Adoption of New Leasing Standard - Xerox as a Lessee - Operating Lease ROU Asset, Net and Operating Lease Liabilities (Details) $ in Millions	Jun. 30, 2019 USD ($)
Leases [Abstract]
Operating lease, Other long-term assets	$ 319
Operating lease, Accrued expenses and other current liabilities	92
Operating lease, Other long-term liabilities	254
Total Operating lease liabilities	$ 346