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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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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.

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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.

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

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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.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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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.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Detail) - USD ($)					1 Months Ended	3 Months Ended		9 Months Ended
Stock-Based Compensation - Narrative (Detail) - USD ($)	Oct. 31, 2022	Jan. 31, 2022	Oct. 18, 2020	Nov. 01, 2012	Oct. 31, 2020	Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021	Jan. 29, 2022
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense						$ 10,000,000	$ 12,000,000	$ 33,725,000	$ 37,426,000
Stock-based compensation cost capitalized						0	0	0	0
Selling, general and administrative expenses						250,528,000	232,715,000	832,627,000	690,492,000
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Unrecognized compensation expense related to unvested options						91,000,000		$ 91,000,000
Unrecognized compensation expense with weighted-average period								4 years 4 months 20 days
Aggregate intrinsic value of options outstanding						588,000,000		$ 588,000,000
Aggregate intrinsic value of options vested or expected to vest						574,000,000		574,000,000
Aggregate intrinsic value of options exercisable						517,000,000		$ 517,000,000
Weighted-average remaining contractual life of options exercisable								4 years 10 days
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Stock Options \| Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Unrecognized compensation expense related to unvested options						19,000,000		$ 19,000,000
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Restricted Stock And Restricted Stock Unit
Share Based Compensation Arrangement By Share Based Payment Award
Unrecognized compensation expense related to unvested options						$ 7,700,000		$ 7,700,000
Unrecognized compensation expense with weighted-average period								4 years 5 months 26 days
Restricted stock awards outstanding						24,390		24,390
Restricted stock awards outstanding with weighted-average grant date fair value per share						$ 437.37		$ 437.37
Weighted-average fair value per share of awards granted						$ 49.53		$ 117.94
Vested restricted stock unit						1,780		4,700
Stock Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award
Options granted				6,829,041		0		0
Shares available for future issuance		1,615,461								1,185,322
Additional shares issuable under the Stock Incentive Plan evergreen provision		430,139
Stock Incentive Plan \| Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense					$ 174,000,000	$ 4,100,000	$ 5,800,000	$ 14,000,000	$ 18,000,000
Options granted			700,000
Exercise price of option granted			$ 385.30
Subsequent Event \| 2012 Stock Incentive Plan and 2012 Stock Option Plan
Share Based Compensation Arrangement By Share Based Payment Award
Options cancelled upon expiration of plans	1,607,508