RETIREMENT PLANS (Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans) (Details) (United States Pension Plans of US Entity, Defined Benefit [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 38	$ 48
Interest cost	153	144
Expected return on plan assets	(189)	(182)
Actuarial loss	80	122
Amortization of prior service cost	8	8
Net periodic benefit expense	$ 90	$ 140