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Revenues - Remaining Performance Obligations & Revenue Expected to be recognized (Details) | Sep. 29, 2018
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-09-29 |
Remaining Performance Obligation, Expected Timing of Satisfaction |
Percentage of remaining performance obligation expected to be recognized in period | 62.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-03 |
Remaining Performance Obligation, Expected Timing of Satisfaction |
Percentage of remaining performance obligation expected to be recognized in period | 22.00%

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- Definition The percentage of the remaining performance obligation that is expected to be recognized in the period. + References No definition available. + Details
Name: | txt_RevenueRemainingPerformanceObligationExpectedTimingPercentage
Namespace Prefix: | txt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2018-09-29
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2021-01-03
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |