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REPORTABLE SEGMENTS - Narrative (Details) - segment	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Number of reportable segments	2
Long-Lived Assets | Home Depot | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	84.00%	85.00%
Segment Revenue Benchmark | Home Depot | Consumer and Professional Products | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	12.00%	15.00%	15.00%
Segment Revenue Benchmark | Home Depot | Home and Building Products | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage		8.00%	9.00%
Consolidated Revenue from Continuing Operations Benchmark | Home Depot | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	10.00%	11.00%	12.00%
Consolidated Revenue from Continuing Operations Benchmark | Home Depot | Home and Building Products | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk, percentage	9.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

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