XML 41 R26.htm IDEA: XBRL DOCUMENT
v3.26.1

REVENUE - Narrative (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Revenue from Contract with Customer [Abstract] |  |
Accrued sales incentives | $ 116 | $ 115

X
- Definition Contract With Customer, Sales Incentive Liability + References No definition available. + Details
Name: | gww_ContractWithCustomerSalesIncentiveLiability
Namespace Prefix: | gww_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration