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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Operating activities: |  |  |
Net income (loss) | $ 707 | $ (512) | $ 52
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: |  |  |
Depreciation and amortization | 127 | 178 | 182
Deferred income taxes | (6) | (94) | 22
Share-based compensation | 27 | 46 | 26
Non-cash restructuring charges | 17 | 60 | 0
Amortization of convertible senior notes and lease financing obligations | 22 | 32 | 31
Loss on sales of subsidiaries, net of gain | 15 | 0 | 0
Loss on debt extinguishment | 22 | 14 | 0
Impairment losses | 0 | 470 | 0
Other, net | 4 | 21 | 16
Changes in operating assets and liabilities: |  |  |
Receivables | (530) | 103 | (348)
Prepaid expenses and other current assets | 6 | (56) | (69)
Medical claims and benefits payable | (226) | 263 | 226
Amounts due government agencies | (574) | 341 | 473
Accounts payable and accrued liabilities | 45 | (12) | (4)
Deferred revenue | (21) | (34) | 92
Income taxes | 51 | (16) | (26)
Net cash (used in) provided by operating activities | (314) | 804 | 673
Investing activities: |  |  |
Purchases of investments | (1,444) | (2,697) | (1,929)
Proceeds from sales and maturities of investments | 2,445 | 1,759 | 1,966
Purchases of property, equipment and capitalized software | (30) | (86) | (176)
Net cash received from sale of subsidiaries | 190 | 0 | 0
Net cash paid in business combinations | 0 | 0 | (48)
Other, net | (18) | (38) | (19)
Net cash provided by (used in) investing activities | (1,143) | 1,062 | 206
Financing activities: |  |  |
Repayment of credit facility | (300) | 0 | 0
Cash paid for partial settlement of 1.125% Conversion Option | (623) | 0 | 0
Cash received for partial settlement of 1.125% Call Option | 623 | 0 | 0
Cash paid for partial termination of 1.125% Warrants | (549) | 0 | 0
Proceeds from senior notes offerings, net of issuance costs | 0 | 325 | 0
Proceeds from borrowings under credit facility | 0 | 300 | 0
Other, net | 18 | 11 | 19
Net cash (used in) provided by financing activities | (1,193) | 636 | 19
Net (decrease) increase in cash, cash equivalents, and restricted cash and cash equivalents | (364) | 378 | 486
Cash, cash equivalents, and restricted cash and cash equivalents at beginning of period | 3,290 | 2,912 | 2,426
Cash, cash equivalents, and restricted cash and cash equivalents at end of period | 3,290 | 2,912 | 2,426
Supplemental cash flow information: |  |  |
Income taxes | 240 | 7 | 153
Interest | 93 | 78 | 66
Schedule of non-cash investing and financing activities: |  |  |
Common stock issued in exchange for 1.625% Convertible Notes | 131 | 193 | 0
Component of 1.625% Convertible Notes allocated to additional paid-in capital, net of income taxes | (23) | (32) | 0
Net increase to additional paid-in capital | 108 | 161 | 0
Common stock used for stock-based compensation | (6) | (22) | (8)
Details of sales of subsidiaries: |  |  |
Decrease in carrying amount of assets | (327) | 0 | 0
Decrease in carrying amount of liabilities | 85 | 0 | 0
Transaction costs | (15) | 0 | 0
Cash received from buyers | 242 | 0 | 0
Loss on sales of subsidiaries, net of gain | (15) | 0 | 0
Details of business combinations: |  |  |
Fair value of assets acquired | 0 | 0 | (186)
Fair value of liabilities assumed | 0 | 0 | 28
Payable to seller | 0 | 0 | 8
Amounts advanced for acquisitions | 0 | 0 | 102
Net cash paid in business combinations | 0 | 0 | (48)
Details of change in fair value of derivatives, net: |  |  |
Change in fair value of derivatives, net | 0 | 0 | 0
1.125% Call Option |  |  |
Details of change in fair value of derivatives, net: |  |  |
Change in fair value of derivatives, net | 577 | 255 | (107)
1.125% Conversion Option |  |  |
Details of change in fair value of derivatives, net: |  |  |
Change in fair value of derivatives, net | (577) | (255) | 107
1.125% Notes |  |  |
Financing activities: |  |  |
Repayment of principal amount of Notes | (298) | 0 | 0
1.625% Notes |  |  |
Financing activities: |  |  |
Repayment of principal amount of Notes | $ (64) | $ 0 | $ 0

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- Definition The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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