Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Information [Abstract]

Schedule of cash flows, supplemental disclosures

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

	Nine Months Ended September 30,
	2021		2020
Decrease (increase) in current assets:
Receivables, net	$	(2,643)	$	3,229
Inventories	(232)		1,577
Prepaid expenses and other	28		70
Increase (decrease) in current liabilities:
Accounts payable	3,624		(4,893)
Accrued expenses	538		17
Taxes other than income taxes payable	200		(24)
Income taxes payable	115		(208)
Changes in current assets and current liabilities	$	1,630	$	(232)

Cash flows related to interest and income taxes were as follows (in millions):

	Nine Months Ended September 30,
	2021		2020
Interest paid in excess of amount capitalized, including interest on finance leases	$	397	$	338
Income taxes paid (refunded), net	(876)		206

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

	Nine Months Ended September 30,
	2021				2020
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows	$	296	$	53	$	329	$	74
Investing cash flows	1		—		1		—
Financing cash flows	—		97		—		51
Changes in lease balances resulting from new and modified leases (a)	366		93		211		1,506

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(a)Noncash activity for the nine months ended September 30, 2020 primarily included $1.4 billion for a finance lease right-of-use asset and related liability recognized in connection with the terminaling agreement with MVP.