XML 55 R43.htm IDEA: XBRL DOCUMENT
v3.21.1

SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation (Details) - MTD | Jan. 31, 2019
--- | ---
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Ownership percentage | 20.00%
Option to purchase additional ownership in equity method investment, as a percent | 80.00%

X
- Definition Equity Method Investment, Option To Purchase + References No definition available. + Details
Name: | swk_EquityMethodInvestmentOptionToPurchase
Namespace Prefix: | swk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] + References No definition available. + Details
Name: | swk_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems
Namespace Prefix: | swk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=swk_MTDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |