v3.25.3
Cash and Cash Equivalents (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Cash and Cash Equivalents [Line Items]          
Accounts receivable, net       $ (157) $ 9
Accounts receivable from affiliates       0 20
Inventories, net       (44) (100)
Other assets       (18) 19
Accounts payable       (149) 31
Accounts payable to affiliates       3 52
Accrued expenses and other current liabilities       65 (8)
Other non-current liabilities       80 (88)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital       (220) (65)
Units issued in acquisition $ 13 $ 5 $ 3,651    
Lease assets obtained in exchange for new lease liabilities       93 3
NuStar Acquisition          
Cash and Cash Equivalents [Line Items]          
Units issued in acquisition       0 2,850
Other acquisition          
Cash and Cash Equivalents [Line Items]          
Units issued in acquisition       18 0
ET-S Permian joint venture          
Cash and Cash Equivalents [Line Items]          
Contribution of Property       $ 0 $ 1,246