Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2024

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

12.Supplemental Cash Flow Information

Noncash investing and financing activities are as follows:

	Six Months Ended
	June 30,
	2024		2023
	(Dollars in Millions)
Accrued liabilities for purchases of property, plant and equipment	$	49	$	63
Right-of-use assets obtained in exchange for new    operating lease liabilities	$	43	$	29
Right-of-use assets obtained in exchange for    new finance lease liabilities	$	9	$	16
Remeasurement of operating lease right-of-use assets	$	3	$	1
Remeasurement of finance lease right-of-use assets	$	25	$	—
Acquisition of assets through asset exchange	$	—	$	5

Supplemental disclosures of cash flow information are as follows:

	Six Months Ended
	June 30,
	2024		2023
	(Dollars in Millions)
Cash paid for interest, net of capitalized amount	$	76	$	80
Cash paid for income taxes, net of refunds	$	374	$	83