Accrued acquisition-related costs related to purchase price amounts withheld subject to indemnification protections.

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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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- References

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Acquisitions 3 (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Acquisitions 3 (Details) - USD ($) $ in Millions	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017
Business Combinations [Abstract]
Accrued acquisition-related costs related to purchase price amounts withheld subject to indemnification protections	$ 11		$ 11		$ 12
Business Acquisition
Total revenue	1,034	$ 1,018	2,059	$ 2,017
Net income (loss)	184	$ 212	362	$ 410
Automic and Veracode
Business Acquisition
Total revenue	55		114
Net income (loss)	$ (18)		$ (37)