OTHER COMPREHENSIVE INCOME Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense)/benefit		$ (102)	$ (67)	$ (201)	$ (161)
Total reclassifications for the period		(173)	(48)	(210)	(105)
Prior-service costs | Net periodic defined benefits expense (reversal of expense), excluding service cost component
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	[1]	(6)	(5)	(12)	(10)
Actuarial gains (losses) | Net periodic defined benefits expense (reversal of expense), excluding service cost component
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	[1]	(42)	(47)	(82)	(103)
Accumulated defined benefit plans adjustment including portion attributable to noncontrolling interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax		(48)	(52)	(94)	(113)
Tax (expense)/benefit		11	13	23	28
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(37)	(39)	(71)	(85)
Accumulated foreign currency adjustment including portion attributable to noncontrolling interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense)/benefit		0	0	0	0
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(140)	0	(140)	0
Accumulated foreign currency adjustment including portion attributable to noncontrolling interest | Net (gains) losses on sales and impairments of businesses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax		(140)	0	(140)	0
Accumulated net gain (loss) from cash flow hedges including portion attributable to noncontrolling interest
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax		6	(14)	2	(31)
Tax (expense)/benefit		(2)	5	(1)	11
Accumulated net gain (loss) from cash flow hedges including portion attributable to noncontrolling interest | Cost of Products Sold | Foreign Exchange Contract
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from accumulated other comprehensive income, current period, before tax	[2]	6	(14)	2	(31)
Net Gains and Losses on Cash Flow Hedging Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		4	(9)	1	(20)
Total reclassifications for the period		$ 4	$ (9)	$ 1	$ (20)

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 19 for additional details).

[2] This accumulated other comprehensive income component is included in our derivatives and hedging activities (see Note 18 for additional details).