DERIVATIVE AND NON-DERIVATIVE FINANCIAL INSTRUMENTS Part 3 (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Sales	$ 2,409	$ 2,241
Cost of sales	1,811	1,664
Net interest expense	50	52
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	30		$ (11)
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]
Change in cumulative translation adjustment, before tax	2	19
Summary of Derivative Instruments [Abstract]
Monetized positions and mark to market in accumulated other comprehensive income before tax	129		270
Price Risk Cash Flow Hedge Unrealized Gain to be Reclassified During Next 12 Months	(17)
Commodity Contract [Member] | Cash Flow Hedging [Member]
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	1	(9)
Commodity Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Pre-tax Amount of Gain (Loss) reclassified From Accumulated Other Comprehensive Income Into Income (Effective Portion) [Abstract]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(1)
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	23	13
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Sales [Member]
Pre-tax Amount of Gain (Loss) reclassified From Accumulated Other Comprehensive Income Into Income (Effective Portion) [Abstract]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(5)	6
Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Amount After Tax of Gain (Loss) Recognized in Other Comprehensive Income On Derivatives, Effective Portion [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	7	1
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Net Interest Expense
Pre-tax Amount of Gain (Loss) reclassified From Accumulated Other Comprehensive Income Into Income (Effective Portion) [Abstract]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(2)	(2)
Interest Rate Contract [Member] | Fair Value Hedging [Member]
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]
Hedged Liability, Discontinued Fair Value Hedge, Cumulative Increase (Decrease)	(4)		$ (5)
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	0	0
Interest Rate Contract [Member] | Fair Value Hedging [Member] | Net Interest Expense
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	0	0
Foreign Exchange [Member] | Net Investment Hedging [Member]
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]
Change in cumulative translation adjustment, before tax	69	33
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	5	7
Cross Currency Interest Rate Contract [Member] | Net Investment Hedging [Member]
Other Comprehensive Income (Loss), Derivatives and Non-derivatives Qualifying as Hedges, before Tax [Abstract]
Change in cumulative translation adjustment, before tax	42	18
AOCI, Derivative Qualifying as Hedge, Excluded Component	$ (11)	$ 41