FINANCIAL INSTRUMENTS - Schedule of notional amounts of outstanding derivatives (Details) $ in Millions	Jun. 30, 2025 USD ($)
Less than 1 year \| USD \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 287
Less than 1 year \| USD \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	83
Less than 1 year \| CHF \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	44
Less than 1 year \| CHF \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	96
Less than 1 year \| CZK \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	4
Less than 1 year \| CZK \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	53
Less than 1 year \| Other currencies \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	12
Less than 1 year \| Other currencies \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	6
Less than 1 year \| Metal \| Derivatives that do not qualify for hedge accounting
Derivatives, Fair Value [Line Items]
Derivative, notional amount	297
Less than 1 year \| Natural gas \| Derivatives that do not qualify for hedge accounting
Derivatives, Fair Value [Line Items]
Derivative, notional amount	6
Over 1 year \| USD \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	455
Over 1 year \| USD \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	13
Over 1 year \| CHF \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	7
Over 1 year \| CHF \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	44
Over 1 year \| CZK \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	0
Over 1 year \| CZK \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	37
Over 1 year \| Other currencies \| Sold currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	2
Over 1 year \| Other currencies \| Purchased currencies
Derivatives, Fair Value [Line Items]
Derivative, notional amount	0
Over 1 year \| Metal \| Derivatives that do not qualify for hedge accounting
Derivatives, Fair Value [Line Items]
Derivative, notional amount	115
Over 1 year \| Natural gas \| Derivatives that do not qualify for hedge accounting
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 28

Less than 1 year | USD | Sold currencies