v3.26.1
Debt and Letters of Credit - Narrative (Details) - Lines of Credit
$ in Millions
Jun. 30, 2026
USD ($)
Financing Arrangements  
Long-term line of credit $ 335
Committed Line of Credit  
Financing Arrangements  
Current borrowing capacity 903
Uncommitted Line of Credit  
Financing Arrangements  
Long-term line of credit 762
Revolving Loan And Letter Of Credit Facility Agreement | Committed Line of Credit  
Financing Arrangements  
Maximum borrowing capacity $ 2,200