RETIREMENT PLANS (Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans) (Details) - U.S. Plans - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 40	$ 35	$ 120	$ 108
Interest cost	149	150	448	450
Expected return on plan assets	(196)	(190)	(588)	(571)
Actuarial loss	107	94	322	280
Amortization of prior service cost	11	7	33	23
Defined benefit plan, recognized net gain (loss) due to settlements	15	0	15	0
Net periodic benefit expense	$ 126	$ 96	$ 350	$ 290