PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Estimated Future Benefit Payments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Defined Benefit Pension Plans [Member]
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2014	$ 1,263
2015	1,280
2016	1,305
2017	1,333
2018	1,378
2019 through 2023	7,401
Total	13,960
Other Postretirement Benefits [Member]
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
2014	160
2015	157
2016	152
2017	145
2018	141
2019 through 2023	636
Total	$ 1,391