Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2023

Supplemental Cash Flow Information [Abstract]


(Millions of dollars)	2023		2022		2021
Net cash provided by operating activities included:
Interest paid (net of amounts capitalized)	$	1,200	$	1,060	$	1,231
Income taxes paid to taxing authorities	2,751		4,869		2,436
Cash paid for amounts included in the measurement of lease liabilities
Payments on operating leases	493		498		569
Interest payments under finance lease obligations	25		24		21
Net cash provided by financing activities included:
Principal payments under finance lease obligations	79		79		71
Non-cash investing and financing activities:
Right of use assets obtained in exchange for new operating lease obligations	465		367		349
Right of use assets obtained in exchange for new finance lease obligations	21		60		37
Contribution of assets(a)	—		818		—
Book value of equity method investment(b)	311		150		—

(a) Represents the book value of property, plant and equipment, inventory and working capital contributed by MPC to Martinez Renewables LLC. See Note 15 for additional information.

(b) 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 Crowley Ocean Partners of $25 million and $125 million, respectively, prior to MPC buying out the remaining interest in these entities. See Note 15 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)	2023		2022		2021
Additions to property, plant and equipment per the consolidated statements of cash flows	$	1,890	$	2,420	$	1,464
Increase (decrease) in capital accruals	184		(37)		141
Total capital expenditures	$	2,074	$	2,383	$	1,605