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BUSINESS SEGMENTS AND GEOGRAPHIC AREAS - Percentage of Deferred Revenue (Details) | 3 Months Ended
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Apr. 02, 2022 | Apr. 03, 2021
Industrial | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Deferred revenue as a percent of total segment revenue | 5.90% | 5.70%

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- Definition Deferred Revenue, Revenue Recognized As A Percentage + References No definition available. + Details
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Namespace Prefix: | swk_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=swk_IndustrialSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |