PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Mar. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Defined Benefit Pension Plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 117	$ 95	$ 235	$ 190
Interest cost	252	274	505	548
Expected return on plan assets	(311)	(316)	(623)	(632)
Amortization of prior service cost	6	6	12	13
Amortization of net loss	197	130	394	260
Net periodic benefit cost	261	189	523	379
Other Postretirement Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	5	4	10	8
Interest cost	20	23	40	46
Amortization of prior service cost	(1)	(1)	(2)	(2)
Net periodic benefit cost	$ 24	$ 26	$ 48	$ 52