Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,931	$ 2,148
Accounts receivable, net	1,462	1,504
Materials and supplies	993	1,009
Other current assets	143	116
Total current assets	4,529	4,777
Property and equipment, net of accumulated depreciation of $20,123 and $19,464, respectively	71,053	70,199
Goodwill	15,351	15,350
Operating lease right-of-use assets	1,152	1,082
Other assets	3,302	3,169
Total assets	95,387	94,577
Current liabilities:
Accounts payable and other current liabilities	4,025	4,340
Long-term debt and finance leases due within one year	912	1,265
Total current liabilities	4,937	5,605
Long-term debt and finance leases	22,614	22,217
Deferred income taxes	15,313	15,222
Operating lease liabilities	643	554
Casualty and environmental liabilities	359	380
Pension and retiree health and welfare liability	186	196
Other liabilities	1,130	1,140
Total liabilities	45,182	45,314
Commitments and contingencies (see Note 6)
Equity:
Member’s equity	49,982	49,029
Accumulated other comprehensive income (loss)	223	234
Total equity	50,205	49,263
Total liabilities and equity	$ 95,387	$ 94,577