Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 2,066	$ 2,148
Accounts receivable, net	1,451	1,504
Materials and supplies	1,026	1,009
Other current assets	169	116
Total current assets	4,712	4,777
Property and equipment, net of accumulated depreciation of $20,401 and $19,464, respectively	70,648	70,199
Goodwill	15,351	15,350
Operating lease right-of-use assets	1,181	1,082
Other assets	3,279	3,169
Total assets	95,171	94,577
Current liabilities:
Accounts payable and other current liabilities	3,819	4,340
Long-term debt and finance leases due within one year	1,265	1,265
Total current liabilities	5,084	5,605
Long-term debt and finance leases	22,967	22,217
Deferred income taxes	15,280	15,222
Operating lease liabilities	622	554
Casualty and environmental liabilities	373	380
Pension and retiree health and welfare liability	190	196
Other liabilities	1,129	1,140
Total liabilities	45,645	45,314
Commitments and contingencies (see Note 6)
Equity:
Member’s equity	49,299	49,029
Accumulated other comprehensive income (loss)	227	234
Total equity	49,526	49,263
Total liabilities and equity	$ 95,171	$ 94,577