Restructuring Activities - Schedule of Restructuring (Details) $ in Millions	12 Months Ended
Mar. 31, 2023 USD ($)
Restructuring Cost and Reserve [Line Items]
Charges to operations	$ 155
Charges settled in cash	(10)
Non-cash items	(110)
Liability as of March 31, 2023	$ 35
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring (See Note 8)
Acquisition Related Intangibles Impairments and Other Charges
Restructuring Cost and Reserve [Line Items]
Charges to operations	$ 68
Charges settled in cash	0
Non-cash items	(66)
Liability as of March 31, 2023	2
Workforce
Restructuring Cost and Reserve [Line Items]
Charges to operations	43
Charges settled in cash	(10)
Non-cash items	0
Liability as of March 31, 2023	33
Office Space Reductions (b)
Restructuring Cost and Reserve [Line Items]
Charges to operations	44
Charges settled in cash	0
Non-cash items	(44)
Liability as of March 31, 2023	$ 0

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(d))
-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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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.

+ References

No definition available.

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Indicates line item in statement of income or comprehensive income that includes incurred restructuring and related costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

+ Details

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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