Label	Element	Value
Retained earnings [member]
Cumulative Effect Of New Accounting Principle In Period Of Adoption	teck_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (43,000,000)

Cumulative Effect Of New Accounting Principle In Period Of Adoption

No definition available.

Name:	teck_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix:	teck_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant