Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 2,463	$ 2,004
Accounts receivable, net	1,320	1,387
Materials and supplies	1,066	1,063
Other current assets	162	131
Total current assets	5,011	4,585
Property and equipment, net of accumulated depreciation of $22,327 and $20,411, respectively	72,372	71,261
Goodwill	15,351	15,351
Operating lease right-of-use assets	1,207	1,194
Other assets	3,948	3,779
Total assets	97,889	96,170
Current liabilities:
Accounts payable and other current liabilities	3,856	3,942
Long-term debt and finance leases due within one year	571	1,263
Total current liabilities	4,427	5,205
Long-term debt and finance leases	23,491	22,234
Deferred income taxes	15,985	15,696
Operating lease liabilities	903	727
Casualty and environmental liabilities	364	369
Pension and retiree health and welfare liability	164	180
Other liabilities	921	1,118
Total liabilities	46,255	45,529
Commitments and contingencies (see Note 14)
Equity:
Member’s equity	51,136	50,060
Accumulated other comprehensive income	498	581
Total equity	51,634	50,641
Total liabilities and equity	97,889	96,170
Accumulated depreciation; property and equipment	$ 22,327	$ 20,411