XML 92 R70.htm IDEA: XBRL DOCUMENT
v3.20.4

LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Additional Information (Detail) - USD ($) $ in Millions |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 15, 2018 | Dec. 31, 2020 | Nov. 30, 2020 | Feb. 29, 2020 | Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018 | Jan. 01, 2022 | Jun. 27, 2020 | Sep. 28, 2019 | Mar. 31, 2018 | Dec. 28, 2013 | Jul. 31, 2012
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of long-term debt maturing after year five |  |  |  |  | $ 4,300.0 |  |  |  |  |  |  |  |
Fair value adjustment and unamortized gain termination of swap |  |  |  |  | (26.6) |  |  |  |  |  |  |  |
Interest paid |  |  |  |  | 192.1 | $ 252.9 | $ 249.6 |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | 4,300.0 |  |  |  |  |  |  |  |
Repayments of long-term Debt |  |  |  |  | 1,154.3 | 1,150.0 | 977.5 |  |  |  |  |  |
Proceeds from issuance of long-term debt |  |  |  |  | 990.0 |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | 5.8 |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 9.1 |  |  |  |  |  |  |  |
Loss on debt extinguishments |  |  |  |  | 46.9 | 17.9 | 0.0 |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 4,245.4 | 3,179.5 |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | 3,500.0 |  |  |  |  |  |  |  |
Short-term credit lines |  |  |  |  | 1.5 | 337.3 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper maximum borrowing capacity |  |  |  |  | 3,000.0 |  |  |  |  | $ 3,000.0 | $ 3,000.0 |  |
Debt issuance costs |  |  | $ 10.1 |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 35.9 |  |  |  |  |  |  |  |
Unamortized debt issuance expense |  |  |  |  | 0.9 |  |  |  |  |  |  |  |
Current maturities of long-term debt |  |  |  |  | 0.0 | 3.1 | 977.5 |  |  |  |  |  |
Interest coverage ratio |  |  |  |  |  |  |  |  | 350.00% |  |  |  |
Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest coverage ratio |  |  |  |  |  |  |  | 250.00% |  |  |  |  |
Cash Flow Hedging |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) reclassified from OCI to income (Effective Portion) |  |  |  |  | (15.4) | (13.1) | $ (15.4) |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate | 4.304% |  |  |  |  |  |  |  |  |  |  |  |
Notes Payable Maturities 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | 500.0 |  |  |  |  |  |  |  |
Notes Payable Maturities 2048 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | $ 500.0 |  |  |  |  |  |  |  |
Note 4 point |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 4.25% |  |  |  |  |  |  |  |
Notes payable due 2048 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 4.85% |  |  |  |  |  |  |  |
Notes 5 Point 75 Percent due 2053 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  |  |  |  |  |  |  |  | 5.75% |
Repayments of long-term Debt |  |  |  |  | $ 405.7 |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  |  |  |  |  |  |  |  | $ 400.0 |
Notes 7 Point 08 Percent due 2053 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on debt extinguishments |  |  |  |  | (3.2) |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Write off of deferred debt issuance cost |  |  |  |  | 7.8 |  |  |  |  |  |  |  |
Notes 7 Point 08 Percent due 2053 | Cash Flow Hedging |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) reclassified from OCI to income (Effective Portion) |  |  |  |  | 4.6 |  |  |  |  |  |  |  |
Notes payable due 2052 (junior subordinated) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  | 5.75%
Repayments of long-term Debt |  |  |  |  | 760.5 |  |  |  |  |  |  |  |
Loss on debt extinguishments |  |  |  |  | 17.9 |  |  |  |  |  |  |  |
Junior subordinated notes |  |  |  |  |  |  |  |  |  |  |  |  | $ 750.0
Notes payable due 2050 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  | 2.75% |  |  |  |  |  |  |  |  |  |
Notes payable due 2060 (junior subordinated) |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption price, percentage |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Notes 3 Point 4 Percent due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  | 2.30% |  |  |  |  |  |  |  |  |
Notes payable due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on debt extinguishments |  | $ 19.6 |  |  |  |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Junior Subordinated Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of long-term debt |  |  |  |  | 1,483.0 |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes 3 Point 4 Percent due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | $ 500.0 |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 3.40% |  |  |  |  |  |  |  |
Proceeds from issuance of long-term debt |  |  |  |  | $ 496.2 |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes payable due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  | 3.40% |  |  |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes payable due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value adjustment and unamortized gain termination of swap |  |  |  |  | (7.9) |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes payable due 2050 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  | $ 750.0 |  | $ 750.0 |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 2.75% |  |  |  |  |  |  |  |
Proceeds from issuance of long-term debt |  |  | 739.9 |  |  |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | $ 2.0 |  |  |  |  |  |  |  |
Loss on debt extinguishments |  |  | (46.9) |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 739.9 | 0.0 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Early repayment of senior debt |  |  | 1,200.0 |  |  |  |  |  |  |  |  |  |
Debt instrument, unamortized discount (premium) and debt issuance costs, net |  |  | 48.7 |  |  |  |  |  |  |  |  |  |
Write off of deferred debt issuance cost |  |  | 1.7 |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 8.1 |  |  |  |  |  |  |  |
Gain (loss) on fair value hedges recognized in earnings |  |  | $ (3.5) |  |  |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes payable due 2060 (junior subordinated) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  | $ 750.0 | $ 750.0 |  |  |  |  |  |  |  |
Interest Rate |  |  |  | 4.00% | 4.00% |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | $ 0.0 |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 740.7 | 0.0 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 9.3 |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes payable due 2030 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  | $ 750.0 | $ 750.0 |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 2.30% |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | $ 2.3 |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 742.9 | 0.0 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 4.8 |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes 2 Point 657 Percent Due in 2025 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate |  |  |  | 2.657% |  |  |  |  |  |  |  |  |
Fixed To Floating Interest Rate Swap | Notes payable due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | $ 0.0 |  |  |  |  |  |  |  |
Interest Rate |  |  | 2.90% |  | 2.90% |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | $ 0.0 |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 0.0 | 752.3 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 0.0 |  |  |  |  |  |  |  |
Gain (loss) on fair value hedges recognized in earnings |  |  | $ 19.6 |  |  |  |  |  |  |  |  |  |
Fixed to Floating Interest Rate Swaps Terminated | Notes payable due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | $ 150.0 |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 7.05% |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | $ 0.0 |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 166.1 | 168.3 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 0.0 |  |  |  |  |  |  |  |
Fixed to Floating Interest Rate Swaps Terminated | Notes payable due 2040 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, face amount |  |  |  |  | $ 400.0 |  |  |  |  |  |  |  |
Interest Rate |  |  |  |  | 5.20% |  |  |  |  |  |  |  |
Unamortized debt discount |  |  |  |  | $ 0.2 |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  | 368.1 | 366.5 |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 2.7 |  |  |  |  |  |  |  |
Euro Denominated Commercial paper |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper amount outstanding |  |  |  |  | 0.0 | $ 335.5 |  |  |  |  |  |  |
2018 Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  |  |  | 1,000.0 |  |  |
Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | 469.1 |  |  |  |  |  |  |  |
Line of credit facility, available borrowing capacity |  |  |  |  | 373.4 |  |  |  |  |  |  |  |
Short-term credit lines |  |  |  |  | 1.5 |  |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term credit lines |  |  |  |  | $ 95.6 |  |  |  |  |  |  |  |
5 Year Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  |  |  | 2,000.0 |  |  |
Committed Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Unit Shares Issuable Upon Conversion [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of credit facility foreign currency sublimit |  |  |  |  |  |  |  |  |  | $ 653.3 |  |  |
United States of America, Dollars | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rates on short-term borrowings |  |  |  |  | 1.30% | 2.30% |  |  |  |  |  |  |
Euro Member Countries, Euro | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper and Credit Facilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rates on short-term borrowings |  |  |  |  | 0.20% | 0.30% |  |  |  |  |  |  |

X
- Definition Amount of Credit Facility Foreign Currency Sublimit + References No definition available. + Details
Name: | swk_AmountofCreditFacilityForeignCurrencySublimit
Namespace Prefix: | swk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial Paper, Amount Outstanding + References No definition available. + Details
Name: | swk_CommercialPaperAmountOutstanding
Namespace Prefix: | swk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial Paper and Credit Facilities [Abstract] + References No definition available. + Details
Name: | swk_CommercialPaperAndCreditFacilitiesAbstract
Namespace Prefix: | swk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commercial Paper, Maximum Borrowing Capacity + References No definition available. + Details
Name: | swk_CommercialPaperMaximumBorrowingCapacity
Namespace Prefix: | swk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Convenant, Interest Coverage Ratio + References No definition available. + Details
Name: | swk_DebtInstrumentConvenantInterestCoverageRatio
Namespace Prefix: | swk_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Unit Shares Issuable Upon Conversion[Abstract] + References No definition available. + Details
Name: | swk_EquityUnitSharesIssuableUponConversionAbstract
Namespace Prefix: | swk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair Value Adjustment of Interest Rate Swap + References No definition available. + Details
Name: | swk_FairValueAdjustmentOfInterestRateSwap
Namespace Prefix: | swk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt discount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_EarlyRepaymentOfSeniorDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
Name: | us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586 + Details
Name: | us-gaap_InterestPaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_JuniorSubordinatedNotes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_ShortTermBorrowings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_NotesPayableMaturities2028MemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_NotesPayableMaturities2048MemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_Notes4Point25PercentDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_Notes4Point85PercentDue2048MemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_Notes5Point75Percentdue2053Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_Notes7Point08Percentdue2053MemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_Notes5Point75PercentDue2052Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes2Point75PercentDueIn2050Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes4Point0PercentDuein2060Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes3Point4Percentdue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_NotesPayableDue2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=swk_FixedToFloatingInterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_JuniorSubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=swk_Notes3Point4Percentdue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_NotesPayableMaturities2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes7Point05PercentDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes2Point3PercentDuein2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes2Point657PercentDuein2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=swk_FixedtoFloatingInterestRateSwapsTerminatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=swk_Notes5Point20PercentDue2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=swk_EuroDenominatedCommercialpaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=swk_A2018CreditAgreementMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=swk_A5YearCreditFacilityMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=swk_CommittedCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |