Accounts Receivable and Finance Receivables (Details 4) (USD $) In Millions, unless otherwise specified	Mar. 29, 2014	Dec. 28, 2013
Finance receivables held for investment by delinquency aging
Financing receivable, recorded investment, less than 31 days past due	$ 1,204	$ 1,295
Financing receivable, recorded investment, 31 to 60 days past due	98	108
Financing receivable, recorded investment, 61 days to 90 days past due	87	37
Financing receivable, recorded investment, over 90 days past due	38	43
Total finance receivables held for investment	1,427	1,483
Financing receivable accrual status loans, recorded investment, greater than 90 days past due	$ 0	$ 5
Contractual delinquency of 60 plus days as percentage of finance receivables	8.76%	5.39%

Contractual delinquency of sixty plus days as percentage of finance receivables held For investment.

No definition available.

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The carrying amount of financing receivables held for investment.

No definition available.

Name:	txt_FinanceReceivablesHeldForInvestment
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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Represents the financing receivables accrual status loans, held for investment that are more than 90 days past due.

No definition available.

Name:	txt_FinancingReceivableAccrualStatusLoansRecordedInvestmentGreaterThanNinetyDaysPastDue
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Data Type:	xbrli:monetaryItemType
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Financing receivables held for investment that are more than 90 days past due.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Financing receivables held for investment that are 90 days or less past due but more than 60 days past due.

No definition available.

Name:	txt_FinancingReceivableHeldForInvestmentRecordedInvestmentSixtyOneToNinetyDaysPastDue
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Financing receivables held for investment that are 60 days or less past due but more than 30 days past due.

No definition available.

Name:	txt_FinancingReceivableHeldForInvestmentRecordedInvestmentThirtyOneToSixtyDaysPastDue
Namespace Prefix:	txt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Financing receivables held for investment that are 30 days or less past due.

No definition available.

Name:	txt_FinancingReceivableHeldForInvestmentRecordedInvestmentZeroToThirtyDaysPastDue
Namespace Prefix:	txt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant