Commitments and Contingencies - Contingencies (Details) administrator in Thousands, $ in Thousands				1 Months Ended				12 Months Ended
	Aug. 06, 2019 USD ($)	Oct. 02, 2017 USD ($)	Aug. 02, 2017 individual	Jun. 30, 2019 plaintiff	Mar. 31, 2019 officer lawsuit	Oct. 31, 2018 plaintiff	Oct. 31, 2015 USD ($)	Apr. 03, 2015 administrator	Feb. 02, 2017 joint_venture	May 12, 2016
Loss Contingencies [Line Items]
Number of partially-owned joint ventures involved in possible sanctions law violations | joint_venture									2
Strauch and Colby v. Computer Sciences Corporation
Loss Contingencies [Line Items]
Number of plaintiffs | administrator								4
Number of system administrators filed Consent to Join forms | administrator								1
Number of individuals involved in collective action | individual			800
Forsyth et al. v. HP Inc. and Hewlett Packard Enterprise
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff				145		16
Oracle America, Inc. et al. v. Hewlet Packard Enterprise Company
Loss Contingencies [Line Items]
Lawsuits filed | lawsuit					3
Settled litigation | Civil Complaint Against Eric Pulier
Loss Contingencies [Line Items]
Loss contingency, legal fees percentage										80.00%
Settled litigation | Kemper Corporate Services, Inc. v. Computer Sciences Corporation
Loss Contingencies [Line Items]
Amount awarded to other party		$ 84,200
Pending litigation | Kemper Corporate Services, Inc. v. Computer Sciences Corporation
Loss Contingencies [Line Items]
Loss contingency, damages sought							$ 100,000
Officer | Oracle America, Inc. et al. v. Hewlet Packard Enterprise Company
Loss Contingencies [Line Items]
Number of defendants | officer					2
Subsequent event | Strauch and Colby v. Computer Sciences Corporation
Loss Contingencies [Line Items]
Amount awarded to plaintiffs	$ 18,750