RESTRUCTURING ACTIVITIES (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	$ 10	$ 9	$ 19	$ 44
Cost of Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	4	4	12	17
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	6	5	7	27
Other Restructuring Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs		8
Voluntary Retirement Program [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs				4
Management Layer Reduction Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs				$ 19