PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Net Periodic Benefit Cost and Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income for All Significant Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 463	[1]	$ 484	$ 411
Interest cost	846	[1]	975	1,096
Expected return on plan assets	(1,447)	[1]	(1,382)	(1,322)
Amortization of prior service cost (credit)	(24)	[1]	(28)	22
Amortization of unrecognized (gain) loss	587	[1]	706	500
Curtailment/settlement/other	(36)	[1],[2]	0	(2)	[2]
Net periodic benefit cost	389	[1]	755	705
Net (gain) loss	1,954		(127)	3,528
Prior service cost (credit) arising during period	0		63	(500)
Amortization of prior service (cost) credit	24		28	(22)
Amortization of unrecognized gain (loss)	(587)		(706)	(498)
Total recognized in other comprehensive (income) loss	1,391		(742)	2,508
Total recognized in net periodic benefit cost and other comprehensive (income) loss	1,780		13	3,213
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	13	[1]	14	14
Interest cost	52	[1]	59	72
Expected return on plan assets	0	[1]	0	0
Amortization of prior service cost (credit)	(3)	[1]	(2)	(2)
Amortization of unrecognized (gain) loss	(7)	[1]	(11)	(14)
Curtailment/settlement/other	0	[1]	0	0
Net periodic benefit cost	55	[1]	60	70
Net (gain) loss	14		11	63
Prior service cost (credit) arising during period	0		0	0
Amortization of prior service (cost) credit	3		2	2
Amortization of unrecognized gain (loss)	7		11	14
Total recognized in other comprehensive (income) loss	24		24	79
Total recognized in net periodic benefit cost and other comprehensive (income) loss	79		$ 84	$ 149
Dow Corning Corporation [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost	26
Dow Corning Corporation [Member] | Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost	$ 8

[1] Includes net periodic benefit costs of $26 million for defined benefit pension plans and $8 million of other postretirement benefits for plans assumed from Dow Corning.

[2] The 2016 impact relates to the curtailment of benefits for certain participants of a Dow Corning plan in the U.S. The 2014 impact relates to settlements associated with the wind-up of a pension plan in The Netherlands and a pension plan in Canada.