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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Operating activities:    
Net income (loss) $ (10,218) $ 259
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Amortization of deferred financing costs and debt discount 14 0
Impairment expense 7,822 0
Depreciation and amortization 962 919
Inventory market valuation adjustment 3,220 0
Pension and other postretirement benefits, net 55 52
Deferred income taxes (625) 127
Net gain on disposal of assets (4) (214)
(Income) loss from equity method investments 1,210 [1],[2] (99)
Distributions from equity method investments 175 148
Changes in income tax receivable (1,335) (19)
Changes in the fair value of derivative instruments (47) 29
Changes in operating assets and liabilities, net of effects of businesses acquired:    
Current receivables 1,899 (1,018)
Inventories (422) (4)
Current accounts payable and accrued liabilities (3,453) 1,483
Right of use assets and operating lease liabilities, net (4) (1)
All other, net (17) (39)
Net cash provided by (used in) operating activities (768) 1,623
Investing activities:    
Additions to property, plant and equipment (1,062) (1,241)
Disposal of assets 56 24
Investments – acquisitions, loans and contributions (169) (325)
Investments - redemptions, repayments and return of capital 77 2
All other, net 10 20
Net cash used in investing activities (1,088) (1,520)
Financing activities:    
Long-term debt – borrowings 4,250 2,604
Long-term debt – repayments (1,521) (2,031)
Issuance of common stock 4 2
Common stock repurchased 0 (885)
Dividends paid (377) (354)
Distributions to noncontrolling interests (320) (325)
Contributions from noncontrolling interests 0 95
All other, net (15) (26)
Net cash provided by (used in) financing activities 2,021 (920)
Net increase (decrease) in cash, cash equivalents and restricted cash 165 (817)
Cash, cash equivalents and restricted cash at beginning of period 1,529 1,725
Cash, cash equivalents and restricted cash at end of period $ 1,694 $ 908
[1]
The 2020 period includes $1,315 million of impairment expense. See Note 4 for further information.

[2] The 2020 period includes $1,315 million of impairment expense. See Note 4 for further information.