Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		3 Months Ended					6 Months Ended				12 Months Ended
		Jun. 30, 2017		Mar. 31, 2017	Jun. 30, 2016		Jun. 30, 2017		Jun. 30, 2016		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Comprehensive Income (Loss) [Abstract]
Translation Adjustments Gains (Losses), pre-tax		$ 204			$ (80)		$ 338		$ 111
Translation Adjustments Gains (Losses), net of tax		204	[1]	$ 133	(82)	[1]	337	[1]	107	[1]	$ (347)	$ (651)	$ (728)
Changes in fair value of cash flow hedges - (losses) gains, pre-tax		(22)			41		(13)		57
Changes in fair value of cash flow hedges - (losses) gains, net of tax		(17)			30		(11)		39
Changes in cash flow hedges reclassed to earnings, pre-tax	[2]	4			(8)		8		(7)
Changes in cash flow hedges reclassed to earnings, net of tax	[2]	2			(5)		4		(5)
Other gains (losses), pre-tax		1			(1)		1		(1)
Other gains (losses), net of tax		1			(1)		1		(1)
Net Unrealized (Losses) Gains, pre-tax		(17)			32		(4)		49
Net Unrealized (Losses) Gains, net of tax	[1]	(14)			24		(6)		33
Net actuarial losses, pre-tax		(1)			(100)		(9)		(223)
Net actuarial losses, net of tax		(1)			(62)		(6)		(138)
Prior service amortization, pre-tax	[3]	(3)			(3)		(5)		(5)
Prior service amortization, net of tax	[3]	(2)			(2)		(3)		(3)
Actuarial loss amortization/settlement, pre-tax	[3]	44			41		110		93
Actuarial loss amortization/settlement, net of tax	[3]	30			28		74		63
Fuji Xerox changes in defined benefit plans, net, pre-tax	[4]	8			(25)		21		(100)
Fuji Xerox changes in defined benefit plans, net, net of tax	[4]	8			(25)		21		(100)
Other (losses) gains, pre-tax	[5]	(64)			81		(89)		86
Other (losses) gains, net of tax	[5]	(64)			81		(89)		86
Change in Defined Benefit Plans (Losses) Gains, Pre-tax		(16)			(6)		28		(149)
Change in Defined Benefit Plans (Losses) Gains, Net of Tax	[1]	(29)			20		(3)		(92)
Other Comprehensive Income (loss), pre-tax		171			(54)		362		11
Other Comprehensive Income (loss), net of tax		161	[1]	167	(38)	[1]	328	[1]	48	[1]	(236)	(475)	(1,375)
Other comprehensive (loss) income attributable to noncontrolling interest, pre-tax		0			(1)		1		(1)
Other comprehensive (loss) income attributable to noncontrolling interest, net of tax		0			(1)		1		(1)
Other Comprehensive Income (Loss) Attributable to Xerox, pre-tax		171			(53)		361		12
Other Comprehensive Income (Loss), Attributable to Xerox, net of tax		161		166	$ (37)		327		$ 49		(233)	(474)	$ (1,374)
Cumulative translation adjustments		(1,927)					(1,927)				(2,263)
Other unrealized losses, net		(19)					(19)				(13)
Benefit plans net actuarial losses and prior service credits	[6]	(2,064)					(2,064)				(2,061)
Total Accumulated Other Comprehensive Loss Attributable to Xerox		$ (4,010)		$ (4,171)			$ (4,010)				$ (4,337)	$ (4,630)

[1] Refer to Note 16 - Other Comprehensive Income (Loss) for gross components of Other Comprehensive Income (Loss), 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.