| Dec 31, 2021 | Mar 31, 2023 | Mar 31, 2024 | Mar 31, 2025 |
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| Profit Loss | -2,319 | -1,374 | -340 | 252 |
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| Depreciation | 1,300 | 900 | 834 | 660 |
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| Depreciation of right-of-use assets | 327 | 428 | 319 | 327 |
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| Amortization of transition costs and prepaid software | 1,278 | 1,199 | 1,256 | 1,278 |
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| Capitalized Contract Cost, Amortization | 563 | 472 | 531 | 420 |
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| Amortization of Intangible Assets | 37 | 46 | 30 | 30 |
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| Stock-based compensation | 71 | 113 | 95 | 100 |
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| Deferred taxes | -401 | 285 | -13 | -1 |
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| Net (gain) loss on asset sales and other | -11 | -6 | -43 | 152 |
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| Deferred costs (excluding amortization) | 1,618 | 1,592 | 1,569 | 1,762 |
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| Right-of-use assets and liabilities (excluding depreciation) | 374 | 361 | 335 | 314 |
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| Workforce rebalancing liabilities | -341 | 41 | -38 | -25 |
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| Receivables | 1,076 | -664 | -11 | -289 |
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| Accounts payable | 125 | 282 | -305 | -89 |
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| Taxes | 989 | 90 | -2 | -1 |
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| Other assets and other liabilities | -842 | 415 | 63 | 71 |
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| Net cash provided by operating activities | -119 | 781 | 454 | 942 |
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| Capital expenditures | - | 865 | 651 | 605 |
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| Proceeds from disposition of property and equipment | 194 | 23 | 138 | 83 |
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| Acquisitions and divestitures, net of cash acquired | - | - | - | -139 |
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| Other investing activities, net | 14 | -7 | 40 | 20 |
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| Net cash used in investing activities | -572 | -835 | -553 | -404 |
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| Debt repayments | 91 | 118 | 644 | 148 |
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| Proceeds from issuance of debt, net of debt issuance costs | 3,038 | - | 494 | - |
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| Common stock repurchases | - | - | - | 93 |
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| Common stock repurchases for tax withholdings | 1 | 19 | 22 | 45 |
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| Other financing activities, net | - | -4 | 2 | - |
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| Net cash used in financing activities | 2,915 | -141 | -170 | -286 |
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| Effect of exchange rate changes on cash, cash equivalents and restricted cash | -22 | -100 | -37 | -16 |
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| Net change in cash, cash equivalents and restricted cash | 2,203 | -294 | -306 | 235 |
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| Income Taxes Paid, Net | 12 | 167 | 191 | 149 |
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| Interest paid on debt | 2 | 98 | 118 | 119 |
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