ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) 3 (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales	$ (8,900,000,000)	$ (7,797,000,000)	$ (7,477,000,000)	$ (8,463,000,000)	$ (9,496,000,000)	$ (9,086,000,000)	$ (9,243,000,000)	$ (8,884,000,000)	$ (32,637,000,000)	$ (36,709,000,000)	$ (41,802,000,000)
Cost of Products and Services Sold									22,169,000,000	24,339,000,000	29,046,000,000
Selling, General and Administrative Expenses									4,772,000,000	5,519,000,000	6,051,000,000
Other (Income) Expense									(675,000,000)	(1,065,000,000)	(1,149,000,000)
Interest and other financial charges									359,000,000	357,000,000	367,000,000
Tax expense (benefit)									1,147,000,000	1,329,000,000	659,000,000
Products [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales									(24,737,000,000)	(27,629,000,000)	(32,848,000,000)
Cost of Products and Services Sold									17,638,000,000	19,269,000,000	23,634,000,000
Services [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales									(7,900,000,000)	(9,080,000,000)	(8,954,000,000)
Cost of Products and Services Sold									4,531,000,000	5,070,000,000	$ 5,412,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales									3,000,000	(3,000,000)
Selling, General and Administrative Expenses									4,000,000	(1,000,000)
Other (Income) Expense									(79,000,000)	(61,000,000)
Interest and other financial charges									(18,000,000)
Total									(144,000,000)	(109,000,000)
Tax expense (benefit)									36,000,000	(59,000,000)
Total reclassifications for the period, net of tax									(108,000,000)	(168,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Products [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Products and Services Sold									(43,000,000)	(35,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Services [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Products and Services Sold									(11,000,000)	(9,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses (gains) on cash flow hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales									3,000,000	(3,000,000)
Selling, General and Administrative Expenses									4,000,000	(1,000,000)
Other (Income) Expense									(28,000,000)	(73,000,000)
Interest and other financial charges									0
Total									(75,000,000)	(121,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses (gains) on cash flow hedges | Products [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Products and Services Sold									(43,000,000)	(35,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses (gains) on cash flow hedges | Services [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Products and Services Sold									(11,000,000)	(9,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses (gains) on excluded component of net investment hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales									0	0
Selling, General and Administrative Expenses									0	0
Other (Income) Expense									0	(19,000,000)
Interest and other financial charges									(18,000,000)
Total									(18,000,000)	(19,000,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses (gains) on excluded component of net investment hedges | Products [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Products and Services Sold									0	0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Losses (gains) on excluded component of net investment hedges | Services [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of Products 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]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product Sales									0	0
Selling, General and Administrative Expenses									0	0
Other (Income) Expense									57,000,000	135,000,000
Interest and other financial charges									0
Total									57,000,000	135,000,000
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 Products 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 Products 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									(108,000,000)	(104,000,000)
Interest and other financial charges									0
Total									(108,000,000)	(104,000,000)
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 Products 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 Products and Services Sold									$ 0	$ 0