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Financial instruments and financial risk factors - Disclosure of Detailed Information of Financial Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($)
Apr. 30, 2022
Oct. 31, 2021
Oct. 31, 2020
Disclosure of fair value measurement of assets [line items]      
Assets $ 666,755,807 $ 665,148,172 $ 12,159,399
Recurring fair value measurement [member]      
Disclosure of fair value measurement of assets [line items]      
Financial assets 11,501,265 4,072,701  
Recurring fair value measurement [member] | Li Cycle Holdings Corp [member]      
Disclosure of fair value measurement of assets [line items]      
Assets   4,072,701 571,300
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member]      
Disclosure of fair value measurement of assets [line items]      
Financial assets 11,501,265 4,072,701  
Recurring fair value measurement [member] | Level 2 of fair value hierarchy [member] | Li Cycle Holdings Corp [member]      
Disclosure of fair value measurement of assets [line items]      
Assets   4,072,701 571,300
Recurring fair value measurement [member] | Accounts Receivable [Member] | Li Cycle Holdings Corp [member]      
Disclosure of fair value measurement of assets [line items]      
Assets   4,072,701 571,300
Recurring fair value measurement [member] | Accounts Receivable [Member] | Level 2 of fair value hierarchy [member] | Li Cycle Holdings Corp [member]      
Disclosure of fair value measurement of assets [line items]      
Assets   4,072,701 $ 571,300
Recurring fair value measurement [member] | Accounts Receivable [member]      
Disclosure of fair value measurement of assets [line items]      
Financial assets 11,501,265 4,072,701  
Recurring fair value measurement [member] | Accounts Receivable [member] | Level 2 of fair value hierarchy [member]      
Disclosure of fair value measurement of assets [line items]      
Financial assets $ 11,501,265 $ 4,072,701