Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019		Jun. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		$ 5,063	$ 5,582	$ 5,039		$ 5,293
Cumulative effect of change in accounting principle			3			120
Comprehensive income (loss), net		189	(121)	365		116
Cash dividends declared - common	[1]	(57)	(65)	(115)		(130)
Stock option and incentive plans, net		6	12	20		27
Payments to acquire treasury stock, including fees		(197)		(300)	[2]
Cancellation of treasury stock				(224)
Distributions to noncontrolling interests		(9)		10		11
Balance at end of period		$ 4,992	$ 5,408	$ 4,992		$ 5,408
Dividends per common share (in dollars per share)		$ 0.25	$ 0.25	$ 0.50		$ 0.50
Dividends per preferred share (in dollars per share)		$ 20.00	$ 20.00	$ 40.00		$ 40.00
Series B Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[3]	$ (3)	$ (3)	$ (7)		$ (7)
Xerox Shareholders’ Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		5,027	5,553	5,005		5,256
Cumulative effect of change in accounting principle			3			120
Comprehensive income (loss), net		186	(123)	359		111
Cash dividends declared - common	[1]	(57)	(65)	(115)		(130)
Stock option and incentive plans, net		6	12	20		27
Payments to acquire treasury stock, including fees		(197)		(300)
Balance at end of period		4,962	5,377	4,962		5,377
Xerox Shareholders’ Equity | Series B Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[3]	(3)	(3)	(7)		(7)
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		230	255	232		255
Cancellation of treasury stock		(5)		(7)
Balance at end of period		225	255	225		255
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		3,282	3,908	3,321		3,893
Stock option and incentive plans, net		6	12	20		27
Cancellation of treasury stock		(164)		(217)
Balance at end of period		3,124	3,920	3,124		3,920
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		(103)	0	(55)		0
Payments to acquire treasury stock, including fees		(197)		(300)
Cancellation of treasury stock		169		224
Balance at end of period		(131)	0	(131)		0
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		5,270	4,927	5,072		4,856
Cumulative effect of change in accounting principle			3	127	[4]	120
Comprehensive income (loss), net		181	112	314		135
Cash dividends declared - common	[1]	(57)	(65)	(115)		(130)
Balance at end of period		5,391	4,974	5,391		4,974
Retained Earnings | Series B Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared - preferred	[3]	(3)	(3)	(7)		(7)
AOCL
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	[5]	(3,652)	(3,537)	(3,565)		(3,748)
Cumulative effect of change in accounting principle	[4],[5]			(127)
Comprehensive income (loss), net	[5]	5	(235)	45		(24)
Balance at end of period	[5]	(3,647)	(3,772)	(3,647)		(3,772)
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period		36	29	34		37
Comprehensive income (loss), net		3	2	6		5
Distributions to noncontrolling interests		(9)		10		11
Balance at end of period		$ 30	$ 31	$ 30		$ 31

[1] Cash dividends declared on common stock for the three and six months ended June 30, 2019 and 2018 were $0.25 per share and $0.50 per share, respectively.

[2] Includes associated fees.

[3] Cash dividends declared on preferred stock for the three and six months ended June 30, 2019 and 2018 were $20.00 per share and $40.00 per share, respectively.

[4] Refer to Note 2 - Recent Accounting Pronouncements - Income Taxes, for additional information related to the adoption of ASU 2018-02.

[5] Refer to Note 19 - Other Comprehensive Income (Loss) for the components of AOCL.