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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2024
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
(Millions of dollars)202420232022
Net cash provided by operating activities included:
Interest paid (net of amounts capitalized)$1,247 $1,200 $1,060 
Income taxes paid to taxing authorities(a)
732 2,751 4,869 
Cash paid for amounts included in the measurement of lease liabilities
Payments on operating leases532 493 498 
Interest payments under finance lease obligations25 25 24 
Net cash provided by financing activities included:
Principal payments under finance lease obligations82 79 79 
Non-cash investing and financing activities:
Right of use assets obtained in exchange for new operating lease obligations637 465 367 
Right of use assets obtained in exchange for new finance lease obligations302 21 60 
Contribution of assets(b)
— — 818 
Book value of equity method investment(c)
50 311 150 
(a)    2024 includes $565 million paid to third parties for transferable tax credits.
(b)    Represents the book value of property, plant and equipment, inventory and working capital contributed by MPC to Martinez Renewables LLC. See Note 14 for additional information.
(c)    2024 represents the book value of Coastal Holdings prior to MPC buying out the remaining 50 percent interest from our joint venture partner. 2023 represents the book value of MPLX’s equity method investment in Torñado, prior to MPLX buying out the remaining interest in this entity. 2022 represents the book value of MPC’s equity method investment in Watson Cogeneration Company and Tanker Holdings of $25 million and $125 million, respectively, prior to MPC buying out the remaining interest in these entities. See Note 14 for additional information.
The consolidated statements of cash flows exclude changes to the consolidated balance sheets that did not affect cash. The following is a reconciliation of additions to property, plant and equipment to total capital expenditures:
(Millions of dollars)202420232022
Additions to property, plant and equipment per the consolidated statements of cash flows$2,533 $1,890 $2,420 
Increase (decrease) in capital accruals34 184 (37)
Total capital expenditures$2,567 $2,074 $2,383