Healthcare Technology Net Asset Exchange - Summarized Financial Information (Details) - Change Healthcare, LLC (“Change Healthcare”) $ in Millions	6 Months Ended
Sep. 30, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
Net Loss	$ (9)
Joint Venture
Schedule of Equity Method Investments [Line Items]
Revenues	1,695
Loss from Continuing Operations	(13)
Net Loss	$ (13)

Amount of income (loss) from continuing operations reported by an equity method investee.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of net income (loss) reported by an equity method investment of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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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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