oct. 21, 2013 cases
Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | cases								1	1
Number of states with settled litigation | state	46
State Settlement Agreements annual payments	$ 9,400
State Settlement Agreements attorney fees annual cap	$ 500
Litigation settlement, amount		$ 126	$ 0		$ 126	$ 90
Other MSA-Related Litigation [Member]
Loss Contingencies [Line Items]
Number of unfavorable verdicts | cases					16
NEW YORK | Health Care Cost Recovery Actions, Medicare as Secondary Payer Case [Member]
Loss Contingencies [Line Items]
Number of claims dismissed | cases					2
FLORIDA | Health Care Cost Recovery Actions, Medicare as Secondary Payer Case [Member]
Loss Contingencies [Line Items]
Number of claims dismissed | cases					2
MASSACHUSETTS | Health Care Cost Recovery Actions, Medicare as Secondary Payer Case [Member]
Loss Contingencies [Line Items]
Number of claims dismissed | cases					1
Settled Litigation [Member] | Health Care Cost Recovery Actions [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Number of states with settled litigation | plantiff					24
Litigation settlement, amount							$ 599
Settled Litigation [Member] | NEW YORK | Health Care Cost Recovery Actions, 2004-2014 NPM Adjustment [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount		$ 126			$ 126	43
Threatened Litigation [Member] | CANADA | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Number of cases pending | cases		10			10		10
Cost of Sales [Member] | Health Care Cost Recovery Actions [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount		$ (1,100)	$ (1,200)		$ (3,300)	$ (3,500)
Cost of Sales [Member] | Settled Litigation [Member] | Health Care Cost Recovery Actions [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount				$ 519
Cost of Sales [Member] | Settled Litigation [Member] | NEW YORK | Health Care Cost Recovery Actions, 2004-2014 NPM Adjustment [Member] | PM USA [Member]
Loss Contingencies [Line Items]
Litigation settlement, amount		$ 126