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		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 36	$ 41	$ 73	$ 80
Interest cost	158	150	314	299
Expected return on plan assets	(206)	(196)	(412)	(392)
Actuarial loss	96	96	190	215
Amortization of prior service cost	10	11	20	22
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements	439	0	439	0
Net periodic benefit expense	$ 533	$ 102	$ 624	$ 224