PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Pension Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 7	$ 8	$ 23	$ 24
Interest cost	46	41	138	123
Expected return on plan assets	(58)	(58)	(174)	(174)
Amortization of prior service cost	1	2	3	6
Amortization of net (gain) loss	17	22	51	66
Net periodic benefit cost	13	15	41	45
Other Postretirement Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Interest cost	3	4	9	12
Amortization of net (gain) loss	(2)	0	(6)	0
Net periodic benefit cost	$ 1	$ 4	$ 3	$ 12