Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Sep. 30, 2023	Sep. 30, 2023
Share-based compensation cost	$ 384	$ 443
Restricted Stock Units, Liability-Classified
Share-based compensation cost	$ 129	$ 212

Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480483/718-10-35-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481089/718-20-55-13

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481089/718-20-55-12

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration