Modification charge related to the ESPP reset.

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- Definition

Employee stock purchase plan offering period.

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Equity Incentive Plan, Period in Force

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Number of equity compensation plans.

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Number of Purchase Periods

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Purchase Period, Term

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Dollar Cap Per Purchase Period

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No definition available.

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Annual Increase to Shares Reserved for Issuance Under the Plan

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No definition available.

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- Definition

Share cap for ESPP at each purchase date.

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Converted In Period

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No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

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

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

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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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- 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.

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No definition available.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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- Definition

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

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

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No definition available.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Amount of cost expensed and capitalized for award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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Equity Incentive Plans - Additional Information (Details)	12 Months Ended
	Feb. 05, 2023 USD ($) period plan $ / shares shares	Feb. 06, 2022 USD ($)	Jan. 31, 2021 USD ($) shares	Jan. 31, 2016 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of equity incentive plans \| plan	2
Shares reserved for future equity awards (in shares) \| shares	62,000,412
Total stock-based compensation expense	$ 327,617,000	$ 286,963,000	$ 242,344,000
Closing price of stock (in dollars per share) \| $ / shares	$ 29.91
Stock options to purchase common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future equity awards (in shares) \| shares	20,661,582
Total stock-based compensation expense	$ 4,900,000	7,700,000	8,600,000
Unrecognized compensation cost related to stock awards, weighted-average period	1 year 1 month 6 days
Intrinsic value of exercised options	$ 63,500,000	105,100,000	118,800,000
Total grant date fair value of options vested	7,000,000	$ 16,500,000	$ 20,100,000
Unrecognized compensation cost	$ 2,400,000
Dividend rate			0.00%
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Dividend rate	0.00%	0.00%	0.00%
Performance Restricted Stock Units (PRSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted (in shares) \| shares	1,147,187
Award vesting rights, percentage	100.00%
Earned (in shares) \| shares	1,770,282
Unvested RSUs and PRSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	$ 299,700,000	$ 242,100,000	$ 199,100,000
Unrecognized compensation cost related to stock awards, weighted-average period	2 years 8 months 12 days
Granted (in shares) \| shares	15,319,768
Aggregate fair value of awards vested during the period	$ 402,700,000	322,200,000	183,400,000
Unrecognized employee compensation cost	588,400,000
Unvested restricted stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock-based compensation expense	0	1,800,000	9,300,000
Aggregate fair value of awards vested during the period	$ 1,900,000	10,400,000	$ 18,300,000
Minimum \| Performance Restricted Stock Units (PRSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting rights, percentage	0.00%
Maximum \| Performance Restricted Stock Units (PRSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting rights, percentage	150.00%
Common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Closing price of stock (in dollars per share) \| $ / shares	$ 29.91
2015 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity awards of vest expire period	10 years
2015 Equity Incentive Plan \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity awards vesting period	2 years
2015 Equity Incentive Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity awards vesting period	4 years
2015 Equity Incentive Plan \| Common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares initially reserved for issuance (in shares) \| shares	27,000,000
Equity incentive plan, period in force	10 years
Increase in shares reserved by percentage of capital stock	5.00%
2015 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future equity awards (in shares) \| shares			5,000,000
Employee stock purchase plan offering period	24 months
Number of purchase periods \| period	4
Purchase period, term	6 months
ESPP modification charge	$ 10,400,000	0	$ 23,800,000
Total stock-based compensation expense	22,900,000	35,400,000	$ 25,800,000
Unrecognized stock-based compensation expense	$ 31,500,000
Unrecognized compensation cost related to stock awards, weighted-average period	1 year 7 months 6 days
2015 Employee Stock Purchase Plan \| Common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in shares reserved by percentage of capital stock	1.00%
Shares reserved for future equity awards (in shares) \| shares				3,500,000
Maximum annual increase to shares reserved for issuance under the Plan \| shares	3,500,000
Payroll deductions percentage	30.00%
Share cap for ESPP at purchase date (in shares) \| shares	3,000
Dollar cap per purchase period	$ 7,500
Calendar year gap for ESPP contribution amount		$ 25,000
Purchase price as percentage of fair market value of common stock	85.00%