Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2023

Supplemental Cash Flow Information [Abstract]

Schedule of cash flows, supplemental disclosures

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):

	Six Months Ended June 30,
	2023		2022
Decrease (increase) in current assets:
Receivables, net	$	1,225	$	(4,163)
Inventories	(73)		(1,056)
Prepaid expenses and other	(55)		(108)
Increase (decrease) in current liabilities:
Accounts payable	(1,909)		4,240
Accrued expenses	(128)		(126)
Taxes other than income taxes payable	(136)		133
Income taxes payable	(652)		952
Changes in current assets and current liabilities	$	(1,728)	$	(128)

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

	Six Months Ended June 30,
	2023		2022
Interest paid in excess of amount capitalized, including interest on finance leases	$	273	$	291
Income taxes paid, net	2,410		916

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

	Six Months Ended June 30,
	2023				2022
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows	$	206	$	54	$	196	$	39
Financing cash flows	—		107		—		86
Changes in lease balances resulting from new and modified leases	237		48		92		164