Pension Benefits - Fair Value of Plan Assets (Parenthetical) (Detail)	Dec. 31, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Growth oriented assets	70.00%
Defensive assets	30.00%

Defined benefit plan, mutual funds asset allocations percentage growth oriented assets.

No definition available.

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Namespace Prefix:	tk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant