PENSION AND POSTRETIREMENT BENEFIT PLANS (Changes in Defined Benefit and Postretirement Benefit Plan Assets and Obligations) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of plan assets at beginning of year	$ 6,015
Fair value of plan assets at end of year	6,162	$ 6,015
Accrued liabilities	(44)	(47)
Accumulated benefit obligation	6,381	6,363
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets [Abstract]
Pension plans with projected benefit obligations in excess of plan assets, Projected benefit obligation	6,195	5,310
Pension plans with projected benefit obligations in excess of plan assets, Fair value of plan assets	5,559	4,508
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Pension plans with accumulated benefit obligations in excess of plan assets, Accumulated benefit obligation	5,978	5,156
Pension plans with accumulated benefit obligations in excess of plan assets, Fair value of plan assets	5,380	4,386
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation
Benefit obligations at the beginning of year	6,418	7,068
Service cost - benefits earned during the year	24	25	$ 34
Interest cost on projected benefit obligation	192	242	305
Settlements	(173)	(336)
Actuarial (gains)/losses	253	(321)
Benefits paid	(109)	(105)
Foreign currency and other	(165)	(155)
Benefit obligations at the end of the year	6,440	6,418	7,068
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of plan assets at beginning of year	5,687	6,148
Actual return on plan assets	513	(5)
Employer contributions	81	118
Settlements	(173)	(336)
Benefits paid	(109)	(105)
Exchange rate losses	(168)	(133)
Fair value of plan assets at end of year	5,831	5,687	$ 6,148
Funded Status	(609)	(731)
Other assets	26	71
Accrued liabilities	(35)	(37)
Pension and other liabilities	(600)	(765)
Net actuarial (gains)/losses	3,123	3,140
Prior service credit	(39)	(39)
Total recognized in other comprehensive loss, pre-tax	3,084	3,101
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation
Benefit obligations at the beginning of year	355
Benefit obligations at the end of the year	308	355
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair value of plan assets at beginning of year	328
Fair value of plan assets at end of year	$ 331	$ 328