Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 2,972	$ 1,938
Accounts receivable, net	1,395	1,404
Materials and supplies	1,098	952
Other current assets	237	137
Total current assets	5,702	4,431
Property and equipment, net of accumulated depreciation of $19,046 and $17,899, respectively	68,729	67,225
Goodwill	16,396	14,852
Operating lease right-of-use assets	1,161	1,233
Other assets	2,990	4,870
Total assets	94,978	92,611
Current liabilities:
Accounts payable and other current liabilities	4,064	4,447
Long-term debt and finance leases due within one year	1,260	1,562
Total current liabilities	5,324	6,009
Long-term debt and finance leases	22,245	21,890
Deferred income taxes	15,306	15,110
Operating lease liabilities	583	680
Casualty and environmental liabilities	362	385
Pension and retiree health and welfare liability	193	205
Other liabilities	1,118	1,096
Total liabilities	45,131	45,375
Commitments and contingencies (see Note 6)
Equity:
Member’s equity	49,674	47,042
Accumulated other comprehensive income (loss)	173	194
Total equity	49,847	47,236
Total liabilities and equity	$ 94,978	$ 92,611