v3.26.1
Accounts Receivable - Purchases and Sales of Accounts Receivable (Detail) - Calpine
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Proceeds from new transfers $ 1,205
Cash collections received on DPP and reinvested in the Facility $ 1,126