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Telford Fire Safety Remediation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities
Environmental Loss Contingency, Statement Of Financial Position, Extensible Enumeration, Not Disclosed Flag	liability
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]		Other current liabilities
Telford Fire Safety Remediation
Restructuring Cost and Reserve [Line Items]
Estimated environmental liability	$ 206	$ 204
Current portion of estimated environmental liability	$ 116	$ 102

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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