FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Effect of Derivatives Instruments on Statements of Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
SG&A
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	$ 0	$ 0	$ 0	$ 0
Effects of net investment hedges	0	0	0	0
Effects of fair value hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	2	(2)	7	5
SG&A | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	0	0	0	0
SG&A | Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
SG&A | Foreign currency forward and options contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
SG&A | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
SG&A | Debt basis adjustment on Long-term borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
SG&A | Other derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Effects of derivatives not designated as hedging instruments	2	(2)	7	5
Interest and other financial charges – net
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	0	0	0	0
Effects of net investment hedges	11	9	32	26
Effects of fair value hedges	(7)	0	(21)	0
Effects of derivatives not designated as hedging instruments	0	0	0	0
Interest and other financial charges – net | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	0	0	0	0
Interest and other financial charges – net | Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	7	8	24	25
Interest and other financial charges – net | Foreign currency forward and options contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	4	1	8	1
Interest and other financial charges – net | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	76	0	11	0
Interest and other financial charges – net | Debt basis adjustment on Long-term borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	(84)	0	(31)	0
Interest and other financial charges – net | Other derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Effects of derivatives not designated as hedging instruments	0	0	0	0
Other
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	0	0	0	0
Effects of net investment hedges	0	1	0	1
Effects of fair value hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	5	14	28	46
Other | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	0	4	0	10
Other | Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
Other | Foreign currency forward and options contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	1	0	1
Other | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
Other | Debt basis adjustment on Long-term borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
Other | Other derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Effects of derivatives not designated as hedging instruments	5	10	28	36
Interest expense | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	(7)		(21)
Product | Cost of revenue
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	3	(5)	3	18
Effects of net investment hedges	0	0	0	0
Effects of fair value hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	28	(38)	21	(28)
Product | Cost of revenue | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	3	(5)	3	18
Effects of derivatives not designated as hedging instruments	28	(38)	21	(28)
Product | Cost of revenue | Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
Product | Cost of revenue | Foreign currency forward and options contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
Product | Cost of revenue | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
Product | Cost of revenue | Debt basis adjustment on Long-term borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
Product | Cost of revenue | Other derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Effects of derivatives not designated as hedging instruments	0	0	0	0
Service | Cost of revenue
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	1	(1)	1	4
Effects of net investment hedges	0	0	0	0
Effects of fair value hedges	0	0	0	0
Effects of derivatives not designated as hedging instruments	7	(9)	5	(6)
Service | Cost of revenue | Foreign currency forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of cash flow hedges	1	(1)	1	4
Effects of derivatives not designated as hedging instruments	7	(9)	5	(6)
Service | Cost of revenue | Cross-currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
Service | Cost of revenue | Foreign currency forward and options contracts
Derivative Instruments, Gain (Loss) [Line Items]
Effects of net investment hedges	0	0	0	0
Service | Cost of revenue | Interest rate swaps
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
Service | Cost of revenue | Debt basis adjustment on Long-term borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Effects of fair value hedges	0	0	0	0
Service | Cost of revenue | Other derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Effects of derivatives not designated as hedging instruments	$ 0	$ 0	$ 0	$ 0