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Telford Fire Safety Remediation - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Building
Restructuring Cost and Reserve [Line Items]    
Number of buildings scope | Building   80
Number of buildings deemed | Building   79
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 | $ $ 204 $ 192
Current portion of estimated environmental liability | $ $ 102 $ 82