Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2024

Supplemental Cash Flow Elements [Abstract]

(16) Supplemental Cash Flow Information

Cash flows related to income taxes, interest, leases, and capital and turnaround expenditures included in accounts payable were as follows:


	Year Ended December 31,
(in millions)	2024		2023		2022
Supplemental disclosures:
Cash paid for income taxes, net of refunds	$	60	$	93	$	170
Cash paid for interest	112		95		96
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	19		19		17
Operating cash flows from finance leases	4		4		5
Financing cash flows from finance leases	10		6		6
Noncash investing and financing activities:
Change in capital expenditures included in accounts payable (1)	2		(8)		12
Change in turnaround expenditures included in accounts payable	5		3		(2)

ROU assets obtained in exchange for new or modified operating lease liabilities	37		21		7
ROU assets obtained in exchange for new or modified finance lease liabilities	26		2		—

(1)Capital expenditures are shown exclusive of capitalized turnaround expenditures.

Cash, cash equivalents and restricted cash consisted of the following:


	As of December 31,
(in millions)	2024		2023
Cash and cash equivalents	$	987	$	581
Reserved funds (1)	—		598
Restricted cash (2)	—		7
Cash, cash equivalents, reserved funds and restricted cash	$	987	$	1,186

(1)Funds reserved for the redemption of the 2025 Notes in February 2024. See Note 8 (“Long-Term Debt and Finance Lease Obligations”) for further discussion.

(2)Restricted funds were released and paid in February 2024.