Preferred Stock (Details) $ / shares in Units, $ in Millions			12 Months Ended
		Jun. 14, 2017	Dec. 31, 2017 USD ($) Days $ / shares shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Class of Stock [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio		0.25
Preferred stock converted into common shares | shares			37.4532
Cash dividends declared-preferred stock	[1],[2]		$ 14	$ 24	$ 24
Total conversion of number of preferred stock shares into common stock, shares | shares			6,742,000
Total conversion of preferred stock shares into common stock, initial conversion price per share | $ / shares			$ 26.70
Common stock closing price, maximum threshold, triggering conversion of Pfd to Common Stock | $ / shares			$ 39
Common stock closing price, maximum threshold as percent of initial conversion price, triggering conversion of Pfd to Common Stock			146.10%
Minimum number of trading days C/S close price must exceed conversion price to trigger Pfd Stock conversion | Days			20
Number of trading days used for measurement | Days			30
Series B [Member]
Class of Stock [Line Items]
Preferred stock converted into common shares | shares			180,000
Preferred Stock, Liquidation Preference, Value			$ 180
Xerox Preferred Stock, Post Conversion Carrying Value, Shares Issued			$ 214
Preferred stock, dividend rate, percentage			8.00%
Cash dividends declared-preferred stock			$ 14
Common Stock [Member]
Class of Stock [Line Items]
Cash dividends declared-preferred stock	[1],[2]		$ 0	$ 0	$ 0
Reverse Stock Split [Member] | Common Stock [Member]
Class of Stock [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio		0.25

[1] Cash dividends declared on preferred stock of $20 per share in each quarter of 2017, 2016 and 2015.

[2] Reflects our one-for-four reverse stock split that became effective on June 14, 2017. Refer to Note 1 - Basis of Presentation and Summary of Significant Accounting Policies for further information.