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Earnings per share/ADS (Details) ¥ / shares in Units, $ / shares in Units, ¥ in Millions, shares in Millions, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 30, 2019 | Mar. 31, 2022 CNY (¥) ¥ / shares shares | Mar. 31, 2022 USD ($) $ / shares shares | Mar. 31, 2021 CNY (¥) ¥ / shares shares | Mar. 31, 2020 CNY (¥) ¥ / shares shares | Jul. 29, 2019
Earnings per share/ADS |  |  |  |  |  |
Ratio of share subdivision | 8 |  |  |  |  |
ADS ratio | 8 | 8 | 8 | 8 | 8 | 1
Numerator: |  |  |  |  |  |
Net income attributable to ordinary shareholders for computing net income per ordinary share - basic |  | ¥ 61,959 | $ 9,774 | ¥ 150,308 | ¥ 149,263 |
Dilution effect arising from share-based awards issued by subsidiaries and equity method investees | ¥ |  | (37) |  | (55) | (48) |
Net income attributable to ordinary shareholders for computing net income per ordinary share - diluted | ¥ |  | ¥ 61,922 |  | ¥ 150,253 | ¥ 149,215 |
Shares (denominator): |  |  |  |  |  |
Weighted average number of shares used in calculating net income per ordinary share - basic (million shares) |  | 21,558 | 21,558 | 21,619 | 21,017 |
Adjustments for dilutive RSUs and share options (million shares) |  | 229 | 229 | 363 | 329 |
Weighted average number of shares used in calculating net income per ordinary share - diluted (million shares) |  | 21,787 | 21,787 | 21,982 | 21,346 |
Net income per ordinary share - basic (RMB) | (per share) |  | ¥ 2.87 | $ 0.45 | ¥ 6.95 | ¥ 7.10 |
Net income per ordinary share - diluted (RMB) | (per share) |  | 2.84 | 0.45 | 6.84 | 6.99 |
Earnings per ADS |  |  |  |  |  |
Net income per ADS - basic (RMB) | (per share) |  | 22.99 | 3.63 | 55.63 | 56.82 |
Net income per ADS - diluted (RMB) | (per share) |  | ¥ 22.74 | $ 3.59 | ¥ 54.70 | ¥ 55.93 |

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