| 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 | -20 | -25 | -36 | -26 | -35 | -71 | -138 | -113 | -109 | -65 | -39 |
|---|
| Amortization of Other Deferred Charges | 4 | 5 | 7 | 7 | 8 | 14 | 23 | 24 | 23 | 26 | 27 |
|---|
| Depreciation and amortization | 4 | 7 | 12 | 15 | 17 | 28 | 52 | 55 | 62 | 72 | 69 |
|---|
| Amortization of debt issuance costs | - | - | - | - | 1 | 1 | 2 | 2 | 3 | 2 | 2 |
|---|
| Amortization of premiums and discounts on investments | - | - | - | - | 0 | -0 | -0 | -1 | 0 | 3 | 1 |
|---|
| Stock-based compensation expense | 5 | 7 | 13 | 21 | 30 | 41 | 51 | 56 | 65 | 79 | 89 |
|---|
| Deferred income taxes | - | - | - | - | - | - | - | - | - | 1 | 2 |
|---|
| Gain on extinguishment of debt | - | - | - | - | - | - | - | - | - | 19 | - |
|---|
| Lease impairments | - | - | - | - | - | - | - | - | - | 4 | 2 |
|---|
| Other non-cash items | - | - | - | - | - | - | - | - | - | - | 0 |
|---|
| Accounts receivable, net | -4 | 3 | 3 | 1 | 5 | -0 | 15 | 10 | -0 | -4 | -1 |
|---|
| Prepaid expenses and other current assets | 1 | 0 | 0 | -0 | -2 | 1 | 2 | -1 | -0 | 1 | 12 |
|---|
| Deferred solution and other costs | 5 | 5 | 7 | 5 | 9 | 24 | 15 | 13 | 8 | 17 | 14 |
|---|
| Deferred implementation costs | 4 | 4 | 6 | 5 | 7 | 14 | 17 | 13 | 12 | 15 | 18 |
|---|
| Contract assets, net | - | - | - | - | 6 | 5 | 4 | 4 | 1 | -4 | -4 |
|---|
| Other long-term assets | 0 | 0 | -0 | 0 | 1 | -6 | -4 | -8 | -7 | -6 | -7 |
|---|
| Accounts payable | -1 | 1 | 0 | 3 | -0 | 1 | -2 | 2 | -1 | 9 | -10 |
|---|
| Accrued liabilities | -1 | 4 | 11 | -4 | 1 | 15 | -1 | 0 | -10 | -0 | 6 |
|---|
| Deferred revenues | - | - | - | - | 4 | 13 | 20 | 16 | 10 | -3 | 29 |
|---|
| Deferred rent and other long-term liabilities | 0 | 4 | 3 | -0 | -1 | -8 | 5 | -11 | -7 | -12 | -8 |
|---|
| Net cash provided by operating activities | -5 | 5 | 3 | 9 | 5 | 1 | -3 | 31 | 37 | 70 | 136 |
|---|
| Purchases of investments | - | - | - | - | 76 | 27 | 131 | 124 | 293 | 77 | 96 |
|---|
| Maturities of investments | - | - | - | - | 48 | 64 | 32 | 149 | 163 | 221 | 104 |
|---|
| Purchases of property and equipment | 5 | 7 | 14 | 12 | 13 | 14 | 24 | 20 | 11 | 6 | 7 |
|---|
| Capitalized software development costs | - | - | - | - | - | - | - | - | - | 25 | 22 |
|---|
| Business combinations, net of cash acquired | - | 27 | 0 | 4 | 131 | 506 | - | 65 | 5 | - | - |
|---|
| Net cash provided by (used in) investing activities | -27 | - | -17 | -18 | -171 | -483 | -124 | -65 | -166 | 113 | -21 |
|---|
| Payment for maturity of 2023 convertible notes | - | - | - | - | - | - | - | - | - | 11 | - |
|---|
| Payment for repurchases of convertible notes | - | - | - | - | - | - | - | 64 | - | 150 | - |
|---|
| Proceeds from capped calls related to convertible notes | - | - | - | - | - | - | - | - | - | -0 | - |
|---|
| Debt issuance costs related to revolving credit agreement | - | - | - | - | - | - | - | - | - | - | 1 |
|---|
| Proceeds from Stock Options Exercised | 2 | 4 | 6 | 12 | 13 | 15 | 13 | 6 | 6 | 8 | 14 |
|---|
| Net cash provided by (used in) financing activities | 81 | 52 | 1 | 12 | 217 | 476 | 435 | -51 | 6 | -152 | 13 |
|---|
| Effect of exchange rate changes on cash, cash equivalents and restricted cash | - | - | - | - | - | - | - | - | -1 | 0 | -1 |
|---|
| Net increase (decrease) in cash, cash equivalents and restricted cash | - | - | - | - | - | -7 | 308 | -85 | -124 | 32 | 127 |
|---|
| Income Taxes Paid, Net | - | - | - | - | - | -0 | 1 | 1 | 1 | 3 | 6 |
|---|
| Cash paid for interest | - | - | - | - | 1 | 3 | 4 | 3 | 3 | 3 | 3 |
|---|
| Stock-Based Compensation For Software Development | - | - | - | - | - | - | - | - | 2 | 3 | 3 |
|---|
| Capitalized Software Development Costs Incurred But Not Yet Paid | - | - | - | - | - | - | - | - | 0 | - | - |
|---|
| Capital Expenditures Incurred but Not yet Paid | 5 | 4 | - | 4 | - | 1 | 0 | - | 0 | 0 | 0 |
|---|
| Property and equipment acquired through tenant improvement allowance | - | - | - | - | - | - | - | - | - | - | 1 |
|---|