PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Defined Benefit Pension Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 8	$ 7	$ 24	$ 21
Interest cost	41	47	123	141
Expected return on plan assets	(58)	(59)	(174)	(177)
Amortization of prior service cost	2	2	6	6
Amortization of net loss	22	15	66	45
Net periodic benefit cost	15	12	45	36
Other Postretirement Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Interest cost	4	4	12	12
Net periodic benefit cost	$ 4	$ 4	$ 12	$ 12