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Income Taxes (Details) $ in Millions | 12 Months Ended
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Mar. 31, 2023 USD ($) | Mar. 31, 2022 | Mar. 31, 2019 HKD ($) | Mar. 31, 2018 HKD ($)
Schedule of statutory income tax rates [Abstract] |  |  |  |
Tax rate value (in Dollars) |  |  | $ 2 | $ 2
Tax rate |  | 16.50% | 16.50% | 8.25%
Top Fin and Top AM flat rate (in Dollars) | $ 17 |  |  |
Income tax examination, description |  | The provision for Hong Kong Profits Tax for 2023 is calculated at 16.5% (2022 and 2021: 16.5%) of the estimated assessable profits for the year, taking into account a reduction granted by the Hong Kong SAR Government of 100% of the tax payable for the year of assessment 2022-23 subject to a maximum reduction of HK$6,000 for each business (2022: a maximum reduction of HK$10,000 was granted for the year of assessment 2021-22 and was taken into account in calculating the provision for 2022, 2021: a maximum reduction of HK$10,000 was granted for the year of assessment 2020-21 and was taken into account in calculating the provision for 2021). |  |

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- Definition Amount of reported income tax expense from difference to expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to base erosion and anti-abuse tax (BEAT). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- Definition A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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