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Income Taxes - Operating Loss, Capital Loss and General Business Credit Carryforwards (Detail) $ in Millions	Dec. 31, 2024 USD ($)
U.S. Federal | U.S. Federal
Income Taxes [Line Items]
Net operating loss	$ 576
U.S. States
Income Taxes [Line Items]
Net operating loss	901
Foreign Tax Jurisdiction | Brazil
Income Taxes [Line Items]
Net operating loss	19
Foreign Tax Jurisdiction | Canada
Income Taxes [Line Items]
Net operating loss	7
Capital loss | U.S. Federal and States
Income Taxes [Line Items]
Capital loss	2
Capital loss | Foreign Tax Jurisdiction | Canada
Income Taxes [Line Items]
Capital loss	5
General business credit | U.S. Federal
Income Taxes [Line Items]
Capital loss	$ 4

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- Definition

Income taxes.

+ References

No definition available.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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