Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Other Comprehensive Income (Loss) [Abstract]
Translation Adjustments (Losses) Gains, pre-tax		$ (13)	$ 152	$ (164)	$ 490
Translation Adjustments (Losses) Gains, net of tax	[1]	(13)	154	(159)	491
Changes in fair value of cash flow hedges - losses, pre-tax		(13)	(9)	(3)	(22)
Changes in fair value of cash flow hedges - losses, net of tax		(9)	(7)	(2)	(18)
Changes in cash flow hedges reclassed to earnings, pre-tax	[2]	1	15	13	23
Changes in cash flow hedges reclassed to earnings, net of tax	[2]	(1)	11	9	15
Other gains (losses), pre-tax		1	(2)	(2)	(1)
Other gains (losses), net of tax		1	(2)	(2)	(1)
Net unrealized (losses) gains, pre-tax		(11)	4	8	0
Net unrealized (losses) gains, net of tax	[1]	(9)	2	5	(4)
Net actuarial/prior service gains (losses), pre-tax		53	(50)	89	(59)
Net actuarial/prior service gains (losses), net of tax		44	(31)	71	(37)
Prior service amortization, pre-tax	[3]	(2)	(2)	(7)	(7)
Prior service amortization, net of tax	[3]	(1)	(2)	(5)	(5)
Actuarial loss amortization/settlement, pre-tax	[3]	53	50	146	160
Actuarial loss amortization/settlement, net of tax	[3]	40	35	110	109
Fuji Xerox changes in defined benefit plans, net, pre-tax	[4]	6	6	(18)	27
Fuji Xerox changes in defined benefit plans, net, net of tax	[4]	6	6	(18)	27
Other (losses) gains, pre-tax	[5]	(6)	(49)	33	(138)
Other (losses) gains, net of tax	[5]	(6)	(49)	33	(138)
Changes in defined benefit plans gains (losses), Pre-tax		104	(45)	243	(17)
Changes in defined benefit plans gains (losses), Net of Tax	[1]	83	(41)	191	(44)
Other Comprehensive Income, pre-tax		80	111	87	473
Other Comprehensive Income, net of tax	[1]	61	115	37	443
Less: Other comprehensive income attributable to noncontrolling interests, pre-tax		0	0	0	1
Less: Other comprehensive income attributable to noncontrolling interests, net of tax		0	0	0	1
Other Comprehensive Income Attributable to Xerox, pre-tax		80	111	87	472
Other Comprehensive Income, Attributable to Xerox, net of tax		61	$ 115	37	$ 442
Cumulative translation adjustments		(1,940)		(1,940)		$ (1,781)
Other unrealized losses, net		(7)		(7)		(12)
Benefit plans net actuarial losses and prior service credits	[6]	(1,764)		(1,764)		(1,955)
Total Accumulated other comprehensive loss attributable to Xerox		$ (3,711)		$ (3,711)		$ (3,748)

[1] Refer to Note 17 - Other Comprehensive Income for gross components of Other Comprehensive Income, reclassification adjustments out of Accumulated Other Comprehensive Loss and related tax effects.

[2] Reclassified to Cost of sales - refer to Note 12 - Financial Instruments for additional information regarding our cash flow hedges.

[3] Reclassified to Total Net Periodic Benefit Cost - refer to Note 14 - Employee Benefit Plans for additional information.

[4] Represents our share of Fuji Xerox's benefit plan changes.

[5] Primarily represents currency impact on cumulative amount of benefit plan net actuarial losses and prior service credits in AOCL.

[6] Includes our share of Fuji Xerox.