Consolidated Statements of Comprehensive Income - USD ($) $ in Millions |
12 Months Ended | ||||||||||||||||||||
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Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Statement of Comprehensive Income [Abstract] | |||||||||||||||||||||
| Net income before allocation to noncontrolling interests | [1],[2],[3],[4] | $ 11,188 | $ 21,355 | $ 7,246 | |||||||||||||||||
| Foreign currency translation adjustments, net | [2] | (799) | 1,116 | (815) | |||||||||||||||||
| Reclassification adjustments | [2],[5] | (22) | 162 | 0 | |||||||||||||||||
| Other comprehensive income (loss), foreign currency transaction and translation adjustment, before tax, total | [2] | (821) | 1,278 | (815) | |||||||||||||||||
| Unrealized holding gains/(losses) on derivative financial instruments, net | [2] | 220 | (10) | (442) | |||||||||||||||||
| Reclassification adjustments for (gains)/losses included in net income(b) | [2],[6] | 27 | (520) | 452 | |||||||||||||||||
| Other comprehensive income (loss), derivatives qualifying as hedges, before tax, total | [2] | 247 | (530) | 10 | |||||||||||||||||
| Unrealized holding gains/(losses) on available-for-sale securities, net | [2] | (185) | 818 | 248 | |||||||||||||||||
| Reclassification adjustments for (gains)/losses included in net income | [2],[6] | 124 | (244) | (118) | |||||||||||||||||
| Reclassification adjustments for unrealized gains included in Retained earnings | [2],[7] | (462) | 0 | 0 | |||||||||||||||||
| Other comprehensive income (loss), available-for-sale securities adjustment, before tax, total | [2] | (522) | 574 | 130 | |||||||||||||||||
| Benefit plans: actuarial losses, net | [2] | (649) | (212) | (1,888) | |||||||||||||||||
| Reclassification adjustments related to amortization | [2] | 242 | 588 | 558 | [7] | ||||||||||||||||
| Reclassification adjustments related to settlements, net | [2] | 142 | 117 | 127 | [7] | ||||||||||||||||
| Other | [2] | 112 | (145) | 195 | |||||||||||||||||
| Defined benefit Plan, amounts recognized in other comprehensive income (loss), net gain (loss), before tax, total | [2] | (153) | 348 | (1,009) | |||||||||||||||||
| Benefit plans: prior service (costs)/credits and other, net | [2] | (9) | (2) | 184 | |||||||||||||||||
| Reclassification adjustments related to amortization | [2] | (181) | (184) | (173) | [7] | ||||||||||||||||
| Reclassification adjustments related to curtailments, net | [2] | (19) | (18) | (26) | [7] | ||||||||||||||||
| Other | [2] | 2 | 0 | 6 | |||||||||||||||||
| Defined benefit plan, amounts recognized in other comprehensive income (loss), net prior service cost, before tax | [2] | (207) | (203) | (8) | |||||||||||||||||
| Other comprehensive income/(loss), before tax | [2] | (1,457) | 1,468 | (1,692) | |||||||||||||||||
| Tax provision/(benefit) on other comprehensive income/(loss) | [2],[8] | 518 | (262) | (174) | |||||||||||||||||
| Other comprehensive income/(loss) before allocation to noncontrolling interests | [2],[4] | (1,975) | 1,730 | (1,518) | |||||||||||||||||
| Comprehensive income before allocation to noncontrolling interests | [2] | 9,214 | 23,085 | 5,728 | |||||||||||||||||
| Less: Comprehensive income attributable to noncontrolling interests | [2] | 16 | 62 | 28 | |||||||||||||||||
| Comprehensive income attributable to Pfizer Inc. | [2] | $ 9,198 | $ 23,023 | $ 5,701 | |||||||||||||||||
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- Definition Pre tax adjustment to other comprehensive income for curtailments and settlements, net, related to defined benefit plans prior service (costs)/credits. No definition available.
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- Definition Pre tax adjustment to other comprehensive income for other adjustments related to defined benefit plans prior service (costs)/credits. No definition available.
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- Definition Pre tax adjustment to other comprehensive income for other adjustments related to defined benefit plans actuarial gains /losses. No definition available.
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- Definition Other Comprehensive Income (Loss), Reclassification Adjustment For Unrealized Gains Included In Retained Earnings, Before Tax No definition available.
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- Definition Sum of pre tax adjustment to other comprehensive income for curtailments and settlements, net, related to defined benefit plans. No definition available.
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income from prior service cost (credit) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax, after reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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