v3.26.1
Debt (Credit Agreement) (Details) - Five-Year Revolving Credit Facility
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Debt  
Early maturity trigger, principal due within 91 days $ 325
Early maturity trigger available cash 250
Permitted commitment increase 250
Credit facility amount outstanding 0
Letters of credit issued and outstanding 48
Credit facility available borrowing capacity $ 462
Spread on variable rate basis (as a percent) 2.875%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] us-gaap:SecuredOvernightFinancingRateSofrMember
Variable rate spread adjustment (as a percent) 0.10%
Commitment fee (as a percent) 0.625%
Minimum  
Debt  
Commitment fee (as a percent) 0.375%
Maximum  
Debt  
Commitment fee (as a percent) 1.00%
June 2028  
Debt  
Borrowing capacity, maximum $ 510