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v3.8.0.1

Consolidated Statement of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income | $ 3,488 | $ 2,244 | $ 2,181
Adjustments to reconcile net income to cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 1,218 | 1,221 | 1,015
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 0 | 21 | 0
Aircraft grounding charge | 63 | 0 | 0
Unrealized Gain (Loss) on Derivatives | (50) | (200) | 113
Increase (Decrease) in Deferred Income Taxes | (1,212) | 455 | (109)
Changes in certain assets and liabilities: |  |  |
Accounts and other receivables | (102) | (50) | (88)
Other assets | (262) | (119) | 103
Accounts payable and accrued liabilities | 246 | 226 | 961
Air traffic liability | 345 | 125 | 94
Cash collateral received from (provided to) derivative counterparties | 316 | 535 | (570)
Other, net | (121) | (165) | (462)
Net cash provided by operating activities | 3,929 | 4,293 | 3,238
Net cash used in investing activities |  |  |
Capital expenditures | (2,123) | (2,038) | (2,041)
Assets constructed for others | (126) | (109) | (102)
Purchases of short-term investments | (2,380) | (2,388) | (1,986)
Proceeds from sale of short-term investments | 2,221 | 2,263 | 2,223
Other, net | 0 | 0 | (7)
Net cash used in investing activities | (2,408) | (2,272) | (1,913)
Net cash used in financing activities |  |  |
Proceeds from issuance of long-term debt | 600 | 515 | 500
Proceeds from Employee stock plans | 29 | 29 | 46
Reimbursement for assets constructed for others | 126 | 107 | 24
Proceeds from termination of interest rate derivative instrument | 0 | 0 | 12
Payments of long-term debt and capital lease obligations | (592) | (523) | (213)
Payments of convertible debt | 0 | (68) | 0
Payments of cash dividends | (274) | (222) | (180)
Repayment of construction obligation | (10) | (9) | (10)
Repurchase of common stock | (1,600) | (1,750) | (1,180)
Other, net | 15 | (3) | (23)
Net cash used in financing activities | (1,706) | (1,924) | (1,024)
NET CHANGE IN CASH AND CASH EQUIVALENTS | (185) | 97 | 301
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 1,680 | 1,583 | 1,282
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 1,495 | 1,680 | 1,583
CASH PAYMENTS FOR: |  |  |
Interest, net of amount capitalized | 81 | 100 | 105
Income taxes | 992 | 902 | 1,440
SUPPLEMENTAL DISCLOSURE OF NONCASH TRANSACTIONS: |  |  |
Flight equipment acquired through the assumption of debt | 0 | 20 | 0
Flight equipment under capital leases | 233 | 307 | 193
Assets constructed for others | $ 197 | $ 196 | $ 192

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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 + Details
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- Definition The cash inflow from sales 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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