Earnings (Loss) per Share - Reconciliation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Basic Earnings (Loss) per Share:
Net Income from continuing operations attributable to Xerox	$ 361	$ 192	$ 622
Accrued dividends on preferred stock	(14)	(14)	(24)
Adjusted Net income from continuing operations available to common shareholders	347	178	598
Income (loss) from discontinued operations attributable to Xerox, net of tax	0	3	(1,093)
Adjusted Net income (loss) available to common shareholders	$ 347	$ 181	$ (495)
Weighted-average common shares outstanding	248,707	254,341	253,391
Continuing Operations (in dollars per share)	$ 1.40	$ 0.70	$ 2.36
Discontinued operations (in dollars per share)	0.00	0.01	(4.31)
Basic Earnings (Loss) per Share	$ 1.40	$ 0.71	$ (1.95)
Diluted Earnings (Loss) per Share:
Net income from continuing operations	$ 361	$ 192	$ 622
Accrued dividends on preferred stock	(14)	(14)	(24)
Adjusted Net income from continuing operations available to common shareholders	347	178	598
Income (loss) from discontinued operations attributable to Xerox, net of tax	0	3	(1,093)
Adjusted Net income (loss) available to common shareholders	$ 347	$ 181	$ (495)
Weighted-average common shares outstanding	248,707	254,341	253,391
Common shares issuable with respect to:
Adjusted Weighted average common shares outstanding	251,660	256,570	255,995
Continuing Operations (in dollars per share)	$ 1.38	$ 0.70	$ 2.33
Discontinued operations (in dollars per share)	0.00	0.01	(4.26)
Diluted Earnings (Loss) per Share	$ 1.38	$ 0.71	$ (1.93)
Stock options
Common shares issuable with respect to:
Stock options, Restricted stock and performance shares	0	0	174
Restricted stock and performance shares
Common shares issuable with respect to:
Stock options, Restricted stock and performance shares	2,953	2,229	2,430