Employee Stock Purchase Plan, Maximum Percentage of Compensation to Purchase Shares by Eligible Participants

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Employee Stock Purchase Plan, Minimum Percentage of Common Stock Fair Value Defined to Purchase Shares by Eligible Participants

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Employee Stock Purchase Plan, Number of Exercise Periods

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Employee Stock Purchase Plan, Term of Exercise Period

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Employee Stock Purchase Plan, Term of Offering Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value of Shares Issued

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Value of Shares Authorized

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility, Market Capitalization

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- Definition

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

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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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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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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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Amount of cash paid to settle liability for award under share-based payment arrangement.

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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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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 shares authorized for issuance under share-based payment arrangement.

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Number of shares issued under share-based payment arrangement.

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

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Equity Compensation - Additional Information (Details)			3 Months Ended			6 Months Ended	9 Months Ended		12 Months Ended
Equity Compensation - Additional Information (Details)	Oct. 29, 2021 trading_day shares	May 11, 2021 USD ($)	Oct. 31, 2021 USD ($) shares	Oct. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)	Jul. 31, 2021 USD ($)	Oct. 31, 2021 USD ($) period shares	Oct. 31, 2020 USD ($)	Jan. 31, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense			$ 143,700,000	$ 97,400,000			$ 412,700,000	$ 291,500,000
Settlement of liability-classified restricted stock units			$ 2,700,000		$ 28,700,000		2,700,000	28,700,000
Market capitalization							$ 2,000,000,000
Award vesting period							1 year
Fair value of common stock issued related to business combination							$ 2,600,000	$ 0
Consecutive trading days \| trading_day	90
Expected dividend yield (in percentage)							0.00%
1998 Employee Qualified Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of compensation that eligible employees can use to purchase common stock, maximum							15.00%
Percentage of fair market value eligible employees can purchase common stock, minimum							85.00%
Number of exercise period \| period							4
Term of exercise period							6 months
Term of offering period							24 months
Expected dividend yield (in percentage)			0.00%	0.00%			0.00%	0.00%
Upchain
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense						$ 3,100,000
Fair value of common stock issued related to business combination		$ 13,100,000
Business acquisition, equity interest issued or issuable, number of shares (in shares) \| shares	43,000
Share-based Compensation Award, Tranche One \| Upchain
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU annual vesting percentage (in percentage)		40.00%
Share-based Compensation Award, Tranche Two \| Upchain
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU annual vesting percentage (in percentage)		60.00%
Common stock and additional paid-in capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Settlement of liability-classified restricted stock units					$ 28,700,000		$ 2,700,000	$ 28,700,000
Restricted Stock Units (RSUs) and Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vested in period, fair value							$ 516,500,000	400,600,000
Awards granted in period (in shares) \| shares							1,895,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted in period (in shares) \| shares							1,600,000
Allocated share-based compensation expense			$ 109,900,000	$ 74,700,000			$ 314,400,000	222,900,000
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted in period (in shares) \| shares							200,000
Allocated share-based compensation expense			18,100,000	8,700,000			$ 50,100,000	$ 26,200,000
Award vesting period							3 years
Expected dividend yield (in percentage)							0.00%	0.00%
Performance Stock Units \| Certain Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted in period (in shares) \| shares							100,000
Performance Stock Units \| Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU annual vesting percentage (in percentage)							33.33%
Performance Stock Units \| Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU annual vesting percentage (in percentage)							33.33%
Performance Stock Units \| Share-based Compensation Award, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU annual vesting percentage (in percentage)							33.33%
Common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense			$ 4,700,000	$ 0			$ 11,600,000	$ 0
Value of shares authorized									$ 4,900,000
Shares issued in period (in shares) \| shares			8,300
Value of shares issued			$ 2,700,000
Shares of common stock reserved for issuance (in shares) \| shares	8,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period							2 years		3 years
Shares issued in period (in shares) \| shares							9,277		73,632