Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 1,530	$ 1,641
Accounts receivable – net	988	1,069
Materials and supplies	271	277
Other current assets	409	201
Total current assets	3,198	3,188
Investments	4,089	3,370
Properties less accumulated depreciation	36,479	35,831
Other assets	1,470	1,293
Total assets	45,236	43,682
Current liabilities:
Accounts payable	1,863	1,704
Income and other taxes	340	337
Other current liabilities	965	949
Current maturities of long-term debt	607	555
Total current liabilities	3,775	3,545
Long-term debt	16,480	16,651
Other liabilities	1,723	1,760
Deferred income taxes	7,711	7,420
Total liabilities	29,689	29,376
Stockholders’ equity:
Common stock, net of treasury shares	226	228
Additional paid-in capital	2,296	2,247
Accumulated other comprehensive loss	(210)	(262)
Retained income	13,235	12,093
Total stockholders’ equity	15,547	14,306
Total liabilities and stockholders’ equity	$ 45,236	$ 43,682