Summary of Significant Accounting Policies - Schedule of Foreign Currency Translation of Financial Statement Items (Details)	Apr. 30, 2026	Oct. 31, 2025	Apr. 30, 2025
Maximum [Member] \| Location, Statement of Financial Position, Balance [Axis]: dxst:BalanceSheetItemsExceptForEquityAccountsMember \| China, Yuan Renminbi
Balance sheet items, except for equity accounts
Translation of exchange rates	0.068273	0.071169
Minimum [Member] \| Location, Statement of Financial Position, Balance [Axis]: dxst:BalanceSheetItemsExceptForEquityAccountsMember \| United States of America, Dollars
Balance sheet items, except for equity accounts
Translation of exchange rates	0.01	0.01
Location, Statement of Income, Balance [Axis]: dxst:IncomeStatementAndCashFlowsItemsMember \| Maximum [Member] \| China, Yuan Renminbi
Balance sheet items, except for equity accounts
Translation of exchange rates	0.069555		0.072681
Location, Statement of Income, Balance [Axis]: dxst:IncomeStatementAndCashFlowsItemsMember \| Minimum [Member] \| United States of America, Dollars
Balance sheet items, except for equity accounts
Translation of exchange rates	0.01		0.01