Amount of costs incurred to date for the specified restructuring cost.

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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Amount expected to be recognized in earnings for the specified restructuring cost.

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The number of positions eliminated during the period as a result of restructuring activities.

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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.

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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

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Severance and Exit Costs 2 (Details) $ in Millions	6 Months Ended	11 Months Ended
Severance and Exit Costs 2 (Details) $ in Millions	Jun. 30, 2015 Employee	Mar. 31, 2014 USD ($) Employee	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2013 USD ($)
Restructuring and Related Activities
Accrued balance		$ 84	$ 19	$ 49	$ 39
Severance
Restructuring and Related Activities
Accrued balance		$ 55	3	28	$ 16
Fiscal 2015 Severance Actions
Restructuring and Related Activities
Number of employees terminated \| Employee	690
Fiscal 2015 Severance Actions \| Severance
Restructuring and Related Activities
Expected cost				40
Fiscal 2014 Plan
Restructuring and Related Activities
Number of employees terminated \| Employee		1,900
Cost incurred to date			187
Plans and Actions Prior to Fiscal 2015 Severance Actions \| Severance
Restructuring and Related Activities
Accrued balance			$ 2	$ 5