v3.26.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Net cash provided by operating activities included:    
Interest paid (net of amounts capitalized) $ 739 $ 590
Net income taxes paid to (received from) taxing authorities [1] 630 119
Income tax credits and adjustments 185 111
Non-cash investing and financing activities:    
Contribution of assets [2] 0 $ 115
Martinez Renewables LLC    
Net cash provided by operating activities included:    
Payment to Acquire Transferable Tax Credits 63  
Income Tax Paid, by Individual Jurisdiction [Line Items]    
Payment to Acquire Transferable Tax Credits $ 63  
[1] ncludes $185 million and $111 million in the six months ended June 30, 2026 and June 30, 2025, respectively, paid to third parties and related parties for transferable tax credits. The six months ended June 30, 2026 includes $63 million paid to Martinez Renewables LLC.
[2] Represents the book value of assets contributed by MPLX to a joint venture