Other Comprehensive Loss - AOCL (Details) - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
AOCL [Abstract]
Cumulative translation adjustments		$ (1,781)	$ (2,263)	$ (2,390)
Other unrealized (losses) gains, net		(12)	(13)	1
Benefit plans net actuarial losses and prior service credits	[1]	(1,955)	(2,061)	(2,241)
Total Accumulated Other Comprehensive Loss Attributable to Xerox		$ (3,748)	$ (4,337)	$ (4,630)

[1] Includes our share of Fuji Xerox.