PENSION BENEFITS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Percentage of fixed income assets to total Pension Plan assets			50.00%
United States, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 35,000,000	$ 43,000,000	$ 70,000,000	$ 86,000,000
Interest cost	144,000,000	146,000,000	287,000,000	293,000,000
Expected return on plan assets	(357,000,000)	(315,000,000)	(714,000,000)	(630,000,000)
Amortization of prior service (credit)	(11,000,000)	(11,000,000)	(22,000,000)	(22,000,000)
Net periodic benefit (income)	(189,000,000)	(137,000,000)	(379,000,000)	(273,000,000)
Non-US, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	7,000,000	10,000,000	14,000,000	19,000,000
Interest cost	36,000,000	37,000,000	73,000,000	72,000,000
Expected return on plan assets	(114,000,000)	(102,000,000)	(228,000,000)	(201,000,000)
Amortization of prior service (credit)	0	0	(1,000,000)	0
Net periodic benefit (income)	$ (71,000,000)	$ (55,000,000)	$ (142,000,000)	$ (110,000,000)