v3.26.1
Risk Management Activities and Fair Value Measurements - Additional Information (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Jun. 30, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Cash equivalents $ 11,100 $ 8,300
Fair value of long-term debt 29,400 29,500
Current portion of long-term debt instruments $ 6,500 $ 5,300
Derivative Asset, Statement of Financial Position [Extensible Enumeration] OTHER NONCURRENT ASSETS, Prepaid expenses and other current assets OTHER NONCURRENT ASSETS, Prepaid expenses and other current assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Accrued and other liabilities, OTHER NONCURRENT LIABILITIES Accrued and other liabilities, OTHER NONCURRENT LIABILITIES
Collateral already posted, aggregate fair value $ 477 $ 1,100
Fair Value Hedging | Underlying, Other    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying amount of the underlying debt obligation 5,000 3,100
Net Investment Hedging | Underlying, Other    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying amount of the underlying debt obligation $ 12,100 $ 11,200