Represents the amount of cash contributed during the period by employees to the ESPP.

No definition available.

Name:	hd_EmployeeStockPurchasePlanESPPCashContributionstoESPP
Namespace Prefix:	hd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Employee Stock Purchase Plan (ESPP), Weighted Average Purchase Price of Shares Purchased

+ References

No definition available.

+ Details

Name:	hd_EmployeeStockPurchasePlanESPPWeightedAveragePurchasePriceofSharesPurchased
Namespace Prefix:	hd_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Employee Stock Purchase Plans ("ESPPs").

+ References

No definition available.

+ Details

Name:	hd_NumberOfEmployeeStockPurchasePlans
Namespace Prefix:	hd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage the purchase price of shares under the ESPPs is equal to the stock's fair market value.

+ References

No definition available.

+ Details

Name:	hd_PercentagePurchasePriceOfSharesUnderEsppsIsEqualToStocksFairMarketValue
Namespace Prefix:	hd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchase period of Employee Stock Purchase Plans.

+ References

No definition available.

+ Details

Name:	hd_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod
Namespace Prefix:	hd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ 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=109223946&loc=d3e3602-108585

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ 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
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: 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(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=hd_NonUSEsppPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=hd_USEsppPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stock-based Compensation (Employee Stock Purchase Plan) (Narrative) (Details) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Feb. 03, 2019 USD ($) $ / shares shares	Jan. 28, 2018 USD ($)	Jan. 29, 2017 USD ($)
ESPP Disclosures [Line Items]
Number of employee stock purchase plans	2
Purchase Price of Shares under ESPP in relation to FMV of Stock	85.00%
Purchase Period	6 months
Shares Purchased	1
Employee Stock Purchase Plan (ESPP), Weighted Average Purchase Price of Shares Purchased \| $ / shares	$ 155.79
Employee Stock Purchase Plan (ESPP), Cash Contributions to ESPP \| $	$ 22
Share-based compensation expense \| $	$ 282	$ 273	$ 267
Non U.S. ESPP Plan [Member]
ESPP Disclosures [Line Items]
Shares available for future grants	19
U.S. ESPP Plan [Member]
ESPP Disclosures [Line Items]
Shares available for future grants	19