v3.26.1
Investments, Loans and Long-Term Receivables - Dakota Access, LLC and Energy Transfer Crude Oil, Company, LLC (ETCO) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Dakota Access, LLC  
Schedule of Equity Method Investments [Line Items]  
Scheduled interest payments annually $ 10
Dakota Access and ETCO  
Schedule of Equity Method Investments [Line Items]  
Percentage of ownership interest 25.00%
Maximum exposure, undiscounted $ 215
Equity investments 842
Senior Notes | Dakota Access, LLC  
Schedule of Equity Method Investments [Line Items]  
Debt issued and guaranteed $ 850