EMPLOYEE BENEFIT PLANS, Reconciliation of Pension Plan Investments Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details) (Pension Benefits [Member], USD $) In Millions, unless otherwise specified												12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Real estate partnerships interests [Member]	Dec. 31, 2010 Real estate partnerships interests [Member]	Dec. 31, 2011 Private equity partnership interests [Member]		Dec. 31, 2010 Private equity partnership interests [Member]		Dec. 31, 2011 Insurance contracts [Member]	Dec. 31, 2010 Insurance contracts [Member]	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2010 Significant Unobservable Inputs (Level 3) [Member]	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) [Member] Real estate partnerships interests [Member]	Dec. 31, 2010 Significant Unobservable Inputs (Level 3) [Member] Real estate partnerships interests [Member]	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) [Member] Private equity partnership interests [Member]		Dec. 31, 2010 Significant Unobservable Inputs (Level 3) [Member] Private equity partnership interests [Member]		Dec. 31, 2011 Significant Unobservable Inputs (Level 3) [Member] Insurance contracts [Member]	Dec. 31, 2010 Significant Unobservable Inputs (Level 3) [Member] Insurance contracts [Member]
Change in plan assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 257	$ 285	$ 260	$ 14	$ 13	$ 2	[1]	$ 2	[1]	$ 1	$ 1	$ 16	$ 27	$ 13	$ 23	$ 2	[1]	$ 3		$ 1	$ 1
Actual return on plan assets [Abstract]
Assets held at the reporting date												2	3	2	3	0		0		0	0
Assets sold during the period												0	(1)	0	(1)	0		0		0	0
Purchases, sales and settlements												(1)	(13)	(1)	(12)	0		(1)		0	0
Fair value of plan assets at end of year	$ 257	$ 285	$ 260	$ 14	$ 13	$ 2	[1]	$ 2	[1]	$ 1	$ 1	$ 17	$ 16	$ 14	$ 13	$ 2	[1]	$ 2	[1]	$ 1	$ 1

[1] This category represents private equity funds that invest principally in U.S technology companies