Debt - Additional Information (Details)															1 Months Ended		3 Months Ended	12 Months Ended
	Apr. 17, 2023 CAD ($)	Apr. 17, 2023 USD ($)	Feb. 21, 2023 CAD ($)	Feb. 21, 2023 USD ($)	Nov. 10, 2022 CAD ($)	Nov. 10, 2022 USD ($)	Oct. 24, 2022 USD ($) $ / shares	Jul. 18, 2022 shares	Jun. 29, 2022 CAD ($) shares	Jun. 22, 2022	Mar. 18, 2021 CAD ($)	Mar. 18, 2021 USD ($) $ / shares	Sep. 09, 2020 CAD ($)	Jun. 20, 2018 CAD ($)	Sep. 09, 2020 CAD ($)	Oct. 19, 2018 CAD ($) $ / shares	Jun. 30, 2022 CAD ($) shares	Mar. 31, 2023 CAD ($) shares	Mar. 31, 2022 CAD ($)	Mar. 31, 2021 CAD ($)	Apr. 17, 2023 USD ($)	Mar. 31, 2023 USD ($)	Nov. 10, 2022 USD ($)	Jul. 31, 2022 CAD ($) shares	Jun. 30, 2022 $ / shares	Jun. 29, 2022 $ / shares
Debt Instrument [Line Items]
Issuance of long-term debt											$ 893,160,000							$ 135,160,000		$ 893,160,000
Derivative Liability, Statement of Financial Position [Extensible Enumeration]																		Derivative Liability, Noncurrent				Derivative Liability, Noncurrent
Derivative liability																		$ 39,896,000
Accretion Rate															11.06%
Conversion Of Outstanding Debentures Description															In addition, the Company may force conversion of the Supreme Debentures outstanding with 30 days’ notice if the daily volume weighted average trading price of the Company’s common shares is greater than $38.59 for any 10 consecutive trading days. The Company, Supreme Cannabis and the Trustee entered into a further supplemental indenture whereby the Company agreed to guarantee the obligations of Supreme Cannabis pursuant to the Supreme Debentures and the Accretion Debentures.
Debt instrument discounted price							$ 930,000					$ 930,000
First repayment of debt																		118,179,000	$ 50,763,000	$ 15,619,000
Debt Instrument Fair Value																		76,424,000
Debt instrument final closing trading days								10 days
GCILP and Other Notes Holders [Member]
Debt Instrument [Line Items]
Principal amount																								$ 199,522,000
Supreme Cannabis
Debt Instrument [Line Items]
Interest at a rate																6.00%
Proceeds from the Credit Facility																$ 100,000,000
Maturity date																Sep. 10, 2025
Conversion price | $ / shares																$ 0.285
Cancellation of Debt													$ 63,500,000
Monthly Interest Rate													1.00%		1.00%
Percentage of shares acquired										100.00%
Minimum
Debt Instrument [Line Items]
Minimum liquidity, each fiscal quarter												100,000,000
Minimum | Supreme Cannabis
Debt Instrument [Line Items]
Proceeds from the Credit Facility															$ 13,500,000
Maximum | Supreme Cannabis
Debt Instrument [Line Items]
Interest at a rate																8.00%
Proceeds from the Credit Facility															$ 36,500,000
4.25% Senior Notes [Member]
Debt Instrument [Line Items]
Principal amount									$ 262,620,000					$ 600,000,000				$ 337,380,000	600,000,000
Interest at a rate														4.25%				4.25%				4.25%
Frequency of periodic payment team																		semi-annually on January 15th and July 15th of each year commencing from January 15, 2019
Maturity date														Jul. 15, 2023				Jul. 15, 2023
Other income (expense), net																		$ 44,370,000
Tax impact on aggregated principal amount																		14,862,000
Debt instrument, change in fair value of notes																		232,708,000	123,456,000
Debt instrument, change in fair value of notes from contractual interest																		16,956,000	25,794,000
Principal redemption																		262,620,000	$ 0
Principal redeemed fair value																		225,369,000
Accrued and unpaid interest									5,383,000
Aggregate purchase price									$ 259,994,000
Debt instrument cancelled																		262,620,000
4.25% Senior Notes [Member] | Common Shares
Debt Instrument [Line Items]
Principal amount																	$ 63,098,000							$ 99,522,000
Shares issued | shares									35,662,420								14,069,353							21,593,067
Purchase price of shares | $ / shares																										$ 3.50
Debt Instrument Fair Value																	$ 50,866,000
4.25% Senior Notes [Member] | Common Shares | Noteholders [Member]
Debt Instrument [Line Items]
Shares issued | shares																								11,896,536
Purchase price of shares | $ / shares																									$ 2.6245
4.25% Senior Notes [Member] | Common Shares | GCILP [Member]
Debt Instrument [Line Items]
Principal amount																	200,000,000
Shares issued | shares								29,245,456
Debt Instrument Fair Value																		98,078,000
Debt instrument cancelled																	100,000,000
Debt instrument acquired																	100,000,000
4.25% Senior Notes [Member] | Common Shares | GCILP and Other Notes Holders [Member]
Debt Instrument [Line Items]
Shares issued | shares																								62,735,059
4.25% Senior Notes [Member] | Exchange Transaction
Debt Instrument [Line Items]
Derivative liability																	$ 26,594,000
Paydown Agreement [Member]
Debt Instrument [Line Items]
Minimum liquidity, each fiscal quarter												100,000,000
Additional incremental term loan facility												500,000,000
Principal amount												$ 100,000,000
Acquisition and cancellation of notes, Share issued on June and July Twenty Twenty Two [Member]
Debt Instrument [Line Items]
Principal amount																		$ 262,620,000
Shares issued | shares																	76,804,412
Credit Facility
Debt Instrument [Line Items]
Senior secured debt, Term												5 years
Senior credit facility												$ 500,000
Loan amortization payment											$ 0
Convertible debentures												Mar. 18, 2026
Principal amount												$ 750,000
Debt Instrument Discounted Price Per Us Dollar | $ / shares							$ 1,000					$ 1,000
First repayment of debt							$ 174,375,000					$ 174,375,000
Credit Facility | Paydown Agreement [Member]
Debt Instrument [Line Items]
Principal amount							$ 187,500,000					$ 187,500
First repayment of debt					$ 117,528,000	$ 87,852,000
Aggregate principal payment amount					$ 126,324,000																		$ 94,427,000
Credit Facility | Paydown Agreement [Member] | Subsequent Event
Debt Instrument [Line Items]
First repayment of debt	$ 116,847,000	$ 87,213,000
Aggregate principal payment amount	$ 125,606,000																				$ 93,750,000
L I B O R Plus
Debt Instrument [Line Items]
Interest at a rate												8.50%
L I B O R Floor
Debt Instrument [Line Items]
Interest at a rate												1.00%
Convertible Debentures
Debt Instrument [Line Items]
Principal amount																						$ 27,200,000
Interest at a rate			5.00%	5.00%
Maturity date																		Feb. 28, 2028
Cash payment or any other property payable			$ 0
Debt Conversion, Description																		The Convertible Debentures bear interest at a rate of 5.0% per annum from the date of issuance, payable at the earlier of: (i) the time of conversion of the Convertible Debentures; or (ii) February 28, 2028 (the “Maturity Date”), in each case, in common shares of Canopy Growth. No cash payment or any other property of the Company will be payable by the Company to the Institutional Investor in connection with, or as a result of, the issuance, conversion or repayment of the Convertible Debentures. The Convertible Debentures are convertible into the Company’s common shares at the option of the Institutional Investor at any time or times prior to the Maturity Date, at a conversion price equal to 92.5% of the volume-weighted average price of the Company’s common shares during the three consecutive trading days ending on the business day immediately prior to the date of conversion. On the Maturity Date, the principal amount of the Convertible Debentures, including any accrued but unpaid interest, will also be paid in the Company’s common shares.For the year ended March 31, 2023, US$27,200 in aggregate principal amount of the Convertible Debentures were converted for 14,142,066 common shares. For additional information, refer to Note 20.
Conversion price percentage			92.50%	92.50%
Convertible debentures converted to common shares | shares																		14,142,066
Convertible Debentures | Convertible Debenture Agreement [Member] | Institutional Investor
Debt Instrument [Line Items]
Purchased initial amount of convertible debentures			$ 135,160,000	$ 100,000,000
Additional convertible debentures amount purchased in the event of certain conditions are satified or waived				50,000,000
Convertible Debentures | Convertible Debenture Agreement [Member] | Maximum | Institutional Investor
Debt Instrument [Line Items]
Purchase and sale of aggregate principal amount of senior unsecured convertible debentures				$ 150,000,000