Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jul. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance				$ 5,256,000,000		$ 5,256,000,000
Noncontrolling Interests, Beginning Balance				37,000,000		37,000,000
Total Equity, Beginning Balance		$ 5,408,000,000		$ 5,293,000,000	$ 5,158,000,000	5,293,000,000	$ 4,747,000,000
Cumulative effect of change in accounting principles(4)	[1]					120,000,000
Comprehensive income, net attributable to Xerox		150,000,000			294,000,000	261,000,000	827,000,000
Comprehensive income, net attributable to noncontrolling interests		4,000,000			3,000,000	9,000,000	10,000,000
Comprehensive Income, Net		154,000,000			297,000,000	270,000,000	837,000,000
Cash dividends declared - common	[2]	(62,000,000)			(63,000,000)	(192,000,000)	(192,000,000)
Stock option and incentive plans, net		11,000,000			7,000,000	38,000,000	24,000,000
Payments to acquire treasury stock, value, including fees	[3]	(284,000,000)				(284,000,000)
Distributions and purchase - noncontrolling interests		(1,000,000)			(5,000,000)	(12,000,000)	(15,000,000)
Xerox Shareholders' Equity, Ending Balance		5,188,000,000				5,188,000,000
Noncontrolling Interests, Ending Balance		34,000,000				34,000,000
Total Equity, Ending Balance		$ 5,222,000,000	$ 5,408,000,000		$ 5,390,000,000	$ 5,222,000,000	$ 5,390,000,000
Treasury Stock, Shares, Beginning Balance		0		0		0
Treasury Stock, Shares, Acquired		10,502	0	0		10,502
Treasury Stock, Shares, Retired		0				0
Treasury Stock, Shares, Ending Balance		10,502	0			10,502
Treasury stock, at cost, beginning balance		$ 0		$ 0		$ 0
Treasury Stock, Purchases	[3]	284,000,000				284,000,000
Treasury Stock, Value, Retired, Cost Method		0				0
Treasury stock, at cost., ending balance		$ 284,000,000	$ 0			$ 284,000,000
Dividends per common share (in dollars per share)		$ 0.25			$ 0.25	$ 0.75	$ 0.75
Stock Repurchase Program, Authorized Amount								$ 1,000,000,000
Remaining share authority written off								$ 245,000,000
ASU 2014-09
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principles(4)						$ 117,000,000
Accounting Standards Update 2016-01 [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principles(4)						3,000,000
Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	$ (4,000,000)			$ (4,000,000)	$ (11,000,000)	$ (11,000,000)
Dividends per preferred share (in dollars per share)		$ 20.00			$ 20.00	$ 60.00	$ 60.00
Xerox Shareholders’ Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance		$ 5,377,000,000		5,256,000,000	$ 5,123,000,000	$ 5,256,000,000	$ 4,709,000,000
Cumulative effect of change in accounting principles(4)	[1]					120,000,000
Comprehensive income, net attributable to Xerox		150,000,000			294,000,000	261,000,000	827,000,000
Cash dividends declared - common	[2]	(62,000,000)			(63,000,000)	(192,000,000)	(192,000,000)
Stock option and incentive plans, net		11,000,000			7,000,000	38,000,000	24,000,000
Payments to acquire treasury stock, value, including fees		(284,000,000)				(284,000,000)
Distributions and purchase - noncontrolling interests		0			(1,000,000)	0	(1,000,000)
Xerox Shareholders' Equity, Ending Balance		5,188,000,000	5,377,000,000		5,356,000,000	5,188,000,000	5,356,000,000
Treasury Stock, Purchases		284,000,000				284,000,000
Xerox Shareholders’ Equity | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	(4,000,000)			(4,000,000)	(11,000,000)	(11,000,000)
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance		255,000,000		255,000,000	254,000,000	255,000,000	254,000,000
Cumulative effect of change in accounting principles(4)	[1]					0
Comprehensive income, net attributable to Xerox		0			0	0	0
Cash dividends declared - common	[2]	0			0	0	0
Stock option and incentive plans, net		1,000,000			1,000,000	1,000,000	1,000,000
Payments to acquire treasury stock, value, including fees		0				0
Distributions and purchase - noncontrolling interests		0			0	0	0
Xerox Shareholders' Equity, Ending Balance		256,000,000	255,000,000		255,000,000	256,000,000	255,000,000
Treasury Stock, Purchases		0				0
Common Stock | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	0			0	0	0
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance		3,920,000,000		3,893,000,000	3,875,000,000	3,893,000,000	3,858,000,000
Cumulative effect of change in accounting principles(4)	[1]					0
Comprehensive income, net attributable to Xerox		0			0	0	0
Cash dividends declared - common	[2]	0			0	0	0
Stock option and incentive plans, net		10,000,000			6,000,000	37,000,000	23,000,000
Payments to acquire treasury stock, value, including fees		0				0
Distributions and purchase - noncontrolling interests		0			(1,000,000)	0	(1,000,000)
Xerox Shareholders' Equity, Ending Balance		3,930,000,000	3,920,000,000		3,880,000,000	3,930,000,000	3,880,000,000
Treasury Stock, Purchases		0				0
Additional Paid-in Capital | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	0			0	0	0
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance		0		0	0	0	0
Cumulative effect of change in accounting principles(4)	[1]					0
Comprehensive income, net attributable to Xerox		0			0	0	0
Cash dividends declared - common	[2]	0			0	0	0
Stock option and incentive plans, net		0			0	0	0
Payments to acquire treasury stock, value, including fees		(284,000,000)				(284,000,000)
Distributions and purchase - noncontrolling interests		0			0	0	0
Xerox Shareholders' Equity, Ending Balance		(284,000,000)	0		0	(284,000,000)	0
Treasury Stock, Purchases		284,000,000				284,000,000
Treasury Stock | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	0			0	0	0
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance		4,974,000,000		4,856,000,000	5,004,000,000	4,856,000,000	4,934,000,000
Cumulative effect of change in accounting principles(4)	[1]					120,000,000
Comprehensive income, net attributable to Xerox		89,000,000			179,000,000	224,000,000	385,000,000
Cash dividends declared - common	[2]	(62,000,000)			(63,000,000)	(192,000,000)	(192,000,000)
Stock option and incentive plans, net		0			0	0	0
Payments to acquire treasury stock, value, including fees		0				0
Distributions and purchase - noncontrolling interests		0			0	0	0
Xerox Shareholders' Equity, Ending Balance		4,997,000,000	4,974,000,000		5,116,000,000	4,997,000,000	5,116,000,000
Treasury Stock, Purchases		0				0
Retained Earnings | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	(4,000,000)			(4,000,000)	(11,000,000)	(11,000,000)
AOCL
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Xerox Shareholders' Equity, Beginning Balance	[5]	(3,772,000,000)		(3,748,000,000)	(4,010,000,000)	(3,748,000,000)	(4,337,000,000)
Cumulative effect of change in accounting principles(4)	[1],[5]					0
Comprehensive income, net attributable to Xerox	[5]	61,000,000			115,000,000	37,000,000	442,000,000
Cash dividends declared - common	[2],[5]	0			0	0	0
Stock option and incentive plans, net	[5]	0			0	0	0
Payments to acquire treasury stock, value, including fees	[5]	0				0
Distributions and purchase - noncontrolling interests	[5]	0			0	0	0
Xerox Shareholders' Equity, Ending Balance	[5]	(3,711,000,000)	(3,772,000,000)		(3,895,000,000)	(3,711,000,000)	(3,895,000,000)
Treasury Stock, Purchases	[5]	0				0
AOCL | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4],[5]	0			0	0	0
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling Interests, Beginning Balance		31,000,000		$ 37,000,000	35,000,000	37,000,000	38,000,000
Cumulative effect of change in accounting principles(4)	[1]					0
Comprehensive income, net attributable to noncontrolling interests		4,000,000			3,000,000	9,000,000	10,000,000
Cash dividends declared - common	[2]	0			0	0	0
Stock option and incentive plans, net		0			0	0	0
Payments to acquire treasury stock, value, including fees		0				0
Distributions and purchase - noncontrolling interests		(1,000,000)			(4,000,000)	(12,000,000)	(14,000,000)
Noncontrolling Interests, Ending Balance		34,000,000	$ 31,000,000		34,000,000	34,000,000	34,000,000
Treasury Stock, Purchases		0				0
Non-controlling Interests | Series B Preferred Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[4]	$ 0			$ 0	$ 0	$ 0

[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 for the three and nine months ended September 30, 2018 and 2017 were $0.25 per share and $0.75 per share, respectively.

[3] Includes associated fees.

[4] Cash dividends declared on preferred stock for the three and nine months ended September 30, 2018 and 2017 were $20.00 per share and $60.00 per share, respectively.

[5] Refer to Note 17 - Other Comprehensive Income for components of AOCL.