Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended				6 Months Ended
		Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2018	Jun. 30, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance			$ 5,256			$ 5,256
Noncontrolling Interests, Beginning Balance			37			37
Total Equity, Beginning Balance			$ 5,293		$ 4,747	5,293	$ 4,747
Cumulative effect of change in accounting principles(1)	[1]					120
Comprehensive income, net attributable to Xerox		$ (123)		$ 327		111	533
Comprehensive income, net attributable to noncontrolling interests		2		4		5	7
Comprehensive (Loss) Income, Net		(121)		331		116	540
Cash dividends declared - common	[2]					(130)	(129)
Cash dividends declared - preferred	[3]					(7)	(7)
Stock option and incentive plans, net						27	17
Distributions to noncontrolling interests						(11)	(10)
Xerox Shareholders' Equity, Ending Balance		5,377				5,377
Noncontrolling Interests, Ending Balance		31				31
Total Equity, Ending Balance		$ 5,408		$ 5,158		$ 5,408	$ 5,158
Dividends per common share (in dollars per share)		$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.50	$ 0.50
Treasury Stock, Shares, Acquired (in shares)		0	0
Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends per preferred share (in dollars per share)		$ 20.00	$ 20.00	$ 20.00	$ 20.00
Xerox Shareholders’ Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance			$ 5,256		$ 4,709	$ 5,256	$ 4,709
Cumulative effect of change in accounting principles(1)	[1]					120
Comprehensive income, net attributable to Xerox						111	533
Cash dividends declared - common	[2]					(130)	(129)
Cash dividends declared - preferred	[3]					(7)	(7)
Stock option and incentive plans, net						27	17
Distributions to noncontrolling interests						0	0
Xerox Shareholders' Equity, Ending Balance		$ 5,377		$ 5,123		5,377	5,123
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance			255		254	255	254
Cumulative effect of change in accounting principles(1)	[1]					0
Comprehensive income, net attributable to Xerox						0	0
Cash dividends declared - common	[2]					0	0
Cash dividends declared - preferred	[3]					0	0
Stock option and incentive plans, net						0	0
Distributions to noncontrolling interests						0	0
Xerox Shareholders' Equity, Ending Balance		255		254		255	254
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance			3,893		3,858	3,893	3,858
Cumulative effect of change in accounting principles(1)	[1]					0
Comprehensive income, net attributable to Xerox						0	0
Cash dividends declared - common	[2]					0	0
Cash dividends declared - preferred	[3]					0	0
Stock option and incentive plans, net						27	17
Distributions to noncontrolling interests						0	0
Xerox Shareholders' Equity, Ending Balance		3,920		3,875		3,920	3,875
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance			4,856		4,934	4,856	4,934
Cumulative effect of change in accounting principles(1)	[1]					120
Comprehensive income, net attributable to Xerox						135	206
Cash dividends declared - common	[2]					(130)	(129)
Cash dividends declared - preferred	[3]					(7)	(7)
Stock option and incentive plans, net						0	0
Distributions to noncontrolling interests						0	0
Xerox Shareholders' Equity, Ending Balance		4,974		5,004		4,974	5,004
AOCL
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance	[4]		(3,748)		(4,337)	(3,748)	(4,337)
Cumulative effect of change in accounting principles(1)	[1],[4]					0
Comprehensive income, net attributable to Xerox	[4]					(24)	327
Cash dividends declared - common	[2],[4]					0	0
Cash dividends declared - preferred	[3],[4]					0	0
Stock option and incentive plans, net	[4]					0	0
Distributions to noncontrolling interests	[4]					0	0
Xerox Shareholders' Equity, Ending Balance	[4]	(3,772)		(4,010)		(3,772)	(4,010)
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling Interests, Beginning Balance			$ 37		$ 38	37	38
Cumulative effect of change in accounting principles(1)	[1]					0
Comprehensive income, net attributable to noncontrolling interests						5	7
Cash dividends declared - common	[2]					0	0
Cash dividends declared - preferred	[3]					0	0
Stock option and incentive plans, net						0	0
Distributions to noncontrolling interests						(11)	(10)
Noncontrolling Interests, Ending Balance		$ 31		$ 35		31	$ 35
Accounting Standards Update 2014-09 [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principles(1)						117
Accounting Standards Update 2016-01 [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principles(1)						$ 3

[1] Includes $117 related to the adoptions of the new Revenue Recognition Standard, see Note 2 for additional information, and $3 related to our share of Fuji Xerox's adoption of ASU 2016-01 - Financial Instruments - Classification and Measurement.

[2] Cash dividends declared on common stock of $0.25 per share in each quarter of 2018 and 2017.

[3] Cash dividends declared on preferred stock of $20.00 per share in each quarter of 2018 and 2017.

[4] Refer to Note 16 - Other Comprehensive (Loss) Income for components of AOCL.