Spinoff Text (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2014
Text [Abstract]
Cash Transferred to TimkenSteel	$ 3.0
Transaction Cost	$ 10.1	$ 54.7

Cash transferred to TimkenSteel in connection with the spinoff.

No definition available.

Name:	tkr_CashTransferredtoTimkenSteel
Namespace Prefix:	tkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration