v3.8.0.1

Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 413	$ 570
Accounts receivable, net	1,690	1,508
Materials and supplies	807	825
Other current assets	273	278
Total current assets	3,183	3,181
Property and equipment, net of accumulated depreciation of $8,278 and $6,124, respectively	61,934	61,213
Goodwill	14,803	14,803
Intangible assets, net	400	423
Other assets	2,206	2,155
Total assets	82,526	81,775
Current liabilities:
Accounts payable and other current liabilities	3,231	3,492
Long-term debt due within one year	85	85
Total current liabilities	3,316	3,577
Deferred income taxes	20,422	20,001
Long-term debt	1,388	1,467
Casualty and environmental liabilities	526	584
Intangible liabilities, net	495	567
Pension and retiree health and welfare liability	311	321
Other liabilities	1,127	1,120
Total liabilities	27,585	27,637
Commitments and contingencies (see Notes 6 and 7)
Stockholder’s equity:
Common stock, $1 par value, 1,000 shares authorized; issued and outstanding and paid-in-capital	42,920	42,920
Retained earnings	30,627	27,218
Intercompany notes receivable	(18,723)	(16,119)
Accumulated other comprehensive income	117	119
Total stockholder's equity	54,941	54,138
Total liabilities and stockholder's equity	$ 82,526	$ 81,775

Noncurrent portion of costs accrued as of the balance sheet date for casualty, environmental and other loss contingencies.

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Name:	us-gaap_StockholdersEquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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