Balance Sheet Details Balance Sheet Details (Deferred Net Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Deferred Revenue, Current	$ 2,024	$ 1,527
Deferred Revenue, Revenue Recognized	1,613	1,010
Online enabled games [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Deferred Revenue, Current	2,024	1,527
Other [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Deferred Revenue, Current	156	95
Noncurrent [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Deferred Revenue, Noncurrent	68	14
Total [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Deferred Revenue	$ 2,248	$ 1,636

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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