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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2018 | Oct. 01, 2017
Operating Activities |  |  |  |
Net income before allocation to noncontrolling interests | [1],[2],[3] | $ 11,571 | $ 9,066 |
Adjustments to reconcile net income before allocation to noncontrolling interests to net cash provided by operating activities: |  |  |  |
Depreciation and amortization | [1] | 4,743 | 4,695 |
Asset write-offs and impairments | [1] | 88 | 326 |
Adjustments to loss on sale of HIS net assets | [1],[4] | (1) | 52 |
TCJA impact |  | (410) | 0 | [1],[5]
Deferred taxes from continuing operations | [1] | (974) | 241 |
Share-based compensation expense | [1] | 682 | 595 |
Benefit plan contributions in excess of income––2018 and expense––2017 | [1] | (1,000) | (1,042) |
Other adjustments, net | [1] | (1,169) | (604) |
Other changes in assets and liabilities, net of acquisitions and divestitures | [1] | (2,441) | (3,616) |
Net cash provided by operating activities | [1] | 11,089 | 9,713 |
Investing Activities |  |  |  |
Purchases of property, plant and equipment | [1] | (1,357) | (1,256) |
Purchases of short-term investments | [1] | (7,364) | (6,469) |
Proceeds from redemptions/sales of short-term investments | [1] | 12,752 | 5,778 |
Net proceeds from redemptions/sales of short-term investments with original maturities of three months or less | [1] | 385 | 2,758 |
Purchases of long-term investments | [1] | (1,503) | (2,526) |
Proceeds from redemptions/sales of long-term investments | [1] | 2,174 | 2,403 |
Acquisitions of businesses, net of cash acquired | [1] | 0 | (1,000) |
Acquisitions of intangible assets | [1] | (47) | (188) |
Other investing activities, net | [1] | 248 | 519 |
Net cash provided by investing activities | [1] | 5,289 | 19 |
Financing Activities |  |  |  |
Proceeds from short-term borrowings | [1] | 1,945 | 7,003 |
Principal payments on short-term borrowings | [1] | (4,239) | (7,659) |
Net (payments on)/proceeds from short-term borrowings with original maturities of three months or less | [1] | (973) | 566 |
Proceeds from issuance of long-term debt | [1] | 4,974 | 5,273 |
Principal payments on long-term debt | [1] | (3,104) | (4,474) |
Purchases of common stock | [1] | (7,168) | (5,000) |
Cash dividends paid | [1] | (6,015) | (5,750) |
Proceeds from exercise of stock options | [1] | 1,099 | 656 |
Other financing activities, net | [1] | (553) | (223) |
Net cash used in financing activities | [1] | (14,034) | (9,607) |
Effect of exchange-rate changes on cash and cash equivalents and restricted cash and cash equivalents | [1] | (116) | 67 |
Net increase in cash and cash equivalents and restricted cash and cash equivalents | [1] | 2,227 | 193 |
Cash and cash equivalents and restricted cash and cash equivalents, beginning | [1] | 1,431 | 2,666 |
Cash and cash equivalents and restricted cash and cash equivalents, end | [1] | 3,658 | 2,858 |
Non-cash transactions: |  |  |  |
Receipt of ICU Medical common stock | [1],[6] | 0 | 428 |
Promissory note from ICU Medical | [1],[6] | 0 | 75 |
Cash paid (received) during the period for: |  |  |  |
Income taxes | [1] | 1,666 | 1,424 |
Interest | [1] | 968 | 1,101 |
Interest rate hedges | [1] | (104) | (183) |
Cerevel Therapeutics [Member] |  |  |  |
Non-cash transactions: |  |  |  |
Equity investment received in exchange for Pfizer's assets | [1],[6] | 343 | 0 |
Allogene [Member] |  |  |  |
Non-cash transactions: |  |  |  |
Equity investment received in exchange for Pfizer's assets | [1],[6] | $ 92 | $ 0 |
[1] | Amounts may not add due to rounding.
[2] | Amounts may not add due to rounding.
[3] | Amounts may not add due to rounding.
[4] | Represents adjustments to amounts previously recorded in 2016 to write down the HIS net assets to fair value less costs to sell related to the sale of HIS net assets to ICU Medical on February 3, 2017. For additional information, see Note 2B.
[5] | As a result of the enactment of the TCJA in December 2017, Pfizer’s Provision for taxes on income for the nine months ended September 30, 2018 was favorably impacted by approximately $410 million, primarily related to certain tax initiatives associated with the TCJA, as well as favorable adjustments to the provisional estimates of the legislation. See Note 5A. Tax Matters: Taxes on Income from Continuing Operations.
[6] | For additional information, see Note 2B. Acquisition, Divestitures, Licensing Arrangements, Collaborative Arrangements and Privately Held Investment: Divestitures.

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3098-108585 + Details
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- Definition The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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