XML 104 R85.htm IDEA: XBRL DOCUMENT
v3.20.2

Contingencies and Certain Commitments (Patent Litigation) (Details) - Patent Infringement [Member] | 1 Months Ended | 3 Months Ended
--- | --- | ---
Jan. 31, 2020 Patents | Mar. 31, 2019 Patents | Jun. 30, 2018 Patents | Oct. 31, 2017 Patents | Mar. 31, 2017 Patents | Apr. 30, 2017 Patents Defendant
Gain Contingencies [Line Items] |  |  |  |  |  |
Number of patents which the Patent Trial and Appeal Board refused to initiate proceedings |  |  |  | 2 |  |
Judicial Ruling [Member] |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |
Number of patents infringed upon |  |  | 1 |  |  |
Pfizer Versus Generic Companies [Member] | Pending Litigation [Member] |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed upon |  | 2 |  |  |  |
Pfizer Versus Viwit Pharmaceutical Co. Ltd. [Member] | Pending Litigation [Member] |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed upon | 3 |  |  |  |  |
Xeljanz [Member] | Pfizer Versus Zydus [Member] | Pending Litigation [Member] |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed upon |  |  |  |  | 3 |
Eliquis [Member] | Pfizer and BMS Versus Several Generic Manufacturers [Member] | Pending Litigation [Member] |  |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |  |
Number of patents allegedly infringed upon |  |  |  |  |  | 3
Number of defendants | Defendant |  |  |  |  |  | 25
Number of patents allegedly infringed upon due to expire December 2019 |  |  |  |  |  | 1

X
- Definition Gain Contingency, Number of Defendants + References No definition available. + Details
Name: | pfe_GainContingencyNumberofDefendants
Namespace Prefix: | pfe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gain Contingency, Patents Allegedly Infringed Upon, Number Due To Expire In December 2019 + References No definition available. + Details
Name: | pfe_GainContingencyPatentsAllegedlyInfringedUponNumberDueToExpireInDecember2019
Namespace Prefix: | pfe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gain Contingency, Patents Without Court Proceedings, Number + References No definition available. + Details
Name: | pfe_GainContingencyPatentsWithoutCourtProceedingsNumber
Namespace Prefix: | pfe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GainContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of entity's patents that another entity has allegedly infringed. + References No definition available. + Details
Name: | us-gaap_GainContingencyPatentsAllegedlyInfringedUponNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of entity's patents that another entity was found to have infringed. + References No definition available. + Details
Name: | us-gaap_GainContingencyPatentsFoundInfringedUponNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_GainContingenciesByNatureAxis=pfe_PatentInfringementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_JudicialRulingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=pfe_PfizerVersusGenericCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=pfe_PfizerVersusViwitPharmaceuticalCo.Ltd.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=pfe_XeljanzMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=pfe_PfizerVersusZydusMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=pfe_EliquisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=pfe_PfizerandBMSVersusSeveralGenericManufacturersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |