PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (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
Defined Benefit Pension Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 8	$ 8	$ 16	$ 16
Interest cost	46	41	92	82
Expected return on plan assets	(58)	(58)	(116)	(116)
Amortization of prior service cost	1	2	2	4
Amortization of net (gain) loss	17	22	34	44
Net periodic benefit cost	14	15	28	30
Other Postretirement Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Interest cost	3	4	6	8
Amortization of net (gain) loss	(2)	0	(4)	0
Net periodic benefit cost	$ 1	$ 4	$ 2	$ 8