v3.25.2
Commitment and Contingencies (Q2) (Details) - Letter of Credit - USD ($)
$ in Millions
Jun. 30, 2025
May 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Line of Credit Facility [Line Items]        
Maximum borrowing capacity   $ 350 $ 175  
Letters Of Credit - Lease Agreements        
Line of Credit Facility [Line Items]        
Maximum borrowing capacity $ 272   $ 533 $ 174