PENSION BENEFITS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
United States, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 47	$ 57	$ 95	$ 114
Interest cost	150	178	300	356
Expected return on plan assets	(306)	(321)	(612)	(641)
Amortization of prior service cost (credit)	(11)	6	(22)	12
Net periodic benefit (income)	(120)	(80)	(239)	(159)
Non-US, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	13	13	25	26
Interest cost	47	45	94	89
Expected return on plan assets	(100)	(89)	(199)	(179)
Amortization of prior service cost (credit)	(1)	(1)	(2)	(1)
Net periodic benefit (income)	$ (41)	$ (32)	$ (82)	$ (65)