Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 2,004	$ 2,148
Accounts receivable, net	1,387	1,504
Materials and supplies	1,063	1,009
Other current assets	131	116
Total current assets	4,585	4,777
Property and equipment, net of accumulated depreciation of $20,411 and $19,464, respectively	71,261	70,199
Goodwill	15,351	15,350
Operating lease right-of-use assets	1,194	1,082
Other assets	3,779	3,169
Total assets	96,170	94,577
Current liabilities:
Accounts payable and other current liabilities	3,942	4,340
Long-term debt and finance leases due within one year	1,263	1,265
Total current liabilities	5,205	5,605
Long-term debt and finance leases	22,234	22,217
Deferred income taxes	15,696	15,222
Operating lease liabilities	727	554
Casualty and environmental liabilities	369	380
Pension and retiree health and welfare liability	180	196
Other liabilities	1,118	1,140
Total liabilities	45,529	45,314
Commitments and contingencies (see Note 14)
Equity:
Member’s equity	50,060	49,029
Accumulated other comprehensive income	581	234
Total equity	50,641	49,263
Total liabilities and equity	96,170	94,577
Accumulated depreciation; property and equipment	$ 20,411	$ 19,464