ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) 3 (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales	$ (9,729,000,000)	$ (10,762,000,000)	$ (10,919,000,000)	$ (10,392,000,000)	$ (10,843,000,000)	$ (10,121,000,000)	$ (10,078,000,000)	$ (9,492,000,000)	$ (41,802,000,000)	$ (40,534,000,000)	$ (39,302,000,000)
Cost Of Goods And Services Sold									29,046,000,000	28,144,000,000	27,677,000,000
Selling, general and administrative expenses									6,051,000,000	6,087,000,000	5,574,000,000
Other (income) expense									(1,149,000,000)	(963,000,000)	(739,000,000)
Tax expense (benefit)									659,000,000	5,362,000,000	1,603,000,000
Products [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									(32,848,000,000)	(32,317,000,000)	(31,362,000,000)
Cost Of Goods And Services Sold									23,634,000,000	23,176,000,000	22,612,000,000
Services [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									(8,954,000,000)	(8,217,000,000)	(7,940,000,000)
Cost Of Goods And Services Sold									5,412,000,000	4,968,000,000	$ 5,065,000,000
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									10,000,000	(15,000,000)
Selling, general and administrative expenses									2,000,000	(28,000,000)
Other (income) expense									(99,000,000)	31,000,000
Total before tax									(51,000,000)	(38,000,000)
Tax expense (benefit)									10,000,000	10,000,000
Total reclassification for the period, net of tax									(41,000,000)	(28,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Products [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									30,000,000	(22,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Services [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									6,000,000	(4,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | (Gains) losses on cash flow hedges
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									10,000,000	(15,000,000)
Selling, general and administrative expenses									2,000,000	(28,000,000)
Other (income) expense									(47,000,000)	0
Total before tax									1,000,000	(69,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | (Gains) losses on cash flow hedges | Products [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									30,000,000	(22,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | (Gains) losses on cash flow hedges | Services [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									6,000,000	(4,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Actuarial losses recognized [Member] | Amortization of Pension and Other Postretirement Items [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									0	0
Selling, general and administrative expenses									0	0
Other (income) expense									45,000,000	110,000,000
Total before tax									45,000,000	110,000,000
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Actuarial losses recognized [Member] | Amortization of Pension and Other Postretirement Items [Member] | Products [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									0	0
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Actuarial losses recognized [Member] | Amortization of Pension and Other Postretirement Items [Member] | Services [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									0	0
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Prior service (credit) recognized [Member] | Amortization of Pension and Other Postretirement Items [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									0	0
Selling, general and administrative expenses									0	0
Other (income) expense									(99,000,000)	(103,000,000)
Total before tax									(99,000,000)	(103,000,000)
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Prior service (credit) recognized [Member] | Amortization of Pension and Other Postretirement Items [Member] | Products [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									0	0
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Prior service (credit) recognized [Member] | Amortization of Pension and Other Postretirement Items [Member] | Services [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									0	0
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Settlements and curtailments [Member] | Amortization of Pension and Other Postretirement Items [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Product sales									0	0
Selling, general and administrative expenses									0	0
Other (income) expense									2,000,000	24,000,000
Total before tax									2,000,000	24,000,000
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Settlements and curtailments [Member] | Amortization of Pension and Other Postretirement Items [Member] | Products [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									0	0
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Settlements and curtailments [Member] | Amortization of Pension and Other Postretirement Items [Member] | Services [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Cost Of Goods And Services Sold									$ 0	$ 0