Accounts Receivable and Finance Receivables (Details 10) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Finance group
Financing Receivable, Impaired
Proceeds from Finance group for TXT Product Financed	$ 248	$ 309	$ 284
Manufacturing group
Financing Receivable, Impaired
Finance receivables with recourse to intercompany	$ 75	$ 83

Proceeds from intercompany for parent company product financed.

No definition available.

Name:	txt_ProceedsFromIntercompanyForParentCompanyProductFinanced
Namespace Prefix:	txt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration