Share-based Compensation Arrangement by Share-based Payment Award, Earn Rate, Percent of Shares Granted

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- Definition

Share-Based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Granted In Period, Aggregate Fair Value

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Number Of Offering Periods

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Share Based Compensation Arrangement By Share Based Payment Award, Offering Period

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Purchase Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number Of Equity Incentive Plans

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

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

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Amount of tax benefit from exercise of option under share-based payment arrangement.

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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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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

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

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Number of options outstanding, including both vested and non-vested options.

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Per share weighted-average price paid for shares purchased on open market 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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Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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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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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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Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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Employee Incentive Plans - Narrative (Details)		1 Months Ended			12 Months Ended
Employee Incentive Plans - Narrative (Details)	Feb. 01, 2024 shares	Mar. 31, 2024 $ / shares shares	Mar. 31, 2023 $ / shares shares	Mar. 31, 2022 $ / shares shares	Jan. 31, 2025 USD ($) numberOfIncentivePlan offering_period $ / shares shares	Jan. 31, 2024 USD ($) $ / shares shares	Jan. 31, 2023 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans \| numberOfIncentivePlan					2
Options to purchase common stock outstanding (in shares) \| shares					2,199,000	5,038,000
Number of options, granted (in shares) \| shares					0	0	0
Grant date fair value of vested stock options					$ 16,000,000	$ 48,000,000	$ 104,000,000
Intrinsic value of options exercised					213,000,000	57,000,000	108,000,000
Exercise of stock option, windfall tax benefit					47,000,000	0	0
Issuance of common stock under employee stock purchase plan, net of cancellations					42,000,000	46,000,000
Defined contribution plan, employer contribution amount					$ 18,000,000	19,000,000	21,000,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (years)					10 years
Vesting period					4 years
Stock options \| Vesting tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					1 year
Vesting percentage earned by employees after each completed year of service					25.00%
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted in period \| shares					4,858,824
Grants in period, aggregate fair value					$ 471,000,000
Unrecognized compensation costs related to unvested restricted stock units					$ 672,000,000	898,000,000
Weighted average stock-based compensation recognition period					1 year 9 months 18 days
Fair value of units vested					$ 382,000,000	335,000,000	$ 229,000,000
Granted (in dollars per share) \| $ / shares					$ 96.98
Market-based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years	3 years	3 years
Number of shares granted in period \| shares		183,595	192,843	58,150
Granted (in dollars per share) \| $ / shares		$ 182.15	$ 149.78	$ 244.73
Market-based Restricted Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earn rate, percent of shares granted		0.00%	0.00%	0.00%
Market-based Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earn rate, percent of shares granted		200.00%	200.00%	200.00%
Market-based Restricted Stock Units \| Vesting tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage earned by employees after each completed year of service		33.00%	33.00%	33.00%
Market-based Restricted Stock Units \| Vesting tranche two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage earned by employees after each completed year of service		33.00%	33.00%	33.00%
Market-based Restricted Stock Units \| Vesting tranche three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage earned by employees after each completed year of service		33.00%	33.00%	33.00%
Restricted stock awards \| Spera Cybersecurity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Unrecognized compensation costs related to unvested restricted stock units					$ 15,000,000
Weighted average stock-based compensation recognition period					2 years 1 month 6 days
Number of shares issued under ESPP \| shares	238,795
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs related to unvested restricted stock units					$ 15,000,000	$ 16,000,000
Weighted average stock-based compensation recognition period					7 months 6 days
ESPP offering period					12 months
Number of offering periods \| offering_period					2
ESPP length of purchase period					6 months
Number of shares issued under ESPP \| shares					586,149	793,739
Weighted average price, shares issued under ESPP (in dollars per share) \| $ / shares					$ 71.68	$ 57.84
2017 Equity Incentive Plan \| Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase common stock outstanding (in shares) \| shares					811,267
2017 Equity Incentive Plan \| Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase common stock outstanding (in shares) \| shares					1,387,313