RESTRUCTURING ACTIVITIES (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 9	$ (35)
Cost of Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	8	13
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	1	22
Other Restructuring Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs	8
Management Layer Reduction Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs		18
Voluntary Retirement Program [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs		$ 3