Earnings per Share - Reconciliation (Details) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended											6 Months Ended			12 Months Ended
	Jun. 14, 2017	Jun. 30, 2017 USD ($) $ / shares shares	Mar. 31, 2017 USD ($) $ / shares	Dec. 31, 2016 $ / shares	Sep. 30, 2016 $ / shares	Jun. 30, 2016 USD ($) $ / shares shares		Mar. 31, 2016 $ / shares	Dec. 31, 2015 $ / shares	Sep. 30, 2015 $ / shares	Jun. 30, 2015 $ / shares	Mar. 31, 2015 $ / shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares shares		Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares
Schedule of Basic And Diluted Earnings [Line Items]
Stock Split, Conversion Ratio	0.25
Basic Earnings (Loss) per Share:
Net income from continuing operations attributable to Xerox		$ 166	$ 46			$ 196							$ 212	$ 262		$ 622	$ 822	$ 1,011
Adjusted Net income from continuing operations available to common shareholders		163				190							205	250
Net loss from discontinued operations attributable to Xerox		0				(38)							(6)	(73)
Adjusted Net income available to common shareholders		$ 163				$ 152							$ 199	$ 177
Weighted average common shares outstanding (in shares) | shares		254,193				253,321							254,107	253,291
Continuing operations (dollars per share) | $ / shares		$ 0.64	$ 0.17	$ 0.71	$ 0.66	$ 0.75	[1]	$ 0.24	$ 0.97	$ 0.75	$ 0.72	$ 0.58	$ 0.81	$ 0.99	[1]	$ 2.36	$ 3.00	$ 3.42
Discontinued operations (dollars per share) | $ / shares		0.00				(0.15)	[1]						(0.03)	(0.29)	[1]
Total Basic Earnings per Share | $ / shares		$ 0.64	$ 0.14	(3.35)	0.69	$ 0.60	[1]	0.10	1.03	(0.16)	0.01	0.72	$ 0.78	$ 0.70	[1]	$ (1.95)	$ 1.59	$ 3.37
Diluted Earnings (Loss) per Share:
Net income from continuing operations attributable to Xerox		$ 166	$ 46			$ 196							$ 212	$ 262		$ 622	$ 822	$ 1,011
Adjusted Net income from continuing operations available to common shareholders		166				190							205	250
Net loss from discontinued operations attributable to Xerox		0				(38)							(6)	(73)
Adjusted Net income available to common shareholders		$ 166				$ 152							$ 199	$ 177
Weighted average common shares outstanding (in shares) | shares		254,193				253,321							254,107	253,291
Common shares issuable with respect to:
Adjusted Weighted Average Common Shares Outstanding - Diluted (in shares) | shares		263,210				255,505							256,297	255,289
Continuing operations (dollars per share) | $ / shares		$ 0.63	$ 0.16	0.70	0.66	$ 0.75	[1]	0.23	0.96	0.75	0.71	0.57	$ 0.80	$ 0.98	[1]	$ 2.33	$ 2.97	$ 3.37
Discontinued operations (dollars per share) | $ / shares		0.00				(0.15)	[1]						(0.02)	(0.28)	[1]
Total Diluted Earnings per Share | $ / shares		$ 0.63	$ 0.14	$ (3.30)	$ 0.69	$ 0.60	[1]	$ 0.10	$ 1.02	$ (0.16)	$ 0.01	$ 0.71	$ 0.78	$ 0.70	[1]	$ (1.93)	$ 1.58	$ 3.32
Stock options [Member]
Common shares issuable with respect to:
Stock options and Restricted stock and performance shares (in shares) | shares		0				205							0	209
Restricted Stock and Performance Shares [Member]
Common shares issuable with respect to:
Stock options and Restricted stock and performance shares (in shares) | shares		2,275				1,979							2,190	1,789
Convertible Preferred Stock [Member]
Common shares issuable with respect to:
Convertible preferred stock (in shares) | shares		6,742				0							0	0
Earnings (loss) per share, basic [Member]
Basic Earnings (Loss) per Share:
Accrued dividends on preferred stock		$ (3)				$ (6)							$ (7)	$ (12)
Earnings (loss) per share, diluted [Member]
Basic Earnings (Loss) per Share:
Accrued dividends on preferred stock		$ 0				$ (6)							$ (7)	$ (12)

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