Contingencies (Health Care Cost Recovery Litigation) (Narrative) (Details) - Health Care Cost Recovery Actions [Member] $ in Millions	Apr. 14, 2014 USD ($) patient	Oct. 17, 2008	Mar. 13, 2008	Feb. 26, 2008	May 25, 2007	May 09, 2007	Dec. 31, 2016 litigation_case	Dec. 31, 2015 litigation_case	Dec. 31, 2014 litigation_case
Loss Contingencies [Line Items]
Cases brought against PM							16	16	15
Canada [Member]
Loss Contingencies [Line Items]
Cases brought against PM							10
Korea [Member]
Loss Contingencies [Line Items]
Cases brought against PM							1
Loss contingency, damages sought, value | $	$ 53.7
Loss contingency damages sought number of patients | patient	3,484
Nigeria [Member]
Loss Contingencies [Line Items]
Cases brought against PM							5
Pending Litigation [Member] | The Attorney General Of Lagos State [Member] | Nigeria [Member]
Loss Contingencies [Line Items]
Damages sought, period of past reimbursements			20 years
Damages sought, period of future reimbursements			20 years
Pending Litigation [Member] | The Attorney General Of Kano State [Member] | Nigeria [Member]
Loss Contingencies [Line Items]
Damages sought, period of past reimbursements						20 years
Damages sought, period of future reimbursements						20 years
Pending Litigation [Member] | The Attorney General Of Gombe State [Member] | Nigeria [Member]
Loss Contingencies [Line Items]
Damages sought, period of past reimbursements		20 years
Damages sought, period of future reimbursements		20 years
Pending Litigation [Member] | The Attorney General Of Oyo State [Member] | Nigeria [Member]
Loss Contingencies [Line Items]
Damages sought, period of past reimbursements					20 years
Damages sought, period of future reimbursements					20 years
Pending Litigation [Member] | The Attorney General Of Ogun State [Member] | Nigeria [Member]
Loss Contingencies [Line Items]
Damages sought, period of past reimbursements				20 years
Damages sought, period of future reimbursements				20 years