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Consolidated Statement of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ 465 | $ 539 | $ 977
Adjustments to reconcile net income to cash provided by operating activities: |  |  |
Depreciation and amortization | 1,522 | 1,351 | 1,272
Impairment of long-lived assets | 0 | 35 | 12
Unrealized mark-to-market adjustment on available for sale securities | (4) | 4 | 0
Unrealized/realized loss on fuel derivative instruments | 0 | (2) | (15)
Deferred income taxes | 159 | 228 | (21)
Loss on extinguishment of debt | 0 | 193 | 28
Changes in certain assets and liabilities: |  |  |
Accounts and other receivables | (89) | 422 | (701)
Other assets | 60 | (66) | 75
Accounts payable and accrued liabilities | 1,386 | 936 | 38
Air traffic liability | 29 | 525 | 591
Other liabilities | (137) | (334) | (103)
Cash collateral received from (provided to) derivative counterparties | (56) | (69) | 141
Other, net | (171) | 28 | 28
Net cash provided by operating activities | 3,164 | 3,790 | 2,322
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Capital expenditures | (3,520) | (3,924) | (505)
Assets constructed for others | (33) | (22) | (6)
Purchases of short-term investments | (6,970) | (5,592) | (5,824)
Proceeds from sales of short-term and other investments | 7,591 | 5,792 | 5,071
Net cash used in investing activities | (2,932) | (3,746) | (1,264)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Proceeds from Payroll Support Program loan and warrants | 0 | 0 | 1,136
Proceeds from Employee stock plans | 48 | 45 | 51
Payments of long-term debt and finance lease obligations | (85) | (2,437) | (612)
Payments of cash dividends | (428) | 0 | 0
Proceeds of terminated interest rate derivative instruments | 23 | 0 | 0
Payments for repurchases and conversions of convertible debt | 0 | (648) | (293)
Other, net | 6 | 8 | 77
Net cash provided by (used in) financing activities | (436) | (3,032) | 359
NET CHANGE IN CASH AND CASH EQUIVALENTS | (204) | (2,988) | 1,417
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 9,492 | 12,480 | 11,063
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 9,288 | 9,492 | 12,480
CASH PAYMENTS FOR: |  |  |
Interest, net of amount capitalized | 228 | 305 | 336
Income taxes | 18 | 20 | 445
SUPPLEMENTAL DISCLOSURE OF NON-CASH TRANSACTIONS: |  |  |
Adoption of Accounting Standards Update 2020-06, Debt | 0 | 245 | 0
Right-of-use assets acquired under operating leases | 82 | 58 | 327
Flight equipment acquired against supplier credit memo | 0 | 0 | 569
Assets constructed for others | 0 | 0 | 309
Remeasurement of right-of-use asset and lease liability | $ 0 | $ 0 | $ 343

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