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Segment Information Narrative (Details)
$ in Millions
3 Months Ended
Sep. 30, 2024
USD ($)
segment
Segments
Sep. 30, 2023
USD ($)
Segment Reporting Information [Line Items]    
Number of Reportable Segments | segment 2  
Project Costs On Investment And Other Spending $ 12 $ 6
GMPD    
Segment Reporting Information [Line Items]    
Goodwill impairment   $ 585
Other Operating Segment    
Segment Reporting Information [Line Items]    
Number of operating segments | Segments 3