Disposal Group, Including Discontinued Operation, Equity Interest Disposed, Percentage

No definition available.

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- Definition

Disposal Group, Including Discontinued Operation, Equity Interest, Issued, Number Of Shares

+ References

No definition available.

+ Details

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- Definition

Spin-Off Transaction Costs

+ References

No definition available.

+ Details

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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.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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Organization and basis of presentation (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) segment shares	Jun. 30, 2024 USD ($)	Jun. 23, 2025 shares
Business Combination [Line Items]
Number of reportable segments \| segment			2
Common stock, outstanding (in shares)	553,082,069		553,082,069
Treasury stock (in shares)	13,793,444		13,793,444		13,793,444
Various transaction costs \| $	$ 6	$ 5	$ 11	$ 10
Holcim Ltd
Business Combination [Line Items]
Common stock, outstanding (in shares)					566,875,513
Holcim Ltd \| Amrize Ltd \| Discontinued Operations, Disposed of by Means Other than Sale, Spinoff
Business Combination [Line Items]
Equity interest disposed					100.00%
Number of shares issued					553,082,069