FINANCIAL INSTRUMENTS - Narrative (Details) € in Millions, $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2025 EUR (€)	Sep. 30, 2024 EUR (€)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Sep. 30, 2019 EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]
Collateral already posted, aggregate fair value | $			$ 0
Collateral held from counterparties | $			0
Level 2
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of long-term debt | $			7,600
Fair value of long-term debt compared with carrying value | $			$ 694
Senior Notes
Derivative Instruments, Gain (Loss) [Line Items]
Debt, face amount | €					€ 1,500
Repayments of debt | €		€ 500
Senior Notes | 1.25% Due 2025
Derivative Instruments, Gain (Loss) [Line Items]
Notes interest rate, percentage			1.25%	1.25%
Repayments of debt | €	€ 500
Senior Notes | 3.0% Due March 2031
Derivative Instruments, Gain (Loss) [Line Items]
Debt, face amount | €				€ 500
Notes interest rate, percentage			3.00%	3.00%
Senior Notes | 3.5% Due March 2037
Derivative Instruments, Gain (Loss) [Line Items]
Debt, face amount | €				€ 500
Notes interest rate, percentage			3.50%	3.50%
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of foreign currency hedge positions | $			$ 4,200