DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Gains and Losses on Hedging Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), net investment hedge, gain (loss), before reclassification and tax	$ 60	$ (103)
Other comprehensive income (loss), cash flow hedge and net investment hedge, gain (loss), before reclassification, tax	66	(78)	$ 150	$ (247)
Other comprehensive income (loss), reclassification adjustment from AOCI, cash flow hedges and net investment hedges, net of tax	(6)	(2)	(27)	2
Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), net investment hedge, gain (loss), before reclassification and tax	0	0	0	0
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), net investment hedge, gain (loss), before reclassification and tax			143	(104)
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification, tax	0	31
Interest rate contracts | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	(1)	0
Interest rate contracts | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification, tax			0	(144)
Interest rate contracts | Cash Flow Hedging | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax			(4)	0
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification, tax	6	(6)
Foreign exchange contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax	(5)	(2)
Foreign exchange contracts | Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income, undesignated derivative instruments	$ (7)	$ 7	(26)	22
Foreign exchange contracts | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification, tax			7	1
Foreign exchange contracts | Cash Flow Hedging | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax			$ (23)	$ 2