Business Combinations (Details) $ in Thousands				3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 20, 2021 USD ($)	Apr. 29, 2021 USD ($) gluCSToEACSConversionRate	Feb. 18, 2021 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2021
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired						$ 3,394,000	$ 0
Goodwill acquired						$ 2,591,000
Weighted Average
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						5 years 4 months 24 days		3 years 6 months
Codemasters Group Holdings plc [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement			Feb. 18, 2021
Payments to Acquire Businesses, Net of Cash Acquired			$ 1,200,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities				$ 5,000
Business Acquisition, Percentage of Voting Interests Acquired			100.00%
Glu Mobile Inc. [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement		Apr. 29, 2021
Payments to Acquire Businesses, Net of Cash Acquired		$ 2,000,000			$ 2,002,000	$ 2,002,000
Goodwill, Purchase Accounting Adjustments				100,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities				31,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents		$ 332,000
Exchange Ratio Used to Convert Glu Awards to EA Number of Shares | gluCSToEACSConversionRate		0.0880
Fair Value of the Replacement Awards		$ 133,000
Portion of Replacement Awards Related to Services Rendered Prior to Glu Acquisition		23,000
Portion of Replacement Awards Related to Services Rendered After Glu Acquisition		$ 110,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets				63,000	63,000	63,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				14,000	14,000	14,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets				48,000	48,000	48,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				526,000	657,000	526,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles				(131,000)
Goodwill acquired					1,406,000	1,506,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities				(38,000)	(69,000)	(38,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities				(78,000)	(78,000)	(78,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities				(39,000)	(39,000)	(39,000)
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Business Acquisition, Transaction Costs		$ 15,000			11,000
Glu Mobile Inc. [Member] | In Process Research and Development [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets				73,000	88,000	$ 73,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles				(15,000)
Glu Mobile Inc. [Member] | Weighted Average
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						5 years 6 months
Glu Mobile Inc. [Member] | Developed Technology Rights [Member]
Business Acquisition [Line Items]
Intangible Assets Acquired				232,000	305,000	$ 232,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles				(73,000)
Glu Mobile Inc. [Member] | Trademarks [Member]
Business Acquisition [Line Items]
Intangible Assets Acquired				209,000	252,000	209,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles				(43,000)
Glu Mobile Inc. [Member] | Registered User Base And Other Intangibles
Business Acquisition [Line Items]
Intangible Assets Acquired				12,000	$ 12,000	12,000
Playdemic Limited [Member]
Business Acquisition [Line Items]
Business Acquisition, Date of Acquisition Agreement	Sep. 20, 2021
Payments to Acquire Businesses, Net of Cash Acquired	$ 1,400,000					1,405,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets				22,000		22,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				2,000		2,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets				2,000		2,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				354,000		354,000
Goodwill acquired						1,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities				(67,000)		(67,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities				(6,000)		(6,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities				(2,000)		(2,000)
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Acquisition, Transaction Costs	$ 11,000			$ 8,000		$ 8,000
Playdemic Limited [Member] | Weighted Average
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						7 years