PENSION BENEFITS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
United States, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 43,000,000	$ 47,000,000	$ 86,000,000	$ 95,000,000
Interest cost	146,000,000	150,000,000	293,000,000	300,000,000
Expected return on plan assets	(315,000,000)	(306,000,000)	(630,000,000)	(612,000,000)
Amortization of prior service (credit)	(11,000,000)	(11,000,000)	(22,000,000)	(22,000,000)
Net periodic benefit (income)	(137,000,000)	(120,000,000)	(273,000,000)	(239,000,000)
Non-US, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	10,000,000	13,000,000	19,000,000	25,000,000
Interest cost	37,000,000	47,000,000	72,000,000	94,000,000
Expected return on plan assets	(102,000,000)	(100,000,000)	(201,000,000)	(199,000,000)
Amortization of prior service (credit)	0	(1,000,000)	0	(2,000,000)
Net periodic benefit (income)	$ (55,000,000)	$ (41,000,000)	$ (110,000,000)	$ (82,000,000)