| Sep 30, 2018 | Sep 30, 2019 | Sep 30, 2020 | Sep 30, 2021 |
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| Cash and cash equivalents | 184 | 214 | 1,708 | 1,699 |
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| Accounts receivable | 1,481 | 1,357 | 1,219 | 1,231 |
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| Work in progress | 943 | 1,096 | 1,075 | 1,045 |
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| Current financial assets | 12 | 40 | 19 | 19 |
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| Prepaid expenses and other current assets | 154 | 172 | 160 | 172 |
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| Income taxes | 5 | 10 | 29 | 5 |
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| Total current assets before funds held for clients | 2,779 | 2,889 | 4,211 | 4,172 |
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| Funds held for clients | 326 | 368 | 725 | 593 |
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| Total current assets | 3,104 | 3,257 | 4,936 | 4,765 |
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| Property, plant and equipment | 388 | 398 | 373 | 352 |
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| Right-of-use assets | - | - | 667 | 586 |
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| Contract costs | 243 | 223 | 239 | 231 |
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| Intangible assets | 479 | 518 | 521 | 507 |
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| Other long-term assets | 105 | 180 | 164 | 192 |
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| Long-term financial assets | 118 | 177 | 157 | 153 |
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| Deferred tax assets | 140 | 101 | 113 | 96 |
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| Goodwill | 7,342 | 7,768 | 8,380 | 8,140 |
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| Assets | 11,919 | 12,622 | 15,550 | 15,021 |
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| Trade and other current payables | 1,135 | 1,109 | 1,026 | 891 |
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| Short-term employee benefits accruals | 602 | 643 | 673 | 1,084 |
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| Income taxes | 195 | 176 | 137 | 161 |
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| Current portion of long-term debt | 349 | 114 | 311 | 393 |
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| Current lease liabilities | - | - | 179 | 168 |
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| Provisions | 72 | 74 | 176 | 64 |
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| Current derivative financial instruments | 39 | 5 | 8 | 6 |
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| Total current liabilities before clients’ funds obligations | 2,791 | 2,517 | 2,936 | 3,212 |
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| Clients’ funds obligations | 328 | 367 | 720 | 591 |
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| Total current liabilities | 3,120 | 2,884 | 3,656 | 3,803 |
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| Long-term debt | 1,452 | 2,218 | 3,276 | 3,009 |
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| Long-term lease liabilities | - | - | 698 | 609 |
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| Long-term provisions | 26 | 25 | 24 | 27 |
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| Other long-term liabilities | 206 | 213 | 185 | 203 |
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| Long-term derivative financial instruments | 78 | 18 | 57 | 42 |
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| Deferred tax liabilities | 173 | 178 | 158 | 132 |
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| Retirement benefits obligations | 169 | 193 | 225 | 204 |
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| Liabilities | 5,234 | 5,738 | 8,286 | 8,035 |
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| Retained earnings | 4,251 | 4,558 | 4,704 | 4,732 |
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| Accumulated other comprehensive income | 202 | 177 | 546 | 332 |
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| Capital stock | 2,019 | 1,904 | 1,762 | 1,633 |
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| Contributed surplus | 213 | 246 | 253 | 290 |
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| Equity | 6,685 | 6,884 | 7,264 | 6,986 |
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| Liabilities and Equity | 11,919 | 12,622 | 15,550 | 15,021 |
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