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Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |  |
Net income (loss) | $ (1,129) | $ 1,657 | $ (468)
Adjustments to reconcile net income (loss) to cash flows from operating activities: |  |  |
Impairments and other charges | 2,506 | 265 | 647
Cash impact of impairments and other charges - severance payments | (144) | 0 | 0
Depreciation, depletion and amortization | 1,625 | 1,606 | 1,556
Deferred income tax provision (benefit), continuing operations | (396) | (267) | 734
Changes in assets and liabilities: |  |  |
Receivables | 636 | (186) | (1,350)
Accounts payable | (595) | 483 | 753
Inventories | (202) | (681) | (29)
Other operating activities | 144 | 280 | 625
Total cash flows provided by (used in) operating activities | 2,445 | 3,157 | 2,468
Cash flows from investing activities: |  |  |
Capital expenditures | (1,530) | (2,026) | (1,373)
Proceeds from sales of property, plant and equipment | 190 | 218 | 158
Payments to acquire businesses, net of cash acquired | (33) | (187) | (628)
Other investing activities | (72) | 2 | (84)
Total cash flows provided by (used in) investing activities | (1,445) | (1,993) | (1,927)
Cash flows from financing activities: |  |  |
Dividends to shareholders | (630) | (630) | (626)
Proceeds from issuance of common stock | 118 | 195 | 158
Stock repurchase program | (100) | (400) | 0
Payments on long-term borrowings | (13) | (445) | (1,641)
Other financing activities | (70) | (139) | (52)
Total cash flows provided by (used in) financing activities | (695) | (1,419) | (2,161)
Effect of exchange rate changes on cash | (45) | (74) | (52)
Increase (decrease) in cash and equivalents | 260 | (329) | (1,672)
Cash and equivalents at beginning of year | 2,008 | 2,337 | 4,009
Cash and equivalents at end of year | 2,268 | 2,008 | 2,337
Cash payments (receipts) during the period for: |  |  |
Interest | 534 | 556 | 594
Income taxes | $ 363 | $ 178 | $ (178)

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration