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Statements of Consolidated Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Activities: |  |  |
Net income (loss) | $ (1,964) | $ (7,069) | $ 3,009
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities - |  |  |
Deferred income tax (benefit) | (583) | (1,741) | 882
Depreciation and amortization | 2,485 | 2,488 | 2,288
Operating and non-operating special charges, non-cash portion | 32 | 1,448 | 175
Unrealized (gains) losses on investments | 34 | 194 | (153)
Other operating activities | 393 | 320 | 185
Changes in operating assets and liabilities - |  |  |
(Increase) decrease in receivables | (448) | 135 | 44
(Increase) decrease in other assets | (292) | 484 | (252)
Increase in advance ticket sales | 1,521 | 14 | 438
Increase in frequent flyer deferred revenue | 307 | 699 | 271
Increase (decrease) in accounts payable | 985 | (1,079) | 324
Decrease in other liabilities | (403) | (26) | (302)
Net cash provided by (used in) operating activities | 2,067 | (4,133) | 6,909
Investing Activities: |  |  |
Capital expenditures, net of flight equipment purchase deposit returns | (2,107) | (1,727) | (4,528)
Purchases of short-term and other investments | (68) | (552) | (2,933)
Proceeds from sale of short-term and other investments | 397 | 2,319 | 2,996
Proceeds from sale of property and equipment | 107 | 6 | 49
Loans made to others | 0 | 0 | (174)
Other, net | (1) | 4 | 30
Net cash provided by (used in) investing activities | (1,672) | 50 | (4,560)
Financing Activities: |  |  |
Repurchases of common stock | 0 | (353) | (1,645)
Proceeds from issuance of debt, net of discounts and fees | 11,096 | 15,676 | 1,786
Proceeds from equity issuance | 532 | 2,103 | 0
Payments of long-term debt, finance leases and other financing liabilities | (5,205) | (4,449) | (1,391)
Other, net | (27) | (20) | (30)
Net cash provided by (used in) financing activities | 6,396 | 12,957 | (1,280)
Net increase in cash, cash equivalents and restricted cash | 6,791 | 8,874 | 1,069
Cash, cash equivalents and restricted cash at beginning of year | 11,742 | 2,868 | 1,799
Cash, cash equivalents and restricted cash at end of year | 18,533 | 11,742 | 2,868
Investing and Financing Activities Not Affecting Cash: |  |  |
Property and equipment acquired through the issuance of debt, finance leases and other | 814 | 1,968 | 515
Right-of-use assets acquired through operating leases | 771 | 198 | 498
Equity interest in Avianca Group International Limited ("AVG") received in consideration for a loan | 164 | 0 | 0
Lease modifications and lease conversions | 123 | 527 | (2)
Notes receivable and warrants received for entering into aircraft and other ancillary business agreements | 131 | 0 | 0
Cash Paid (Refunded) During the Period for: |  |  |
Interest | 1,424 | 874 | 648
Income taxes | $ 0 | $ (29) | $ 29

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