v3.25.2
Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Sep. 24, 2024
Sep. 01, 2024
Aug. 31, 2024
Feb. 28, 2023
Jun. 30, 2022
Feb. 23, 2022
Nov. 24, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Restricted cash $ 724,000,000 $ 864,000,000                
Realized gains (losses) on derivatives 16,000,000 (15,000,000) $ 200,000              
Silicon Carbide                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Restricted cash 720,000,000 858,000,000                
Other Entities                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Restricted cash 4,000,000 5,000,000                
Interest Rate Swap                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Notional amount             $ 825,000,000 $ 825,000,000   $ 1,075,000,000
Fixed interest rate             1.42%     1.52%
Floor interest rate       0.10%     0.00%      
Derivative asset   $ 8,000,000                
Derivative asset, statement of financial position   Other assets, Prepaid and other current assets                
Interest Rate Cap                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Notional amount         $ 1,500,000,000 $ 500,000,000        
Fixed interest rate                 0.853%  
Derivative asset $ 17,000,000 $ 50,000,000                
Derivative asset, statement of financial position Other assets, Prepaid and other current assets Other assets, Prepaid and other current assets                
SOFR percentage of derivative                 1.92%  
Interest Rate Cap | Minimum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Notional amount                 $ 500,000,000  
Interest Rate Cap | Maximum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Notional amount                 $ 1,500,000,000