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LG Chem, Ltd. [Member] LG Chem, Ltd. 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[Table Text Block] Schedule of Outstanding Shares Issuance of convertible notes Issuance Of Convertible Notes Issuance Of Convertible Notes Current assets Current assets Year 2 1 - 3 years Later than one year and not later than two years [member] Peridot Acquisition Corp. Peridot Acquisition Corp. [Member] Peridot Acquisition Corp. 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Net loss Profit (loss), attributable to owners of parent Disclosure of subsidiaries [table] Disclosure of subsidiaries [table] Market Price Per Tonne of Metals Market Price Per Tonne of Metals Market Price Per Tonne of Metals Summary of number and weighted average exercise prices of stock options Disclosure of number and weighted average exercise prices of share options [text block] Summary of assumptions used in stock option pricing Disclosure of significant unobservable inputs used in fair value measurement of liabilities [text block] Li-Cycle Europe AG Li-Cycle Europe AG [Member] Li-Cycle Europe AG Risk free interest rate, share options granted Risk free interest rate, share options granted Tranche [Axis] Tranche [Axis] Tranche Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Classes of ordinary shares [axis] Classes of ordinary shares [axis] Changes in equity [abstract] Changes in equity [abstract] Public Warrant Public Warrant [Member] Public Warrant Li-Cycle Corp. Li-Cycle Corp. [Member] Li-Cycle Corp. Entity Address, State or Province Entity Address, State or Province Related party transactions Disclosure of related party [text block] Gain on financial instruments Gains (losses) on financial assets at fair value through profit or loss Write-downs (reversals of write-downs) of inventories Write-downs (reversals of write-downs) of inventories Schedule of right-of-use assets Disclosure of quantitative information about right-of-use assets [text block] Disclosure of maturity analysis of operating lease payments [table] Disclosure of maturity analysis of operating lease payments [table] Currency in which information is displayed [axis] Currency in which information is displayed [axis] Borrowings, conversion price (in dollars per share) Borrowings, Conversion Price Per Share Borrowings, Conversion Price Per Share LTIP Long Term Incentive Plan [Member] Long Term Incentive Plan Disclosure of detailed information about financial instruments [table] Disclosure of detailed information about financial instruments [table] Purchase of plant and equipment in payables and accruals Accrual For Purchase Of Property, Plant And Equipment Accrual For Purchase Of Property, Plant And Equipment Accounts receivable Trade receivables [member] Expected dividend as percentage, share options granted Expected dividend as percentage, share options granted Nature Of Operations [Abstract] Nature Of Operations Total equity Shareholders' equity, beginning balance Shareholders' equity, ending balance Equity Equity Summary of Convertible Debt Disclosure Of Detailed Information About Convertible Debentures [Table Text Block] Disclosure Of Detailed Information About Convertible Debentures Inventories [Abstract] Inventories [Abstract] Raw materials Current raw materials Lease liabilities Disclosure Of Lease Liabilities Explanatory [Text Block] Disclosure Of Lease Liabilities Explanatory Germany GERMANY Number Of Li-Cycle's Co-Founders Number Of Li-Cycle's Co-Founders Number Of Li-Cycle's Co-Founders Borrowing costs recognised as expense Borrowing costs recognised as expense Expiration period, share based payment arrangements Maximum Term Of Options Granted For Share-Based Payment Arrangement Maximum Term Of Options Granted For Share-Based Payment Arrangement Share issuance Issue of equity Schedule of other receivables Disclosure Of Detailed Information About Other Receivables [Table Text Block] Disclosure Of Detailed Information About Other Receivables Forfeited (in dollars per share) Weighted Average Share Price, Forfeited Weighted Average Share Price, Forfeited Fair value (gain) on warrants Fair Value Gain (Loss) On Warrant Liability Fair Value Gain (Loss) On Warrant Liability Components of equity [axis] Components of equity [axis] Foreign exchange gains (losses) Lease Liability, Foreign Exchange Gains (Losses) Lease Liability, Foreign Exchange Gains (Losses) Measurement [axis] Measurement [axis] Lease repayments Lease Liability, Repayments Lease Liability, Repayments Purchase orders Commitments Made By Entity, Purchase Orders Commitments Made By Entity, Purchase Orders Post employment benefits Post-employment benefit expense in profit or loss Document Shell Company Report Document Shell Company Report Prepaid equipment deposits Prepayments Of Equipment Deposits Prepayments Of Equipment Deposits Li-Cycle Holdings Corp. Li-Cycle Holdings Corp. [Member] Li-Cycle Holdings Corp. CANADA CANADA Office, administrative and travel General and administrative expense Total liabilities Liabilities Financial Instruments [Abstract] Financial Instruments [Abstract] Financial Instruments [Abstract] Number Of Key Customers Number Of Key Customers Number Of Key Customers Loss reflected in equity A decrease in equity attributable to owners of the Company Increase (decrease) through change in equity of subsidiaries, equity Debt Principal Debt Principal [Member] Debt Principal Redemptions (in shares) Number Of Warrants Exercised, Redemptions Number Of Warrants Exercised, Redemptions Convertible Debt interest Convertible Debt interest [Member] Convertible Debt interest Fair value pricing adjustments Gains (Losses) Arising From Changes in Estimates Of Accounts Receivable Gains (Losses) Arising From Changes in Estimates Of Accounts Receivable Types of share-based payment arrangements [axis] Types of share-based payment arrangements [axis] Aggregated measurement Aggregated measurement [member] Repayment of lease principal Payments of lease liabilities, classified as financing activities Schedule of prepayments and deposits Schedule Of Prepayments And Deposits [Table Text Block] Schedule Of Prepayments And Deposits Restoration provisions Non-current provision for decommissioning, restoration and rehabilitation costs Series C Shares Series C Shares [Member] Series C Shares Tranche [Domain] Tranche [Domain] Tranche [Domain] Accumulated depreciation Accumulated depreciation and amortisation [member] 10% increase in prices Increase Fair Value Adjustment Attributable To Price Changes Increase Fair Value Adjustment Attributable To Price Changes Interest expense Interest expense Glencore Convertible Note Glencore Convertible Note [Member] Glencore Convertible Note Lease liabilities Lease liabilities [member] Fees and benefits Key Management Personnel Compensation, Fees And Benefits Key Management Personnel Compensation, Fees And Benefits Prepaid insurance Current Prepaid Insurance Current Prepaid Insurance Entity Filer Category Entity Filer Category Ordinary shares [member] Ordinary shares [member] Restoration Provision Disclosure of provisions [text block] Current Fiscal Year End Date Current Fiscal Year End Date Other income (expense) Disclosure of derivative financial instruments [text block] Li-Cycle Americas Corp. Li-Cycle Americas Corp. [Member] Li-Cycle Americas Corp. 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And LG Energy Solution Ltd. LG Chem, Ltd. And LG Energy Solution Ltd. [Member] LG Chem, Ltd. And LG Energy Solution Ltd. 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Li-Cycle North America Hub, Inc. [Member] Li-Cycle North America Hub, Inc. Cost of inventories recognised as expense Cost of inventories recognised as expense during period Ownership [Domain] Ownership [Domain] Machinery Machinery [member] Operating expenses Expenses, by nature Warrant liability Warrant liability Share-based payment arrangements Share-based payment arrangements [member] Change in finished goods inventory Decrease (increase) in inventories of finished goods and work in progress Borrowings by name Borrowings by name [member] Other receivables Adjustments for decrease (increase) in other operating receivables Accrued expenses Current accrued expenses and other current liabilities Tranche Two Tranche Two Tranche Two [Member] Tranche Two Revenue Revenues Revenue Li-Cycle Inc. Li-Cycle Inc. [Member] Li-Cycle Inc. Accounts payable and accrued liabilities Disclosure of accrued expenses and other liabilities [text block] Private Warrant Private Warrant [Member] Private Warrant Entity Address, City or Town Entity Address, City or Town Depreciation Depreciation expense LG Energy Solution, Ltd. LG Energy Solution, Ltd. [Member] LG Energy Solution, Ltd. Right-of-use assets Right-of-use assets, beginning balance Right-of-use assets, ending balance Right-of-use assets Financial liabilities Financial liabilities Undiscounted lease liabilities Undiscounted operating lease payments to be received Revenue Revenue [abstract] Disclosure of geographical areas [line items] Disclosure of geographical areas [line items] Accumulated other comprehensive loss Accumulated other comprehensive income Document Transition Report Document Transition Report Li-Cycle U.S. Inc. Li-Cycle U.S. Holdings Inc. [Member] Li-Cycle U.S. Holdings Inc. 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[text block] Number Of Tranches Number Of Tranches Number Of Tranches Document Period End Date Document Period End Date Number of warrants unexercised (in shares) Number Of Warrants Unexercised Number Of Warrants Unexercised Related party transactions Disclosure of transactions between related parties [text block] Balance, beginning of the period Balance, end of the period Restoration provision Provision for decommissioning, restoration and rehabilitation costs Weighted average remaining contractual life of outstanding share options Weighted average remaining contractual life of outstanding share options Accounts payable and accrued liabilities Accounts payable and accrued liabilities Trade and other current payables Central index key Entity Central Index Key Prepaids and deposits Prepayment And Deposits, Current and Noncurrent Prepayment And Deposits, Current and Noncurrent Weighted average exercise price per stock option, beginning of period (in dollars per share) Weighted average exercise price per stock option, end of period (in dollars per share) Weighted average exercise price of share options outstanding in share-based payment arrangement Payment in Kind Note Payment in Kind Note [Member] Payment in Kind Note Disclosure of classes of share capital [line items] Disclosure of classes of share capital [line items] Fair value of stock options granted Fair Value Of Shares From Share-Based Payment Transactions Fair Value Of Shares From Share-Based Payment Transactions Summary of plant and equipment Disclosure of detailed information about property, plant and equipment [text block] Redemption price of warrants after maximum stock price trigger (in dollars per share) Class Of Warrant Or Right, Redemption Price Of Warrants After Maximum Stock Price Trigger Class Of Warrant Or Right, Redemption Price Of Warrants After Maximum Stock Price Trigger Exercise price of outstanding stock options (in shares) Exercise price of outstanding share options Disclosure of quantitative information about right-of-use assets [line items] Disclosure of quantitative information about right-of-use assets [line items] Fair market value of warrants (in dollars per share) Class Of Warrant Or Right, Fair Market Value Of Warrants Class Of Warrant Or Right, Fair Market Value Of Warrants Business combinations [axis] Business combinations [axis] Accounts Payable And Accrued Liabilities Trade Accounts Payable And Accrued Liabilities [Member] Trade Accounts Payable And Accrued Liabilities Exercised (in dollars per share) Weighted Average Share Price, Exercised Weighted Average Share Price, Exercised Risk free interest rate Interest rate, measurement input [member] Disclosure of geographical areas [table] Disclosure of geographical areas [table] Classes of liabilities [axis] Classes of liabilities [axis] Plant facilities Repairs and maintenance expense Share Capital, Reserves And Other Equity Interest [Abstract] Share Capital, Reserves And Other Equity Interest [Abstract] Share Capital, Reserves And Other Equity Interest [Abstract] Other prepaids Current Other Prepaid Expenses Current Other Prepaid Expenses Li-Cycle APAC PTE. LTD. Li-Cycle APAC PTE LTD. [Member] Li-Cycle APAC PTE LTD. Plant and equipment Property, plant and equipment at beginning of period Property, plant and equipment at end of period Property, plant and equipment Geographical areas Geographical areas [member] Entity [Domain] Entity [Domain] Reversal, allowance account for credit losses of financial assets Reversal, allowance account for credit losses of financial assets Share issuance (in shares) Increase (decrease) in number of ordinary shares issued Accounts receivable Current trade receivables Number of shares issued (in shares) Number of shares issued Equity Equity [member] Amendment flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Entity's total for subsidiaries Entity's total for subsidiaries [member] Salaries Key management personnel compensation, short-term employee benefits Adjustment to paid in kind interest rate Borrowings, Paid In Kind Interest Rate, Adjustment to Interest Rate Basis Borrowings, Paid In Kind Interest Rate, Adjustment to Interest Rate Basis Financial instruments and financial risk factors Disclosure of financial instruments [text block] Trade and other current receivables [abstract] Trade and other current receivables [abstract] Warrants outstanding, threshold trading days Warrants And Rights Outstanding, Threshold Trading Days Warrants And Rights Outstanding, Threshold Trading Days Functional or presentation currency Functional or presentation currency [member] Warrants, term Warrants Outstanding, Term Warrants Outstanding, Term Forfeited (in shares) Number of share options forfeited in share-based payment arrangement Increase (decrease) through transfers from construction in progress, property, plant and equipment Increase (decrease) through transfers from construction in progress, property, plant and equipment Schedule of non-controlling interest Schedule Of Non-Controlling Interest [Table Text Block] Schedule Of Non-Controlling Interest Vehicles Vehicles [member] Expected dividend yield Dividend Yield, Measurement Input [Member] Dividend Yield, Measurement Input Accrued interest expense and accretion Current interest payable Conversion feature issued Issue of convertible instruments Exercised (in dollars per share) Weighted average exercise price of share options exercised in share-based payment arrangement Schedule of product sales revenue Schedule Of Product Sales Revenue [Table Text Block] Schedule Of Product Sales Revenue Statement of cash flows [abstract] Comprehensive loss Comprehensive income Disclosure of maturity analysis of operating lease payments [line items] Disclosure of maturity analysis of operating lease payments [line items] Cash and cash equivalents Cash and cash equivalents, beginning of the period Cash and cash equivalents, end of the period Cash and cash equivalents Beginning balance (in shares) Ending balance (in shares) Number of other equity instruments outstanding in share-based payment arrangement Present value input, risk-free interest rate Present Value Input, Risk-Free Interest Rate Present Value Input, Risk-Free Interest Rate Document Annual Report Document Annual Report Carrying amount Carrying amount [member] Proceeds from convertible debt Proceeds From Issuance Of Convertible Debt Proceeds From Issuance Of Convertible Debt Accounts receivable Adjustments for decrease (increase) in trade accounts receivable Non-current liabilities Non-current liabilities Exercise of stock options (in shares) Exercised (in shares) Number of share options exercised in share-based payment arrangement Cover [Abstract] Equipment Equipment [Member] Borrowings, variable rate, fixed Borrowings, Variable Rate, Fixed Borrowings, Variable Rate, Fixed Inventory Write-Up, Raw Materials Inventory Write-Up, Raw Materials Inventory Write-Up, Raw Materials Total assets Assets United States UNITED STATES Borrowings Borrowings Reservation fee received Proceeds from contract liability Proceeds from contract liability Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement Recurring fair value measurement Recurring fair value measurement [member] Forfeited (in shares) Number of other equity instruments forfeited in share-based payment arrangement Classes of assets [axis] Classes of assets [axis] Foreign currencies Description of accounting policy for foreign currency translation [text block] Financing activities Cash flows from (used in) financing activities [abstract] Depreciation Depreciation, property, plant and equipment List Of Accounting Policies [Abstract] List Of Accounting Policies [Abstract] List Of Accounting Policies [Abstract] Lease term Operating Lease, Lessee, Term Of Contract Operating Lease, Lessee, Term Of Contract Issued capital Issued capital [member] Year 3 3 - 5 years Later than two years and not later than three years [member] Net loss before taxes Profit (loss) before tax Current reporting status Entity Current Reporting Status Disclosure of quantitative information about right-of-use assets [table] Disclosure of quantitative information about right-of-use assets [table] Accumulated deficit Retained earnings Basis of consolidation Disclosure of basis of consolidation [text block] Business combination, share exchange ratio Reverse Recapitalization Exchange Ratio Reverse Recapitalization Exchange Ratio Share Price Share Price, Measurement Input [Member] Share Price, Measurement Input Revenue before Fair Value Pricing Adjustment Revenue before Fair Value Pricing Adjustment Revenue before Fair Value Pricing Adjustment Weighted average number of ordinary shares, basic (in shares) Weighted average number of ordinary shares used in calculating basic earnings per share Net cash used in investing activities Cash flows from (used in) investing activities Schedule of Lease Liabilities Schedule of Lease Liabilities [Text Block] Schedule of Lease Liabilities Expected life of options Expected Life, Measurement Input [Member] Expected Life, Measurement Input Net loss and comprehensive loss Net Loss and Comprehensive Loss Net Loss and Comprehensive Loss Prepayment and deposits Prepayment And Deposits Prepayment And Deposits Entity's total for business combinations Entity's total for business combinations [member] All levels of fair value hierarchy All levels of fair value hierarchy [member] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Financial assets Financial assets RSUs expense Restricted Share Unit Expense Restricted Share Unit Expense Non-Controlling Interest [Abstract] Non-Controlling Interest [Abstract] Non-Controlling Interest [Abstract] Vesting period Vesting Requirements For Share-Based Payment Arrangement, Vesting Period Vesting Requirements For Share-Based Payment Arrangement, Vesting Period Miscellaneous non-current assets [abstract] Granted (in dollars per share) Weighted Average Share Price, Granted Weighted Average Share Price, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price