Supplemental Cash Flow Information (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 29, 2012
Supplemental Cash Flow Information
Cash paid for interest by the Finance group to the Manufacturing group	$ 11

The amount of cash paid during the current period by finance group for interest owed on money borrowed from manufacturing group.

No definition available.

Name:	txt_CashPaidForInterestByFinanceGroupToManufacturingGroup
Namespace Prefix:	txt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration