Supplemental Disclosures to Consolidated Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2025


		Years ended December 31,
		2025		2024

		amounts in millions
Cash paid for interest, net of amounts capitalized		$	51	56
Noncash activity:
Property and equipment expenditures incurred but not yet paid		$	37	27
Asset retirement obligation adjustments		$	22	1
Cash paid for taxes, net of refunds:
Federal
United States		$	14	17
State and local
Alaska			94	7
Other			1	—
Total cash paid for taxes, net of refunds		$	109	24


	Years ended December 31,
	2025		2024

	amounts in millions
Cash and cash equivalents	$	416	74
Restricted cash included in other current assets		8	—
Restricted cash included in other long-term assets		5	1
Total cash and cash equivalents and restricted cash at end of period	$	429	75