XML 217 R160.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment, Geographic and Other Revenue Information - Narrative (Detail) $ in Millions | 12 Months Ended | 33 Months Ended
--- | --- | ---
Dec. 31, 2018 USD ($) Operating_Segment Country | Dec. 31, 2017 USD ($) Country | Dec. 31, 2016 USD ($) | Dec. 31, 2018 USD ($) Operating_Segment Country
Segment Reporting Information [Line Items] |  |  |  |  |
Number of operating segments | Operating_Segment |  | 2 |  |  | 2
Total assets | [1] | $ 159,422 | $ 171,797 |  | $ 159,422
Geographic Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Outside United States [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Number of countries outside the U.S | Country |  | 11 | 11 |  | 11
Geographic Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | United States [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 10.00% | 10.00% | 10.00% |
Geographic Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | JAPAN |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 8.00% | 8.00% | 8.00% |
Geographic Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | CHINA |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 8.00% | 7.00% | 6.00% |
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Domestic Wholesaler One [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 15.00% | 16.00% | 16.00% |
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Domestic Wholesaler Two [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 11.00% | 12.00% | 12.00% |
Customer Concentration Risk [Member] | Sales Revenue, Goods, Net [Member] | Domestic Wholesaler Three [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 10.00% | 10.00% | 10.00% |
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Three Largest U.S. Wholesaler Customers [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Percentage of total revenues |  | 34.00% | 36.00% | 29.00% |
Corporate [Member] | Scenario, Adjustment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs reclassified |  |  | $ (70) | $ (43) |
Innovative Health Segment [Member] | Operating Segments [Member] | Scenario, Adjustment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs reclassified |  |  | (468) | (312) |
Essential Health Segment [Member] | Operating Segments [Member] | Scenario, Adjustment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Costs reclassified |  |  | $ (176) | $ (167) |
[1] | Amounts may not add due to rounding.

X
- Definition Concentration Risk, Revenues, $500,000,000 or More, Number of Countries + References No definition available. + Details
Name: | pfe_ConcentrationRiskRevenues500000000orMoreNumberofCountries
Namespace Prefix: | pfe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total costs of sales and operating expenses for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_CostsAndExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_GeographicConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueGoodsNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=pfe_NonUnitedStatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=pfe_DomesticWholesalerOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=pfe_DomesticWholesalerTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=pfe_DomesticWholesalerThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=pfe_ThreeLargestUSWholesaleCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=pfe_InnovativeHealthSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=pfe_EssentialHealthSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |