In order to determine net cash provided by operating activities, net income is adjusted by, among other things, changes in current assets and current liabilities as follows (in millions):


	Nine Months Ended September 30,
	2024		2023
Decrease (increase) in current assets:
Receivables, net	$	1,382	$	(709)
Inventories	574		(720)
Prepaid expenses and other	265		(40)
Increase (decrease) in current liabilities:
Accounts payable	(1,081)		656
Accrued expenses	(93)		(31)
Taxes other than income taxes payable	(114)		(222)
Income taxes payable	(138)		(629)
Changes in current assets and current liabilities	$	795	$	(1,695)

Changes in current assets and current liabilities for the nine months ended September 30, 2024 were primarily due to the following:

•The decrease in receivables was due to a decrease in refined petroleum product sales volumes combined with a decrease in related prices in September 2024 compared to December 2023;

•The decrease in inventories was primarily due to lower inventory levels in September 2024 compared to December 2023; and

•The decrease in accounts payable was due to a decrease in crude oil and other feedstock prices combined with a decrease in related volumes purchased in September 2024 compared to December 2023.

Changes in current assets and current liabilities for the nine months ended September 30, 2023 were primarily due to the following:

•The increase in receivables was due to an increase in refined petroleum product prices in September 2023 compared to December 2022;

•The increase in inventories was due to an increase in inventory volumes in September 2023 compared to December 2022;

•The increase in accounts payable was due to an increase in crude oil and other feedstock prices in September 2023 compared to December 2022; and

•The decrease in income taxes payable was primarily due to income tax payments made during the nine months ended September 30, 2023.


	Nine Months Ended September 30,
	2024		2023
Interest paid in excess of amount capitalized, including interest on finance leases	$	374	$	372
Income taxes paid, net	835		3,098

Supplemental cash flow information related to our operating and finance leases was as follows (in millions):


	Nine Months Ended September 30,
	2024				2023
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows	$	392	$	87	$	316	$	81

Financing cash flows	—		173		—		190
Changes in lease balances resulting from new and modified leases	346		312		343		84

Noncash financing activities for the nine months ended September 30, 2024 included the conversion by IEnova of $457 million of outstanding borrowings under the IEnova Revolver to additional equity in Central Mexico Terminals, as described in Note 4. There were no other significant noncash investing and financing activities during the nine months ended September 30, 2024, except as noted in the table above.

There were no significant noncash investing and financing activities during the nine months ended September 30, 2023, except as noted in the table above.