Income Tax - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Income Tax Disclosure [Abstract]
Tax loss carryforwards, tax credits and other tax attributes	$ 830	$ 773
Less unrecognized tax benefits	(66)	(19)
Tax loss carryforwards, tax credits and other tax attributes, net of unrecognized tax benefits	764	754
Inventory valuation	92	59
Fixed asset depreciation	79	57
Depreciation tax incentives	11	22
Receivables for government funding	239	186
Tax credits granted on capital investments	239	234
Pension	68	66
Stock awards	15	16
Operating lease liabilities	68	59
Commercial accruals	59	45
Other temporary differences	53	36
Total deferred tax assets	1,687	1,534
Valuation allowances	(775)	(699)
Deferred tax assets, net	912	835
Accelerated fixed asset depreciation	(76)	(53)
Acquired intangible assets	(33)	(26)
Advances of government funding	(323)	(237)
Operating lease right-of-use assets	(67)	(59)
Other temporary differences	(65)	(43)
Total deferred tax liabilities	(564)	(418)
Net deferred income tax asset	$ 348	$ 417

Deferred tax assets increased depreciation incentives.

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Deferred tax assets, operating lease liabilities.

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Deferred tax liabilities, operating lease right-of-use assets.

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Defferred Tax Assets, Operating Loss Carryforwards, Tax Credits And Other Tax Attributes

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Unrecognized tax benefits against existing net operating losses.

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Unrecognized tax benefits resulting in net operating losses carryforward.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences classified as other.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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