v3.25.4

FINANCIAL RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Market Price Risk (Details)	Dec. 31, 2025
Financial Instruments [Abstract]
Benefit percentage received in purchase agreement	38.00%

X

- Definition

Benefit Percentage Received in Purchase Agreement

+ References

No definition available.

+ Details

Name:	rci_BenefitPercentageReceivedInPurchaseAgreement
Namespace Prefix:	rci_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Financial Instruments [Abstract]

+ References

No definition available.

+ Details

Name:	rci_FinancialInstrumentsAbstract
Namespace Prefix:	rci_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration