Shareholders' Equity (Details) - $ / shares		12 Months Ended
	Jul. 30, 2019	Mar. 31, 2020	Sep. 30, 2019	Jul. 31, 2019	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Class of Stock [Line Items]
Common shares, authorized (in shares)		600,000,000
Par value (in dollars per share)		$ 0.001
Common units, outstanding (in units)					100
Common shares, outstanding (in shares)		280,853,040
Dynatrace Holdings LLC
Class of Stock [Line Items]
Common units, outstanding (in units)	241,547,218
Common units, issued during the exchange (in shares)			241,547,218	241,547,218
Common units, issued (in shares)	19,525,510
Management Incentive Units and Appreciation Units
Class of Stock [Line Items]
Common units, issued (in shares)		16,687,436
Common Shares
Class of Stock [Line Items]
Common units issued and exchanged for common stock in Dynatrace, Inc. (in shares)		241,547,118
Common units, issued (in shares)		38,873,000
Common shares, outstanding (in shares)		280,853,000			0	0	0