XML 46 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Basis of Presentation - Number of borrowing groups (Details) | 9 Months Ended
--- | ---
Sep. 30, 2017 item
Basis of Presentation |
Number of borrowing groups | 2

X
- Definition Number of borrowing groups. + References No definition available. + Details
Name: | txt_NumberOfBorrowingGroups
Namespace Prefix: | txt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration