| Dec 31,
2014 | Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net loss | 72 | 549 | 247 | 248 | 343 | 163 | -1,272 | -926 | -433 | -528 | -279 |
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| Depreciation and amortization | 290 | 351 | 414 | 401 | 413 | 415 | 364 | 262 | 185 | 149 | 129 |
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| Paid-in-kind interest | - | - | - | - | - | - | - | - | - | 54 | 118 |
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| Stock-based compensation expense | 20 | 30 | 49 | 45 | 57 | 67 | 70 | 121 | 83 | 52 | 55 |
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| Loss on extinguishment of debt, net | -34 | -39 | -4 | -1 | -1 | - | -22 | -13 | -4 | -109 | -38 |
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| Amortization of upfront incentive consideration | 45 | 44 | 56 | 67 | 78 | 83 | 75 | 58 | 44 | 35 | 34 |
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| Amortization of debt discount and issuance costs | - | - | - | - | - | - | - | - | 16 | 23 | 29 |
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| (Gain) loss on investment fair value adjustment | - | - | - | - | - | - | - | - | -26 | -2 | 3 |
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| Other | 6 | 4 | -5 | 13 | -2 | 3 | 8 | 5 | 6 | -3 | 5 |
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| Deferred income taxes | -4 | 97 | 48 | 49 | 43 | -23 | -46 | -28 | -17 | 22 | -3 |
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| Provision for expected credit losses | 10 | 9 | 11 | 9 | 8 | 21 | 66 | -8 | -0 | 6 | 2 |
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| (Income) loss from discontinued operations | -39 | 314 | 6 | -2 | 2 | -2 | 3 | -3 | -1 | 0 | - |
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| Gain on sale of assets and investments | - | - | - | - | - | - | - | 15 | 180 | - | - |
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| Pension settlement charge | - | - | - | - | - | - | 18 | 8 | 7 | - | - |
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| Asset Impairment Charges | - | - | - | 81 | - | - | 9 | - | 5 | - | - |
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| Gain on loan converted to equity | - | - | - | - | - | - | - | - | 4 | - | - |
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| Accounts and other receivables | 7 | -11 | 13 | 109 | 46 | 34 | -205 | 18 | 122 | 1 | -13 |
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| Prepaid expenses and other current assets | -7 | 13 | 12 | -0 | -14 | -1 | 2 | -6 | 22 | -52 | -4 |
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| Capitalized implementation costs | 38 | 63 | 83 | 61 | 39 | 29 | 17 | 19 | 13 | 9 | 18 |
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| Upfront incentive consideration | 51 | 64 | 71 | 94 | 89 | 71 | 27 | 6 | 12 | 14 | 9 |
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| Other assets | 79 | 67 | 3 | 21 | 30 | -39 | -16 | 2 | -42 | 4 | 7 |
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| Accrued compensation and related benefits | -5 | 18 | 3 | 6 | -15 | -17 | -15 | 52 | -12 | 0 | -31 |
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| Accounts payable and other accrued liabilities | 56 | 9 | 57 | 67 | -27 | -27 | -304 | 70 | 131 | 61 | 33 |
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| Deferred revenue including upfront solution fees | 39 | 9 | 23 | 14 | 8 | -12 | 15 | -5 | -16 | 52 | -38 |
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| Cash provided by (used in) operating activities | 388 | 529 | 699 | 678 | 725 | 581 | -770 | -415 | -276 | 56 | 71 |
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| Additions to property and equipment | 227 | 287 | 328 | 316 | 284 | 115 | 65 | 54 | 69 | 87 | 84 |
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| Proceeds from Sales of Assets, Investing Activities | - | - | - | - | - | - | - | - | 392 | - | 55 |
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| Other investing activities | -0 | - | - | 1 | -9 | 20 | 4 | - | - | -1 | 0 |
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| Purchase of investments | - | - | - | - | - | - | - | - | - | 11 | - |
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| Acquisitions, net of cash acquired | 32 | 442 | 164 | - | - | 107 | - | - | 69 | 12 | - |
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| Cash (used in) provided by investing activities | - | - | - | - | -275 | -243 | -1 | -29 | 174 | -110 | -30 |
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| Proceeds from Issuance of Debt | 148 | 1,252 | 1,055 | 1,898 | - | 45 | 2,982 | 1,070 | 1,819 | 1,530 | 1,755 |
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| Payments on borrowings from lenders | 803 | 961 | 1,000 | 1,881 | 47 | 107 | 1,534 | 1,061 | 1,823 | 1,574 | 1,751 |
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| Proceeds from Long-Term Lines of Credit | - | - | - | - | - | - | - | - | - | 219 | 184 |
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| Payments on borrowings under Securitization Facility | - | - | - | - | - | - | - | - | - | 109 | 91 |
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| Debt prepayment fees and issuance costs | - | - | - | - | - | - | - | - | - | 160 | 50 |
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| Proceeds From (Repurchase Of) Settlements Of Equity | - | - | - | - | - | -6 | -6 | -23 | -16 | -6 | -7 |
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| Dividends paid on preferred stock | - | - | - | - | - | - | 6 | 22 | 21 | 16 | - |
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| Proceeds from Issuance of Redeemable Preferred Stock | - | - | - | - | - | - | - | - | - | 16 | - |
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| Other financing activities | 16 | 5 | -17 | -4 | -20 | -10 | -8 | -1 | -0 | 4 | - |
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| Cash provided by (used in) financing activities | - | - | - | - | -307 | -410 | 1,838 | -51 | -75 | -94 | 40 |
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| Cash used in operating activities | -206 | 0 | -19 | -5 | -2 | -2 | -3 | -3 | -3 | -0 | - |
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| Cash used in discontinued operations | -208 | 279 | -19 | -5 | -2 | -2 | -3 | -3 | -3 | -0 | - |
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| Effect of exchange rate changes on cash, cash equivalents and restricted cash | - | - | - | - | - | 1 | 0 | -2 | -2 | 2 | -4 |
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| Increase (decrease) in cash, cash equivalents and restricted cash | - | - | - | - | - | -73 | 1,063 | -500 | -183 | -147 | 76 |
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| Income Taxes Paid, Net | 48 | 28 | 39 | 40 | 58 | 55 | 25 | 15 | 16 | 24 | 18 |
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| Cash payments for interest | 198 | 154 | 151 | 150 | 156 | 158 | 186 | 247 | 286 | 395 | 383 |
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| Capitalized interest | 13 | 12 | 14 | 11 | 9 | 5 | 3 | 2 | 2 | 6 | 8 |
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| Non-cash additions to property and equipment | - | - | - | - | - | 33 | - | 3 | 3 | - | 0 |
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