XML 30 R92.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

CAPITAL STOCK - Additional Information, Long-Term Performance Awards (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award performance period | 3 years |  |
Earnings per share and return on capital employed as percentage of share based payment | 75.00% |  |
Market Based Elements As Percentage Of Share Based Payment | 25.00% |  |
Share-based Payment Arrangement, Noncash Expense | $ 88.8 | $ 76.5 | $ 78.7
Long-Term Performance Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Payment Arrangement, Noncash Expense | $ 9.0 | $ 4.7 | $ 18.0

X
- Definition Earnings per Share and Return on Capital Employed as Percentage of Share Based Payment + References No definition available. + Details
Name: | swk_EarningsPerShareAndReturnOnCapitalEmployedAsPercentageOfShareBasedPayment
Namespace Prefix: | swk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Market Based Elements as Percentage of Share Based Payment + References No definition available. + Details
Name: | swk_MarketBasedElementsAsPercentageOfShareBasedPayment
Namespace Prefix: | swk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_AwardTypeAxis=swk_PerformanceBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |