XML 79 R62.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Financial Instruments - Investments - Unrealized Gains and Losses Related to Equity Securities (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Oct. 01, 2017 | Sep. 30, 2018 | Oct. 01, 2017
Financial Instruments [Abstract] |  |  |  |  |  |  |
Net gains recognized during the period on investments in equity securities | [2] | $ 94 | [1] | $ 45 | $ 460 | [1] | $ 111
Less: Net gains recognized during the period on equity securities sold during the period |  | (54) |  |  | (90) |  |
Net unrealized gains during the reporting period on equity securities still held at the reporting date | [3] | $ 40 |  |  | $ 370 |  |
[1] | The net gains on investments in equity securities are reported in Other (income)/deductions––net and, for the third quarter and first nine months of 2018, include unrealized net gains on equity securities reflecting the adoption of a new accounting standard in the first quarter of 2018. For additional information, see Note 4.
[2] | The net gains on investments in equity securities for the third quarter of 2018 include unrealized net gains on equity securities of $8 million and, for the first nine months of 2018, include unrealized net gains on equity securities of $344 million, reflecting the adoption of a new accounting standard in the first quarter of 2018. We continue to hold 2.5 million shares of ICU Medical common stock and we recognized unrealized gains of $24 million in the third quarter of 2018 and unrealized gains of $229 million in the first nine months of 2018 related to these remaining shares. Prior to the adoption of a new accounting standard in the first quarter of 2018, net unrealized gains and losses on virtually all equity securities with readily determinable fair values were reported in Accumulated other comprehensive income. For additional information, see Note 1B, Note 2B and Note 7B.
[3] | The third quarter of 2018 includes $8 million of unrealized net gains in Other (income)/deductions––net reflecting the adoption of a new accounting standard in the first quarter of 2018 and $32 million of unrealized gains on other equity securities. The first nine months of 2018 includes $344 million of unrealized net gains in Other (income)/deductions––net reflecting the adoption of a new accounting standard in the first quarter of 2018 and $26 million of unrealized gains on other equity securities. For additional information, see Note 1B and Note 4.

X
- Definition Financial Instruments [Abstract] + References No definition available. + Details
Name: | pfe_FinancialInstrumentsAbstract
Namespace Prefix: | pfe_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84241550&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84241550&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiRealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84241550&loc=SL75117546-209714 + Details
Name: | us-gaap_EquitySecuritiesFvNiUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration