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INCOME TAX - Schedule of tax impact per country (Details) $ in Millions	Dec. 31, 2024 USD ($)
Tax Losses Carried Forward
Tax Losses Carried Forward	$ 258
Valuation Allowance
Valuation Allowance	(40)
United States
Tax Losses Carried Forward
Deferred tax assets, operating loss carryforwards, not subject to expiration	142
Deferred tax assets, operating loss carryforwards, subject to expiration	74
Valuation Allowance
Valuation allowance, tax loss carryforward not subject to expiration	0
Valuation allowance, tax loss carryforward subject to expiration	0
France
Tax Losses Carried Forward
Deferred tax assets, operating loss carryforwards, not subject to expiration	4
Valuation Allowance
Valuation allowance, tax loss carryforward not subject to expiration	(4)
Germany
Tax Losses Carried Forward
Deferred tax assets, operating loss carryforwards, not subject to expiration	12
Valuation Allowance
Valuation allowance, tax loss carryforward not subject to expiration	(12)
Switzerland
Tax Losses Carried Forward
Deferred tax assets, operating loss carryforwards, subject to expiration	15
Valuation Allowance
Valuation allowance, tax loss carryforward subject to expiration	(15)
China
Tax Losses Carried Forward
Deferred tax assets, operating loss carryforwards, subject to expiration	4
Valuation Allowance
Valuation allowance, tax loss carryforward subject to expiration	(4)
Other
Tax Losses Carried Forward
Tax Losses Carried Forward	7
Valuation Allowance
Valuation Allowance	$ (5)

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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-Topic 740
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-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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