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- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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-Publisher FASB
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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

Amount of unrecognized tax benefits.

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- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Footnote Disclosure [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 6		$ 7
Gross unrecognized tax benefits	$ 587		$ 587
Effective Income Tax Rate Reconciliation, Percent	10.00%	33.00%	21.00%	9.00%
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 5		$ 5
Provision for income taxes	32	$ (46)	$ 136	$ 57
Codemasters Intra-entity Sale of Intellectual Property Rights [Member]
Income Tax Footnote Disclosure [Line Items]
Provision for income taxes	$ 60
Pro Forma [Member]
Income Tax Footnote Disclosure [Line Items]
Effective Income Tax Rate Reconciliation, Percent		13.00%		20.00%
Pro Forma [Member] \| Codemasters Intra-entity Sale of Intellectual Property Rights [Member]
Income Tax Footnote Disclosure [Line Items]
Effective Income Tax Rate Reconciliation, Percent	28.00%		31.00%