| Jan 31, 2013 | Jan 31, 2014 | Jan 31, 2015 | Jan 31, 2016 | Jan 31, 2017 | Jan 31, 2018 | Jan 31, 2019 | Jan 31, 2020 | Jan 31, 2021 | Jan 31, 2022 | Jan 31, 2023 | Jan 31, 2024 | Jan 31, 2025 |
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| Net income (loss) | -119 | -173 | -248 | -290 | -408 | -321 | -418 | -481 | -282 | 29 | -367 | 1,381 | 526 |
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| Depreciation and amortization | - | - | - | - | - | - | - | 276 | 294 | 344 | 364 | 282 | 326 |
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| Share-based compensation expense | 15 | 62 | 156 | 250 | 372 | 478 | 652 | 860 | 1,005 | 1,101 | 1,295 | 1,416 | 1,519 |
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| Amortization of deferred costs | - | - | - | - | - | - | - | 91 | 113 | 139 | 175 | 213 | 251 |
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| Non-cash lease expense | - | - | - | - | - | - | - | 67 | 84 | 86 | 92 | 96 | 103 |
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| Losses on investments, net | - | - | - | - | - | - | - | - | - | 146 | -31 | -19 | -16 |
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| Accretion of discounts on marketable debt securities, net | - | - | - | - | - | - | - | - | - | - | - | 149 | 113 |
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| Deferred income taxes | - | - | - | - | - | - | - | - | - | - | - | -1,058 | 33 |
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| Other | -0 | -1 | -3 | -1 | 2 | 10 | 53 | 35 | 12 | 14 | -13 | 17 | -18 |
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| Trade and other receivables, net | 13 | 25 | 97 | 105 | 89 | 115 | 161 | 176 | 159 | 208 | 319 | 87 | 313 |
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| Deferred costs | - | 21 | 24 | 34 | 45 | 93 | 132 | 149 | 184 | 238 | 292 | 342 | 337 |
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| Prepaid expenses and other assets | 10 | 26 | 16 | 28 | 21 | 69 | 16 | 18 | -52 | 35 | 14 | -69 | -50 |
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| Accounts payable | -0 | 4 | 1 | 7 | 6 | -7 | 6 | 20 | -3 | 9 | 86 | -72 | 25 |
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| Accrued expenses and other liabilities | - | - | - | - | - | - | - | - | -18 | 51 | 136 | -95 | -41 |
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| Unearned revenue | - | - | - | - | - | - | 344 | 355 | 327 | 530 | 452 | 493 | 398 |
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| Net cash provided by operating activities | 11 | 46 | 102 | 259 | 349 | 466 | 607 | 865 | 1,268 | 1,651 | 1,657 | 2,149 | 2,461 |
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| Purchases of marketable securities | 766 | 1,587 | 1,738 | 2,126 | 1,917 | 2,516 | 1,990 | 1,797 | 2,732 | 2,859 | 7,183 | 6,150 | 4,786 |
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| Maturities of marketable securities | - | - | - | - | - | - | - | - | 1,802 | 2,804 | 4,949 | 4,519 | 3,846 |
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| Sales of marketable securities | - | - | - | - | - | - | - | 57 | 11 | 199 | 104 | 144 | 273 |
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| Capital expenditures | - | - | - | - | - | - | - | - | - | - | - | - | 269 |
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| Business combinations, net of cash acquired | - | - | 26 | 31 | 148 | 6 | 1,474 | 474 | - | 1,190 | - | 8 | 825 |
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| Purchase of other intangible assets | - | 15 | - | - | - | 11 | 10 | 1 | 3 | 8 | 1 | 10 | 3 |
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| Purchases of non-marketable equity and other investments | - | 2 | 10 | 17 | 0 | 16 | 43 | 25 | 67 | 123 | 23 | 16 | 22 |
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| Proceeds from Sale and Maturity of Other Investments | - | - | - | - | - | - | - | - | - | - | - | 2 | 5 |
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| Net cash used in investing activities | -670 | -683 | -404 | -300 | -169 | -979 | -843 | -897 | -1,242 | -1,607 | -2,506 | -1,751 | -1,781 |
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| Proceeds from Issuance of Long-Term Debt | - | - | - | - | - | - | - | - | - | - | - | - | - |
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| Repayments and extinguishment of debt | - | - | - | - | - | - | - | - | - | - | - | - | - |
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| Payments for debt issuance costs | - | - | - | - | - | - | - | - | - | - | 7 | - | - |
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| Repurchases of common stock | - | - | - | - | - | - | - | - | - | - | 75 | 423 | 700 |
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| Proceeds from issuance of common stock from employee equity plans | - | 24 | 36 | 46 | 58 | 69 | 94 | 126 | 149 | 148 | 152 | - | 186 |
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| Taxes paid related to net share settlement of equity awards | - | - | 8 | - | - | - | - | - | - | - | - | - | 636 |
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| Net cash provided by (used in) financing activities | 686 | 1,134 | 19 | 44 | 60 | 1,106 | -257 | 125 | 625 | 110 | 1,204 | -268 | -1,150 |
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| Effect of exchange rate changes | - | - | - | - | - | - | - | -0 | 1 | -1 | -1 | -1 | - |
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| Net increase (decrease) in cash, cash equivalents, and restricted cash | - | - | - | - | - | 594 | -493 | 93 | 653 | 153 | 354 | 129 | -470 |
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| Cash paid for interest | - | - | - | - | - | - | 0 | 3 | 14 | 13 | 60 | 110 | 110 |
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| Income Taxes Paid, Net | - | - | - | - | - | - | - | - | - | - | 89 | 39 | 65 |
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| Capital Expenditures Incurred but Not yet Paid | - | 2 | 9 | 14 | 28 | 52 | 56 | 46 | 55 | 47 | 51 | 52 | 27 |
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| Accrued taxes related to net share settlement of equity awards | - | - | - | - | - | - | - | - | - | - | - | - | 13 |
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