Equity Compensation - Service-Based and Performance-Based Restricted Share Award Activity (Details) - $ / shares	12 Months Ended
Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Restricted shares and restricted share units, excluding TSR-based restricted share units
Number of Shares
Awards outstanding at beginning of year (in shares)	238,889	308,369	251,924
Awards vested, including awards repurchased from employees for employees' tax liability (in shares)	(83,324)	(81,283)	(114,003)
Awards forfeited (in shares)	(10,585)	(31,052)	(3,415)
Awards outstanding at end of year (in shares)	212,945	238,889	308,369
Weighted-average grant date fair value
Awards outstanding at beginning of year (in dollars per share)	$ 61	$ 61	$ 68
Awards vested, including awards repurchased from employees for employees' tax liability (in dollars per share)	77	77	56
Awards forfeited (in dollars per share)	62	62	62
Outstanding at end of year (in dollars per share)	$ 64	$ 61	$ 61
Service-based restricted shares and restricted share unit awards
Number of Shares
Awards outstanding at beginning of year (in shares)
Awards granted/issued (in shares)	67,965	42,855	131,425
Awards outstanding at end of year (in shares)	212,945
Weighted-average grant date fair value
Awards outstanding at beginning of year (in dollars per share)
Awards granted/issued (in dollars per share)	$ 89	$ 89	$ 40
Outstanding at end of year (in dollars per share)	$ 64
Performance-based awards issued related to prior year EPS-based performance awards
Number of Shares
Awards granted/issued (in shares)			42,438
Weighted-average grant date fair value
Awards granted/issued (in dollars per share)			$ 76

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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