Represents the change in stock price of the entity's shares that would result in the specified impact on earnings.

No definition available.

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- Definition

Aggregate notional amount of derivative expressed in number of shares.

+ References

No definition available.

+ Details

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- Definition

Represents the number of methods through which the entity manages commodity price risk.

+ References

No definition available.

+ Details

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- Definition

Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480870/815-30-50-1

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- Definition

Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
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-Subparagraph (b)
-SubTopic 20
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-1A

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- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) recognized in earnings from excluded component of derivative hedge.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4D

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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- Definition

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount, after tax, of cumulative translation adjustment attributable to gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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Financial Instruments and Risk Management - General (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2024 USD ($) approach	Sep. 30, 2024 USD ($) approach $ / shares shares	Jul. 31, 2024 USD ($)
Financial Instruments and Risk Management
Net loss remainder in AOCI	$ 15	$ 15
Interest expense	$ 2	$ 2
Derivative, Excluded Component, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense, Debt	Interest Expense, Debt
Commodity contracts
Financial Instruments and Risk Management
Number of methods through which entity manages commodity price risk in connection with market price fluctuations of aluminum ingot \| approach	2	2
Notional amount of contracts	$ 1,088	$ 1,088
Net gain (loss) included in AOCI, after-tax	$ (2)	(2)
Net gain (loss) included in AOCI, after-tax, expected to be recognized in net earnings within the next 12 months		$ (2)
Commodity contracts \| Cash Flow Hedging
Financial Instruments and Risk Management
Longest duration of forecasted cash flow hedge transactions in years	1 year	1 year
Currency
Financial Instruments and Risk Management
Notional amount of contracts	$ 2,613	$ 2,613
Net gain (loss) included in AOCI, after-tax	$ (1)	(1)
Net gain (loss) included in AOCI, after-tax, expected to be recognized in net earnings within the next 12 months		$ 8
Currency \| Cash Flow Hedging
Financial Instruments and Risk Management
Longest duration of forecasted cash flow hedge transactions in years	1 year	1 year
Interest Rate
Financial Instruments and Risk Management
Notional amount of contracts	$ 600	$ 600
Net gain (loss) included in AOCI, after-tax, expected to be recognized in net earnings within the next 12 months		$ 2
Interest Rate \| First quarter of 2027
Financial Instruments and Risk Management
Notional amount of contracts			$ 250
Interest Rate \| Second quarter of 2029
Financial Instruments and Risk Management
Notional amount of contracts			$ 600
Interest Rate \| Cash Flow Hedging
Financial Instruments and Risk Management
Longest duration of forecasted cash flow hedge transactions in years	3 years	3 years
Equity contracts
Financial Instruments and Risk Management
Combined notional value (in shares) \| shares		1.4
Change in company's stock price (in dollars per share) \| $ / shares		$ 1