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v3.25.2

Share-based awards - Share options (Details) $ / shares in Units, ¥ in Millions, $ in Millions | 12 Months Ended |
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Mar. 31, 2025 CNY (¥) shares | Mar. 31, 2025 USD ($) $ / shares shares | Mar. 31, 2025 $ / shares $ / shares | Mar. 31, 2024 $ / shares | Mar. 31, 2024 CNY (¥) shares | Mar. 31, 2024 $ / shares | Mar. 31, 2023 $ / shares | Mar. 31, 2023 CNY (¥) | Mar. 31, 2025 CNY (¥) shares | Mar. 31, 2025 $ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based compensation expense | ¥ 13,970 | $ 1,925 |  |  | ¥ 18,546 |  |  | ¥ 30,831 |  |
2014 Plan |  |  |  |  |  |  |  |  |  |
Number of share options |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of year | shares | 6,834,667 | 6,834,667 |  |  |  |  |  |  |  |
Granted | shares | 150,000 | 150,000 |  |  |  |  |  |  |  |
Exercised | shares | (181,000) | (181,000) |  |  |  |  |  |  |  |
Canceled/forfeited | shares | (168,000) | (168,000) |  |  |  |  |  |  |  |
Vested and exercisable | shares |  |  |  |  |  |  |  |  | 4,475,667 |
Vested and expected to vest | shares |  |  |  |  |  |  |  |  | 6,619,558 |
Outstanding at end of year | shares | 6,635,667 | 6,635,667 |  |  | 6,834,667 |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of year | $ / shares |  | $ 85.77 |  |  |  |  |  |  |  |
Granted | $ / shares |  | 84.6 |  |  |  |  |  |  |  |
Exercised | $ / shares |  | 26 |  |  |  |  |  |  |  |
Canceled/forfeited | $ / shares |  | 26 |  |  |  |  |  |  |  |
Vested and exercisable | $ / shares |  | 98.65 | $ 98.65 |  |  |  |  |  |  |
Vested and expected to vest | $ / shares |  | 89.04 | $ 89.04 |  |  |  |  |  |  |
Outstanding at end of year | $ / shares |  | $ 88.89 |  | $ 85.77 |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |
Weighted average remaining contractual life, outstanding |  |  |  | 5 years 6 months | 5 years 6 months | 5 years 6 months |  |  | 4 years 6 months |
Weighted average remaining contractual life, granted | 7 years 1 month 6 days | 7 years 1 month 6 days |  |  |  |  |  |  |  |
Weighted average remaining contractual life, vested and exercisable | 3 years | 3 years |  |  |  |  |  |  |  |
Weighted average remaining contractual life, vested and expected to vest | 4 years 6 months | 4 years 6 months |  |  |  |  |  |  |  |
2024 Plan |  |  |  |  |  |  |  |  |  |
Number of share options |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of year | shares | 0 | 0 |  |  |  |  |  |  |  |
Granted | shares | 2,933,332 | 2,933,332 |  |  |  |  |  |  |  |
Vested and exercisable | shares |  |  |  |  |  |  |  |  | 0 |
Vested and expected to vest | shares |  |  |  |  |  |  |  |  | 2,698,650 |
Outstanding at end of year | shares | 2,933,332 | 2,933,332 |  |  | 0 |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of year | $ / shares |  |  | $ 0 |  |  |  |  |  |  |
Granted | $ / shares |  |  | 68 |  |  |  |  |  |  |
Vested and exercisable | $ / shares |  |  |  |  |  |  |  |  |  | $ 0
Vested and expected to vest | $ / shares |  |  |  |  |  |  |  |  |  | $ 68
Outstanding at end of year | $ / shares |  |  | $ 68 |  |  | $ 0 |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |
Weighted average remaining contractual life, outstanding |  |  |  |  |  |  |  |  | 5 years 10 months 24 days |
Weighted average remaining contractual life, granted | 5 years 10 months 24 days | 5 years 10 months 24 days |  |  |  |  |  |  |  |
Weighted average remaining contractual life, vested and expected to vest | 5 years 10 months 24 days | 5 years 10 months 24 days |  |  |  |  |  |  |  |
Share Based Awards Relating To Ant Financial Services |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] |  |  |  |  |  |  |  |  |  |
Share-based compensation expense | ¥ | ¥ 4 |  |  |  | ¥ (6,691) |  |  | 668 |  |
Options |  |  |  |  |  |  |  |  |  |
Number of share options |  |  |  |  |  |  |  |  |  |
Granted | shares | 0 | 0 |  |  |  |  |  |  |  |
Additional disclosure |  |  |  |  |  |  |  |  |  |
Aggregate intrinsic value of all outstanding options | ¥ |  |  |  |  |  |  |  |  | ¥ 2,614 |
Aggregate intrinsic value of options that were vested and exercisable | ¥ |  |  |  |  |  |  |  |  | 1,454 |
Aggregate intrinsic value of options that were vested and expected to vest | ¥ |  |  |  |  |  |  |  |  | 2,588 |
Weighted average grant date fair value of share options | $ / shares |  | $ 73.95 |  | $ 40.3 |  |  | $ 0 |  |  |
Total grant date fair value of options vested | ¥ | ¥ 408 |  |  |  | 238 |  |  | 327 |  |
Aggregate intrinsic value of share options exercised | ¥ | 128 |  |  |  | 382 |  |  | 67 |  |
Cash received from option exercise under the share option plans | ¥ | ¥ 10 |  |  |  | ¥ 843 |  |  | 8 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] |  |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  |  |  | 4.50% |  |  |  |  |
Risk-free interest rate, minimum | 3.36% | 3.36% |  |  |  |  |  |  |  |
Risk-free interest rate, maximum | 4.49% | 4.49% |  |  |  |  |  |  |  |
Expected dividend yield | 0.00% | 0.00% |  |  | 0.00% |  |  |  |  |
Expected life (years) |  |  |  |  | 6 years 6 months |  |  |  |  |
Expected volatility |  |  |  |  | 44.80% |  |  |  |  |
Expected volatility , minimum | 48.51% | 48.51% |  |  |  |  |  |  |  |
Expected volatility , maximum | 49.44% | 49.44% |  |  |  |  |  |  |  |
Unamortized compensation costs | ¥ |  |  |  |  |  |  |  |  | ¥ 547 |
Weighted average period over which unamortized compensation costs expected be recognized |  |  |  |  |  |  |  |  | 2 years 6 months |
Share-based compensation expense | ¥ | ¥ 349 |  |  |  | ¥ 240 |  |  | ¥ 490 |  |
Options | Minimum |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] |  |  |  |  |  |  |  |  |  |
Expected life (years) | 4 years 5 months 12 days | 4 years 5 months 12 days |  |  |  |  |  |  |  |
Options | Maximum |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] |  |  |  |  |  |  |  |  |  |
Expected life (years) | 4 years 9 months | 4 years 9 months |  |  |  |  |  |  |  |
Options | 2014 Plan | Maximum |  |  |  |  |  |  |  |  |  |
Additional disclosure |  |  |  |  |  |  |  |  |  |
Expiry period | 12 years | 12 years |  |  |  |  |  |  |  |
Options | 2024 Plan | Maximum |  |  |  |  |  |  |  |  |  |
Additional disclosure |  |  |  |  |  |  |  |  |  |
Expiry period | 10 years | 10 years |  |  |  |  |  |  |  |

X
- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for option awards granted in period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Subparagraph (a) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2A + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The minimum risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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