RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - OBLIGATIONS AND FUNDED STATUS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Amounts recognized in the consolidated balance sheet:
Deferred credits and other liabilities - pension and postretirement obligations	$ (1,005)	$ (963)
AOCI included the following after-tax balances:
AOCI after-tax balances	251	243
Pension Benefits
Amounts recognized in the consolidated balance sheet:
Other assets	82	61
Accrued liabilities	(5)	(3)
Deferred credits and other liabilities - pension and postretirement obligations	(65)	(71)
Amounts recognized in the consolidated balance sheet, total	12	(13)
AOCI included the following after-tax balances:
Net loss	59	76
AOCI after-tax balances	59	76
Changes in the benefit obligation:
Benefit obligation - beginning of year	399	411
Service cost - benefits earned during the period	6	7	$ 7
Interest cost on projected benefit obligation	17	18	18
Actuarial (gain) loss	14	(1)
Foreign currency exchange rate (gain) loss		1
Liability (gain) loss due to curtailment	(2)
Special termination benefits	1
Benefits paid	(44)	(37)
Benefit obligation - end of year	391	399	411
Changes in plan assets:
Fair value of plan assets - beginning of year	386	384
Actual return on plan assets	52	34
Employer contributions	9	5
Benefits paid	(44)	(37)
Fair value of plan assets - end of year	403	386	384
Funded/(Unfunded) status:	12	(13)
Pension plans with Accumulated Benefit Obligations in Excess of Plan Assets
Pension plans with Accumulated Benefit Obligations in Excess of Plan Assets, Projected Benefit Obligation	287	193
Pension plans with Accumulated Benefit Obligations in Excess of Plan Assets, Accumulated Benefit Obligation	283	189
Pension plans with Accumulated Benefit Obligations in Excess of Plan Assets, Fair Value of Plan Assets	312	119
Pension plans with Plan Assets in Excess of Accumulated Benefit Obligations
Pension plans with Plan Assets in Excess of Accumulated Benefit Obligations, Projected Benefit Obligation	104	206
Pension plans with Plan Assets in Excess of Accumulated Benefit Obligations, Accumulated Benefit Obligation	104	206
Pension plans with Plan Assets in Excess of Accumulated Benefit Obligations, Fair Value of Plan Assets	91	267
Postretirement Benefits
Amounts recognized in the consolidated balance sheet:
Accrued liabilities	(59)	(58)
Deferred credits and other liabilities - pension and postretirement obligations	(940)	(892)
Amounts recognized in the consolidated balance sheet, total	(999)	(950)
AOCI included the following after-tax balances:
Net loss	192	169
Prior service cost	1	1
AOCI after-tax balances	193	170
Changes in the benefit obligation:
Benefit obligation - beginning of year	950	979
Service cost - benefits earned during the period	21	20	26
Interest cost on projected benefit obligation	38	39	40
Actuarial (gain) loss	61	(28)
Liability (gain) loss due to curtailment	(9)
Benefits paid	(62)	(60)
Benefit obligation - end of year	999	950	$ 979
Changes in plan assets:
Funded/(Unfunded) status:	$ (999)	$ (950)