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Maximum Percentage That Employees Authorized For Payroll Deductions

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Minimum Percentage That Employees Authorized For Payroll Deductions

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Number of Shares Available for Grant, Employee Stock Purchase Plans

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Percentage Allowed Of Exercise Price Of Stock Options Compared To Fair Market Value On Date Of Grant

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Percentage range of shares received at vesting for stock units based on our total stockholder return ("TSR") relative to the performance of companies in the NASDAQ-100 Index for each measurement period.

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Reduction In Shares Available Per Grant Of Stock Right

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Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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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

Discount rate from fair value on offering date that participants pay for shares.

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- Definition

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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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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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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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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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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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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Amount of stock repurchase plan authorized.

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Stock-Based Compensation And Employee Benefit Plans - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Nov. 30, 2020	Nov. 04, 2020	May 11, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Deferred Income Tax Expense (Benefit)	$ (213.0)	$ (328.0)	$ (142.0)
Deferred Compensation Plan Assets	23.0	21.0
Deferred Compensation Liability, Classified, Noncurrent	24.0	22.0
Deferred Compensation Arrangement with Individual, Contributions by Employer	42.0	41.0	40.0
May 2018 Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Authorized Amount						$ 2,400.0
August 2022 Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Authorized Amount					$ 2,600.0
November 2020 Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Authorized Amount				$ 2,600.0
Stock-based compensation expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Income Tax Expense (Benefit)	$ 72.0	68.0	56.0
Vesting Year4 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cliff Vesting Period	4 years
Vesting Year3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cliff Vesting Period	35 months
2019 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage Allowed Of Exercise Price Of Stock Options Compared To Fair Market Value On Date Of Grant	100.00%
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	21.7
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 15.0	$ 8.0	$ 76.0
Restricted Stock Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	15.2
Reduction In Shares Available Per Grant Of Stock Right	1.43
Granted	$ 126.41	$ 136.78	$ 127.27
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 460.0	$ 457.0	$ 420.0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 9 months 18 days
Restricted Stock Rights (including Glu's related grant) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	$ 126.41
Performance Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	$ 127.98	$ 140.48
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 9.0	$ 38.0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 7.0
Market Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	$ 176.70	$ 170.44	$ 145.78
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 12.0	$ 37.0	$ 19.0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 19.0
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	$ 33.91	$ 35.94	$ 29.80
Minimum Percentage That Employees Authorized For Payroll Deductions	2.00%
Maximum Percentage That Employees Authorized For Payroll Deductions	10.00%
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date	85.00%
Number of Shares Available for Grant, Employee Stock Purchase Plans	3.5
Stock-based compensation expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 740.0
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 714.0
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Measurement Periods for Performance based Restricted Stock	4 years
Maximum \| 2019 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	29.5
Maximum \| Performance Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage Range Of Shares Received At Vesting Based On Total Stock Return Measurement	200.00%
Maximum \| Market Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage Range Of Shares Received At Vesting Based On Total Stock Return Measurement	200.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Measurement Periods for Performance based Restricted Stock	3 years
Minimum \| Performance Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage Range Of Shares Received At Vesting Based On Total Stock Return Measurement	0.00%
Minimum \| Market Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage Range Of Shares Received At Vesting Based On Total Stock Return Measurement	0.00%