Trade and Other Receivables and Long-Term Receivables - Summary of Long-Term Receivables (Detail) - CAD ($)	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Text Block [Abstract]
Current portion of long-term receivables	$ 201,331	$ 397,060	$ 445,213
Non-current portion of long-term receivables	6,171	343,371	2,091,059
Total long-term receivables	$ 207,502	$ 740,431	$ 2,536,272

The amount of current receivables from contracts with customers. [Refer: Receivables from contracts with customers]

Name:	ifrs-full_CurrentReceivablesFromContractsWithCustomers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of non-current receivables from contracts with customers. [Refer: Receivables from contracts with customers]

+ References

+ Details

Name:	ifrs-full_NoncurrentReceivablesFromContractsWithCustomers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer that is unconditional. A right to consideration is unconditional if only the passage of time is required before payment of that consideration is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2021-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_105&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2021-01-01
-Paragraph 116
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_ReceivablesFromContractsWithCustomers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Text block.

+ References

No definition available.

+ Details

Name:	mcld_TextBlockAbstract
Namespace Prefix:	mcld_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration