Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,903	$ 1,758
Accounts receivable, net	1,555	1,316
Materials and supplies	997	864
Other current assets	155	114
Total current assets	4,610	4,052
Property and equipment, net of accumulated depreciation of $17,530 and $14,978, respectively	66,569	65,714
Goodwill	14,852	14,852
Operating lease right-of-use assets	1,370	1,592
Other assets	5,155	5,227
Total assets	92,556	91,437
Current liabilities:
Accounts payable and other current liabilities	4,293	3,896
Long-term debt and finance leases due within one year	1,556	932
Total current liabilities	5,849	4,828
Long-term debt and finance leases	21,746	22,287
Deferred income taxes	15,221	15,156
Operating lease liabilities	773	1,015
Casualty and environmental liabilities	391	427
Pension and retiree health and welfare liability	278	291
Other liabilities	958	984
Total liabilities	45,216	44,988
Commitments and contingencies (see Note 5)
Equity:
Member’s equity	46,973	46,096
Accumulated other comprehensive income (loss)	367	353
Total equity	47,340	46,449
Total liabilities and equity	$ 92,556	$ 91,437