10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(X)    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended July 1, 2011

OR

( )    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________ to __________

Commission File Number 1-8022
CSX CORPORATION
(Exact name of registrant as specified in its charter)
Virginia			62-1051971
(State or other jurisdiction of incorporation or organization)			(I.R.S. Employer Identification No.)
500 Water Street, 15th Floor, Jacksonville, FL		32202	(904) 359-3200
(Address of principal executive offices)		(Zip Code)	(Telephone number, including area code)
	No Change
(Former name, former address and former fiscal year, if changed since last report.)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes (X) No ( )

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes (X) No ( )

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (check one)

Large Accelerated Filer (X)	Accelerated Filer ( )
Non-accelerated Filer ( )	Smaller Reporting Company ( )

Indicate by a check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ( ) No (X)

There were 1,095,281,506 shares of common stock outstanding on July 1, 2011 (the latest practicable date that is closest to the filing date).

1

CSX CORPORATION

FORM 10-Q

FOR THE QUARTERLY PERIOD ENDED JULY 1, 2011

INDEX

		Page
PART I.	FINANCIAL INFORMATION
Item 1.	Financial Statements	3
	Consolidated Income Statements (Unaudited) - Quarters and Six Months Ended July 1, 2011 and June 25, 2010	3
	Consolidated Balance Sheets - At July 1, 2011 (Unaudited) and December 31, 2010	4
	Consolidated Cash Flow Statements (Unaudited) - Six Months Ended July 1, 2011 and June 25, 2010	5
	Notes to Consolidated Financial Statements (Unaudited)	6
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	25
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	39
Item 4.	Controls and Procedures	39
PART II.	OTHER INFORMATION
Item 1.	Legal Proceedings	39
Item 1A.	Risk Factors	39
Item 2.	CSX Purchases of Equity Securities	40
Item 3.	Defaults upon Senior Securities	41
Item 4.	Removed and Reserved	41
Item 5.	Other Information	41
Item 6.	Exhibits	41
Signature		42

2

CSX CORPORATION

PART I - FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

CONSOLIDATED INCOME STATEMENTS (Unaudited)

(Dollars in millions, except per share amounts)

	Second Quarters						Six Months
	2011			2010			2011			2010
Revenue	$	3,019		$	2,663		$	5,829		$	5,154
Expense
Labor and Fringe	764			721			1,529			1,450
Materials, Supplies and Other	557			551			1,087			1,070
Fuel	431			304			833			587
Depreciation	246			230			489			458
Equipment and Other Rents	95			89			192			189
Total Expense	2,093			1,895			4,130			3,754
Operating Income	926			768			1,699			1,400
Interest Expense	(134		)	(135		)	(274		)	(277		)
Other Income - Net (Note 8)	—			9			5			20
Earnings Before Income Taxes	792			642			1,430			1,143
Income Tax Expense (Note 9)	(286		)	(228		)	(529		)	(424		)
Net Earnings	$	506		$	414		$	901		$	719
Per Common Share (Note 2)
Net Earnings Per Share, Basic	$	0.46		$	0.36		$	0.81		$	0.62
Net Earnings Per Share, Assuming Dilution	$	0.46		$	0.36		$	0.81		$	0.61
Average Shares Outstanding (In millions)	1,102			1,149			1,105			1,161
Average Shares Outstanding, Assuming Dilution (In millions)	1,109			1,159			1,112			1,171
Cash Dividends Paid Per Common Share	$	0.12		$	0.08		$	0.21		$	0.16

All share and per share data were retroactively restated to reflect the stock split effective May 31, 2011.

See accompanying notes to consolidated financial statements.

3

CSX CORPORATION

ITEM 1. FINANCIAL STATEMENTS

CONSOLIDATED BALANCE SHEETS

(Dollars in millions, except per share amounts)

	(Unaudited)
	July 1, 2011			December 31, 2010
ASSETS
Current Assets
Cash and Cash Equivalents	$	1,252		$	1,292
Short-term Investments	43			54
Accounts Receivable - Net (Note 1)	1,112			993
Materials and Supplies	251			218
Deferred Income Taxes	186			192
Other Current Assets	123			106
Total Current Assets	2,967			2,855
Properties	32,777			32,065
Accumulated Depreciation	(8,575		)	(8,266		)
Properties - Net	24,202			23,799
Investment in Conrail	681			673
Affiliates and Other Companies	477			461
Other Long-term Assets	378			353
Total Assets	$	28,705		$	28,141
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	1,076		$	1,046
Labor and Fringe Benefits Payable	430			520
Casualty, Environmental and Other Reserves (Note 4)	180			176
Current Maturities of Long-term Debt (Note 7)	494			613
Income and Other Taxes Payable	137			85
Other Current Liabilities	168			97
Total Current Liabilities	2,485			2,537
Casualty, Environmental and Other Reserves (Note 4)	468			502
Long-term Debt (Note 7)	8,186			8,051
Deferred Income Taxes	7,340			7,053
Other Long-term Liabilities	1,285			1,298
Total Liabilities	19,764			19,441
Common Stock $1 Par Value	1,095			370
Other Capital (Note 1)	—			—
Retained Earnings	8,582			9,087
Accumulated Other Comprehensive Loss (Note 1)	(747		)	(771		)
Noncontrolling Interest	11			14
Total Shareholders' Equity	8,941			8,700
Total Liabilities and Shareholders' Equity	$	28,705		$	28,141

See accompanying notes to consolidated financial statements.

4

CSX CORPORATION

ITEM 1. FINANCIAL STATEMENTS

CONSOLIDATED CASH FLOW STATEMENTS (Unaudited)

(Dollars in millions)

	Six Months
	2011			2010
OPERATING ACTIVITIES
Net Earnings	$	901		$	719
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation	489			458
Deferred Income Taxes	280			79
Other Operating Activities	(10		)	79
Changes in Operating Assets and Liabilities:
Accounts Receivable	(119		)	57
Other Current Assets	(64		)	(52		)
Accounts Payable	35			(34		)
Income and Other Taxes Payable	76			94
Other Current Liabilities	(1		)	22
Net Cash Provided by Operating Activities	1,587			1,422
INVESTING ACTIVITIES
Property Additions	(947		)	(687		)
Other Investing Activities	16			68
Net Cash Used in Investing Activities	(931		)	(619		)
FINANCING ACTIVITIES
Long-term Debt Issued (Note 7)	600			—
Long-term Debt Repaid (Note 7)	(570		)	(71		)
Dividends Paid	(228		)	(184		)
Stock Options Exercised (Note 3)	24			16
Shares Repurchased	(528		)	(823		)
Other Financing Activities	6			(137		)
Net Cash Used in Financing Activities	(696		)	(1,199		)
Net Decrease in Cash and Cash Equivalents	(40		)	(396		)
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	1,292			1,029
Cash and Cash Equivalents at End of Period	$	1,252		$	633

See accompanying notes to consolidated financial statements.

5

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1. Nature of Operations and Significant Accounting Policies

Background

CSX Corporation (“CSX”), and together with its subsidiaries (the “Company”), based in Jacksonville, Florida, is one of the nation's leading transportation companies. The Company provides rail-based transportation services including traditional rail service and the transport of intermodal containers and trailers.

CSX's principal operating subsidiary, CSX Transportation, Inc. (“CSXT”), provides an important link to the transportation supply chain through its approximately 21,000 route mile rail network, which serves major population centers in 23 states east of the Mississippi River, the District of Columbia and the Canadian provinces of Ontario and Quebec. The Company's intermodal business links customers to railroads via trucks and terminals.

Other entities

In addition to CSXT, the Company's subsidiaries include CSX Intermodal Terminals, Inc. (“CSX Intermodal Terminals”), Total Distribution Services, Inc. (“TDSI”), Transflo Terminal Services, Inc. (“Transflo”), CSX Technology, Inc. (“CSX Technology”) and other subsidiaries.  CSX Intermodal Terminals owns and operates a system of intermodal terminals, predominantly in the eastern United States and also performs drayage services (the door to door pickup and delivery of intermodal shipments) and trucking dispatch operations. TDSI serves the automotive industry with distribution centers and storage locations, while Transflo provides logistical solutions for transferring products from rail to trucks.  CSX Technology and other subsidiaries provide support services for the Company.

CSX's other holdings include CSX Real Property, Inc., a subsidiary responsible for the Company's real estate sales, leasing, acquisition and management and development activities.  These activities are classified in other income - net because they are not considered to be operating activities by the Company. Results of these activities fluctuate with the timing of non-operating real estate transactions.

Basis of Presentation

In the opinion of management, the accompanying consolidated financial statements contain all normal, recurring adjustments necessary to fairly present the following:

• Consolidated income statements for the quarter and six months endedJuly 1, 2011 and June 25, 2010;

• Consolidated balance sheets at July 1, 2011 and December 31, 2010; and

• Consolidated cash flow statements for the six months endedJuly 1, 2011 and June 25, 2010.

6

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1. Nature of Operations and Significant Accounting Policies, continued

Pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), certain information and disclosures normally included in the notes to the annual financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been omitted from these interim financial statements. CSX suggests that these financial statements be read in conjunction with the audited financial statements and the notes included in CSX's most recent annual report on Form 10-K and any current reports on Form 8-K.

Fiscal Year

CSX follows a 52/53 week fiscal reporting calendar with the last day of each reporting period ending on a Friday:

• The second fiscal quarter of 2011 and 2010 consisted of 13 weeks ending on July 1, 2011 and June 25, 2010, respectively.

• The six month periods of 2011 and 2010 consisted of 26 weeks ending on July 1, 2011 and June 25, 2010, respectively.

• Fiscal year 2010 consisted of 53 weeks ending on December 31, 2010. Therefore, fourth quarter 2010 consisted of 14 weeks.

• Fiscal year 2011 will consist of 52 weeks ending on December 30, 2011.        

Except as otherwise specified, references to “second quarter(s)” or “six months” indicate CSX's fiscal periods ending July 1, 2011 and June 25, 2010, and references to year-end indicate the fiscal year ended December 31, 2010.

Comprehensive Earnings

CSX reports comprehensive earnings or loss in accordance with the Comprehensive Income Topic in the Accounting Standards Codification (“ASC”) in the Consolidated Statement of Changes in Shareholders' Equity. Total comprehensive earnings are defined as all changes in shareholders' equity during a period, other than those resulting from investments by and distributions to shareholders (e.g., issuance of equity securities and dividends).  Generally, for CSX, total comprehensive earnings equals net earnings plus or minus adjustments for pension and other post-retirement liabilities. Total comprehensive earnings represent the activity for a period net of tax and were $519 million and $424 million for second quarters 2011 and 2010, respectively, and $925 million and $741 million for six months 2011 and 2010, respectively.

While total comprehensive earnings is the activity in a period and is largely driven by net earnings in that period, accumulated other comprehensive income or loss (“AOCI”) represents the cumulative balance of other comprehensive income, net of tax, as of the balance sheet date.  For CSX, AOCI is primarily the cumulative balance related to pension and other post-retirement adjustments and reduced overall equity by $747 million and $771 million as of the end of second quarter 2011 and December 2010, respectively.

Beginning in first quarter 2012, the Comprehensive Income Topic in the ASC will require comprehensive income to be presented in a single continuous statement following net income or in two consecutive statements reporting net income and other comprehensive income. See the New Accounting Pronouncements section of Note 1, Nature of Operations and Significant Accounting Policies for further information.

7

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1. Nature of Operations and Significant Accounting Policies, continued

Allowance for Doubtful Accounts

The Company maintains an allowance for doubtful accounts on uncollectible amounts related to freight receivables, government reimbursement receivables, claims for damages and other various receivables. The allowance is based upon the credit worthiness of customers, historical experience, the age of the receivable and current market and economic conditions. Uncollectible amounts are charged against the allowance account. Allowance for doubtful accounts of $43 million and $38 million is included in the consolidated balance sheets as of the end of second quarter 2011 and December 2010, respectively.

New Accounting Pronouncements

In June 2011, the Financial Accounting Standards Board issued an Accounting Standards Update to the Comprehensive Income Topic in the ASC aimed at increasing the prominence of items reported in other comprehensive income in the financial statements. This update requires companies to present comprehensive income in a single statement below net income or in a separate statement of comprehensive income immediately following the income statement. Companies will no longer be allowed to present comprehensive income on the statement of changes in shareholders' equity. In both options, companies must present the components of net income, total net income, the components of other comprehensive income, total other comprehensive income and total comprehensive income. This update does not change which items are reported in other comprehensive income or the requirement to report reclassifications of items from other comprehensive income to net income. This requirement will become effective for CSX beginning with the first quarter 2012 10-Q filing and will require retrospective application for all periods presented.

Other Items

Stock Split

In May 2011, CSX announced a three-for-one split of its common stock. All shareholders of record on May 31, 2011 received two additional shares of CSX common stock that were distributed on June 15, 2011. See Note 2, Earnings Per Share.

Dividend Increase and Share Repurchases

During the quarter, the Company increased its quarterly cash dividend 38% to $0.12 per share on a post-split basis. In addition, CSX announced a new $2 billion share repurchase program expected to be completed by the end of 2012.

Other Capital

During second quarter 2011, CSX's other capital balance was reduced to zero as a result of share repurchases and the stock split. In accordance with the Equity Topic in the ASC, other capital cannot be negative. Therefore, a reclassification of $929 million was made between retained earnings and other capital to bring the other capital balance to zero. Generally, retained earnings is only impacted by net earnings and dividends.

8

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 2. Earnings Per Share

In May 2011, CSX announced a three-for-one split of its common stock. All shareholders of record on May 31, 2011 received two additional shares of CSX common stock that were distributed on June 15, 2011. Pursuant to the Earnings Per Share Topic in the ASC, all share and per share disclosures have been retroactively restated to reflect the stock split.

The following table sets forth the computation of basic earnings per share and earnings per share, assuming dilution:

	Second Quarters				Six Months
	2011		2010		2011		2010
Numerator (Dollars in millions):
Net Earnings	$	506	$	414	$	901	$	719
Denominator (Units in millions):
Average Common Shares Outstanding	1,102		1,149		1,105		1,161
Other Potentially Dilutive Common Shares (a)	7		10		7		10
Average Common Shares Outstanding, Assuming Dilution	1,109		1,159		1,112		1,171
Net Earnings Per Share, Basic	$	0.46	$	0.36	$	0.81	$	0.62
Net Earnings Per Share, Assuming Dilution	$	0.46	$	0.36	$	0.81	$	0.61

(a) Other potentially dilutive common shares include convertible debt, stock options, common stock equivalents and performance units granted under a management incentive compensation plan.

Basic earnings per share is based on the weighted-average number of shares of common stock outstanding. Earnings per share, assuming dilution, is based on the weighted-average number of shares of common stock outstanding adjusted for the effects of common stock that may be issued as a result of the following types of potentially dilutive instruments:

• convertible debt;

• employee stock options; and

• other equity awards, which include long-term incentive awards.

The Earnings Per Share Topic in the ASC requires CSX to include additional shares in the computation of earnings per share, assuming dilution. The additional shares included in diluted earnings per share represents the number of shares that would be issued if all of the above potentially dilutive instruments were converted into CSX common stock.

Other potentially dilutive common shares include convertible debt, stock options, stock option common stock equivalents and performance units granted under a management incentive compensation plan. When calculating diluted earnings per share for stock option common stock equivalents, the Earnings Per Share Topic in the ASC requires CSX to include the potential shares that would be outstanding if all outstanding stock options were exercised. This is offset by shares CSX could repurchase using the proceeds from these hypothetical exercises to obtain the common stock equivalent. This number is different from outstanding stock options, which is included in Note 3, Share-Based Compensation. All stock options were dilutive for the periods presented; therefore, no stock options were excluded from the diluted earnings per share calculation.

9

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 2. Earnings Per Share, continued

As a result, diluted shares outstanding are not impacted when debentures are converted into CSX common stock because those shares were already included in the diluted shares calculation. Shares outstanding for basic earnings per share, however, are impacted on a weighted-average basis when conversions occur.  During second quarters 2011 and 2010, approximately $5 million and $200 thousand of face value of convertible debentures were converted into 178 thousand and 7 thousand shares of CSX common stock, respectively. As of the end of the second quarter 2011, approximately $5 million of convertible debentures at face value remained outstanding, which are convertible into approximately 542 thousand shares of CSX common stock.

NOTE 3. Share-Based Compensation

Under CSX share-based compensation plans, awards primarily consist of performance grants, restricted stock awards, restricted stock units, stock options and stock grants for directors. CSX has not granted stock options since 2003. Awards granted under the various plans are determined and approved by the Compensation Committee of the Board of Directors or, in certain circumstances, by the Chief Executive Officer for awards to management employees other than senior executives. The Board of Directors approves awards granted to the Company's non-management directors upon recommendation of the Governance Committee.

In May 2011, approximately 1.1 million performance units (post-split) were granted to key members of management under a new long-term incentive plan ("LTIP") adopted under the CSX Stock and Incentive Award Plan.  This LTIP plan provides for a three-year cycle ending in fiscal year 2013.  Similar to the two existing plans, the financial target upon which payments are based is operating ratio, which is defined as operating expenses divided by operating revenue and is calculated excluding certain non-recurring items.  Grants were made in performance units, with each unit being equivalent to one share of CSX common stock, and payouts will be made in CSX common stock.  The payout range for participants will be between 0% and 200% of the original grant based upon CSX's attainment of pre-established operating ratio targets for fiscal year 2013.  Payouts to certain senior executive officers are subject to a reduction of up to 30% at the discretion of the Compensation Committee of the Board of Directors based upon Company performance against certain CSX strategic initiatives.

Additionally, as part of this plan, the Company granted approximately 360 thousand time-based restricted stock units (post-split) to key members of management.  The restricted stock units vest three years after the date of grant and participants receive cash dividend equivalents on the unvested shares during the restriction period.  These awards are time-based and support retention objectives.

     For information related to the Company's other outstanding long-term incentive compensation, see CSX's most recent annual report on Form 10-K.

Total pre-tax expense associated with all share-based compensation and its related income tax benefit is as follows:

	Second Quarters				Six Months
(Dollars in millions)	2011		2010		2011		2010
Share-Based Compensation Expense	$	11	$	9	$	22	$	32
Income Tax Benefit	4		3		8		12

10

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 3. Share-Based Compensation, continued

The following table provides information about stock options exercised and expired.

	Second Quarters		Six Months
(In thousands)	2011	2010	2011	2010
Number of Stock Options Exercised	675	1,662	3,954	2,739
Number of Stock Options Expired	21	—	21	—

As of December 2009, all outstanding options were vested, and therefore, there will be no future expense related to these options.  As of the end of second quarter 2011, CSX had approximately 5 million stock options outstanding. 

NOTE 4. Casualty, Environmental and Other Reserves

Casualty, environmental and other reserves are considered critical accounting estimates that involve significant management judgments. They are provided for in the consolidated balance sheets as follows:

	July 1, 2011						December 31, 2010
(Dollars in millions)	Current		Long-term		Total		Current		Long-term		Total
Casualty:
Personal Injury	$	78	$	178	$	256	$	78	$	176	$	254
Occupational	10		32		42		10		30		40
Asbestos	9		61		70		9		72		81
Total Casualty	97		271		368		97		278		375
Separation	16		38		54		16		44		60
Environmental	37		56		93		37		70		107
Other	30		103		133		26		110		136
Total	$	180	$	468	$	648	$	176	$	502	$	678

Actual settlements and claims received could differ. The final outcome of these matters cannot be predicted with certainty. Considering the legal defenses available, the liabilities that have been recorded and other factors, it is the opinion of management that none of these items, when finally resolved, will have a material effect on the Company's financial condition, results of operations or liquidity. Should a number of these items occur in the same period, however, they could have a material effect on the Company's financial condition, results of operations or liquidity in that particular period.

Casualty

Casualty reserves represent accruals for personal injury, occupational injury claims and asbestos. During 2010 the Company increased its self-insured retention amount for these claims from $25 million to $50 million per injury for claims occurring on or after June 1, 2010. Currently, no individual claim is expected to exceed the self-insured retention amount. In accordance with the Contingencies Topic in the ASC, to the extent the value of an individual claim exceeds the self-insured retention amount; the Company would present the liability on a gross basis with a corresponding receivable for insurance recoveries. These reserves fluctuate based upon the timing of payments as well as changes in independent third-party estimates, which are reviewed by management. Most of the claims relate to CSXT unless otherwise noted below. Defense and processing costs, which historically have been insignificant and are anticipated to be insignificant in the future, are not included in the recorded liabilities.

11

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 4. Casualty, Environmental and Other Reserves, continued

Personal Injury

Personal injury reserves represent liabilities for employee work-related and third-party injuries. Work-related injuries for CSXT employees are primarily subject to the Federal Employers' Liability Act (“FELA”). In addition to FELA liabilities, employees of other CSX subsidiaries are covered by various state workers' compensation laws, the Federal Longshore and Harbor Workers' Compensation Program or the Maritime Jones Act.

CSXT retains an independent actuarial firm to assist management in assessing the value of personal injury claims.  An analysis is performed by the independent actuarial firm quarterly and is reviewed by management. The methodology used by the actuary includes a development factor to reflect growth or reduction in the value of these personal injury claims. It is based largely on CSXT's historical claims and settlement experience. Actual results may vary from estimates due to the number, type and severity of the injury, costs of medical treatments and uncertainties in litigation.

Occupational & Asbestos

Occupational claims arise from allegations of exposure to certain materials in the workplace, such as solvents, soaps, chemicals (collectively referred to as “irritants”) and diesel fuels (exhaust fumes) or allegations of chronic physical injuries resulting from work conditions, such as repetitive stress injuries, carpal tunnel syndrome and hearing loss. Also, asbestos claims are from employees alleging exposure to asbestos in the workplace.

An analysis of occupational claims is performed quarterly by an independent actuarial firm and reviewed by management. The methodology used includes estimates of future anticipated incurred but not reported claims based on the Company's trends in average historical claim filing rates, future anticipated dismissal rates and future settlement rates.

Asbestos claims are reviewed quarterly by management, and analyzed annually by a third party expert. The methodology used includes estimates of future anticipated incurred but not reported claims based on the Company's trends in average historical claim filing rates, future anticipated dismissal rates and future settlement rates. For both occupational and asbestos, actual claims may vary from these estimates due to the number, type and severity of the injury, costs of medical treatments and uncertainties in litigation.

Separation

Separation liabilities represent the estimated benefits provided to certain union employees as a result of implementing workforce reductions, improvements in productivity and certain other cost reductions at the Company's major transportation units since 1991. These liabilities are expected to be paid out over the next 10 to 15 years from general corporate funds and may fluctuate depending on the timing of payments and associated taxes.

12

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 4. Casualty, Environmental and Other Reserves, continued

Environmental

The Company is a party to various proceedings related to environmental issues, including administrative and judicial proceedings involving private parties and regulatory agencies. The Company has been identified as a potentially responsible party at approximately 258 environmentally impaired sites. Many of these are, or may be, subject to remedial action under the federal Comprehensive Environmental Response, Compensation and Liability Act of 1980, or CERCLA, also known as the Superfund Law, or similar state statutes. Most of these proceedings arose from environmental conditions on properties used for ongoing or discontinued railroad operations. A number of these proceedings, however, are based on allegations that the Company, or its predecessors, sent hazardous substances to facilities owned or operated by others for treatment, recycling or disposal. In addition, some of the Company's land holdings were leased to others for commercial or industrial uses that may have resulted in releases of hazardous substances or other regulated materials onto the property and could give rise to proceedings against the Company.

In any such proceedings, the Company is subject to environmental clean-up and enforcement actions under the Superfund Law, as well as similar state laws that may impose joint and several liability for clean-up and enforcement costs on current and former owners and operators of a site without regard to fault or the legality of the original conduct. These costs could be substantial.

In accordance with the Asset Retirement and Environmental Obligations Topic in the ASC, the Company reviews its role with respect to each site identified at least quarterly, giving consideration to a number of factors such as:

• type of clean-up required;

• nature of the Company's alleged connection to the location (e.g., generator of waste sent to the site or owner or operator of the site);

• extent of the Company's alleged connection (e.g., volume of waste sent to the location and other relevant factors); and

• number, connection and financial viability of other named and unnamed potentially responsible parties at the location.

Based on the review process, the Company has recorded amounts to cover anticipated contingent future environmental remediation costs with respect to each site to the extent such costs are estimable and probable. The recorded liabilities for estimated future environmental costs are undiscounted. The liability includes future costs for remediation and restoration of sites as well as any significant ongoing monitoring costs, but excludes any anticipated insurance recoveries. Payments related to these liabilities are expected to be made over the next several years. Environmental remediation costs are included in materials, supplies and other on the consolidated income statement.

Currently, the Company does not possess sufficient information to reasonably estimate the amounts of additional liabilities, if any, on some sites until completion of future environmental studies. In addition, conditions that are currently unknown could, at any given location, result in additional exposure, the amount and materiality of which cannot presently be reliably estimated. Based upon information currently available, however, the Company believes its environmental reserves are adequate to fund remedial actions to comply with present laws and regulations, and that the ultimate liability for these matters, if any, will not materially affect its overall financial condition, results of operations or liquidity.

13

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 4. Casualty, Environmental and Other Reserves, continued

Other

Other reserves include liabilities for various claims, such as longshoremen disability claims, freight claims and claims for property, automobile and general liability. These liabilities are accrued at the estimable and probable amount in accordance with the Contingencies Topic in the ASC.

NOTE 5. Commitments and Contingencies

Insurance

The Company maintains numerous insurance programs with substantial limits for property damage (which includes business interruption) and third-party liability.  A certain amount of risk is retained by the Company on each of the liability and property programs.  The Company has a $25 million retention per occurrence for the non-catastrophic property program and a $50 million retention per occurrence for the liability and catastrophic property programs.

While the Company's current insurance coverage is adequate to cover its damages, future claims could exceed existing insurance coverage or insurance may not continue to be available at commercially reasonable rates.

Legal Proceedings

For information related to the Company's legal proceedings, see Item 1, Legal proceedings in Part II of this quarterly report on Form 10-Q.

NOTE 6. Employee Benefit Plans

The Company sponsors defined benefit pension plans principally for salaried, management personnel.  The plans provide eligible employees with retirement benefits based predominantly on years of service and compensation rates near retirement.  For employees hired after December 31, 2002, benefits are determined based on a cash balance formula, which provides benefits by utilizing interest and pays credits based upon age, service and compensation.  In addition to these plans, the Company sponsors a self-insured post-retirement medical plan and a life insurance plan that provide benefits to full-time, salaried, management employees, hired prior to January 1, 2003, upon their retirement if certain eligibility requirements are met.  Prior to 2011, the post-retirement medical plan was partially funded by all participating retirees, with retiree contributions adjusted annually.  Beginning in 2011, Medicare-eligible retirees will be covered by a health reimbursement arrangement, which is an employer-funded account that can be used for reimbursement of eligible medical expenses. Non-Medicare eligible retirees will continue to be covered by the existing self-insured program.  The life insurance plan is non-contributory.

14

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 6. Employee Benefit Plans, continued

The Company engages independent actuaries to compute the amounts of liabilities and expenses relating to these plans subject to the assumptions that the Company selects.  These amounts are reviewed by management.  The following table describes the components of expense/ (income) related to net benefit expense:

	Pension Benefits
(Dollars in millions)	Second Quarters						Six Months
	2011			2010			2011			2010
Service Cost	$	10		$	11		$	20		$	21
Interest Cost	30			30			60			61
Expected Return on Plan Assets	(40		)	(41		)	(79		)	(82		)
Amortization of Net Loss	18			14			36			29
Amortization of Prior Service Cost	—			(1		)	—			—
Total Expense	$	18		$	13		$	37		$	29
	Other Post-retirement Benefits
(Dollars in millions)	Second Quarters						Six Months
	2011			2010			2011			2010
Service Cost	$	1		$	1		$	2		$	2
Interest Cost	3			4			6			9
Amortization of Net Loss	2			2			3			4
Amortization of Prior Service Cost	(1		)	—			(1		)	—
Total Expense	$	5		$	7		$	10		$	15

Qualified pension plan obligations are funded in accordance with prescribed regulatory requirements and with an objective of meeting minimum funding requirements necessary to avoid restrictions on flexibility of plan operation and benefit payments.  At this time, the Company anticipates that no contributions to its qualified pension plans will be required in 2011.  For further details, see Note 8, Employee Benefit Plans, in CSX's most recent annual report on Form 10-K.

NOTE 7. Debt and Credit Agreements

Total activity related to long-term debt as of the end of second quarter 2011 was as follows:

(Dollars in millions)	Current Portion			Long-term Portion			Total
Long-term debt as of December 2010	$	613		$	8,051		$	8,664
2011 activity:
Long-term debt issued	—			600			600
Long-term debt repaid	(570		)	—			(570		)
Reclassifications	456			(456		)	—
Debt conversions to CSX stock	(5		)	—			(5		)
Discount and premium activity	—			(9		)	(9		)
Long-term debt as of the end of second quarter 2011	$	494		$	8,186		$	8,680

For fair value information related to the Company's long-term debt, see Note 10, Fair Value Measurements.

15

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 7. Debt and Credit Agreements, continued

Debt Issuance

In May 2011, CSX issued $350 million of 4.25% notes due June 2021 and $250 million of 5.50% notes due April 2041. These notes are included in the consolidated balance sheets under long-term debt and may be redeemed by the Company at any time. The net proceeds from the sale of the notes will be used for general corporate purposes, which may include debt repayments from time to time, repurchases of CSX common stock, capital expenditures, working capital requirements, improvements in productivity and other cost reductions.

Revolving Credit Facility

CSX has a $1.25 billion unsecured revolving credit facility with a syndicate of banks. With the approval of the lending banks, CSX may increase its total borrowing capacity under the $1.25 billion facility by $500 million, or up to $1.75 billion. The facility allows borrowings at floating (LIBOR-based) interest rates, plus a spread, depending upon CSX's senior unsecured debt ratings. LIBOR is the London Interbank Offered Rate which is a daily reference rate based on the interest rates at which banks offer to lend unsecured funds. As of the end of second quarter 2011, this facility was not drawn on, and CSX was in compliance with all covenant requirements under the facility.  The current facility expires in May 2012 and the Company plans to renew or replace this facility prior to its expiration.

Receivables Securitization Facility

During the quarter, the Company renewed its $250 million receivables securitization facility through June 2012. This facility has a 364-day term. The purpose of this facility is to provide an alternative to commercial paper and a low cost source of short-term liquidity. As of the date of this filing, the Company has no outstanding balances under this facility. Under the terms of this facility, CSX Transportation transfers eligible third-party receivables to CSX Trade Receivables, a bankruptcy-remote special purpose subsidiary. A separate subsidiary of CSX will service the receivables. Upon transfer, the receivables become assets of CSX Trade Receivables and are not available to the creditors of CSX or any of its other subsidiaries. In the event CSX Trade Receivables draws under this facility, the Company will record an equivalent amount of debt on its consolidated financial statements.

NOTE 8. Other Income - Net

The Company derives income from items that are not considered operating activities. Income from these items is reported net of related expense. Other income - net consisted of the following:

	Second Quarters						Six Months
(Dollars in millions)	2011			2010			2011			2010
Interest Income	$	1		$	2		$	2		$	3
Income from Real Estate	5			8			8			15
Miscellaneous Income (Expense)	(6		)	(1		)	(5		)	2
Total Other Income - Net	$	—		$	9		$	5		$	20

16

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 9. Income Taxes

During the second quarter of 2011, several state legislative changes resulted in the recognition of a net income tax benefit of $14 million, or $0.01 per share. This benefit is primarily attributable to Indiana legislation reducing the corporate income tax rate.

During the second quarter of 2010, the Joint Committee of Taxation, which is a committee of the United States Congress, approved the refund related to the resolution of the 2004-2006 federal income tax audit. The final issue for this audit cycle related to a dispute over the value of the donation of appreciated property. The Company recorded a net tax and interest benefit of $15 million, or $0.01 per share, primarily related to the resolution of this audit in the second quarter of 2010.

There have been no material changes to the balance of unrecognized tax benefits during second quarter 2011.

NOTE 10. Fair Value Measurements

The Financial Instruments Topic in the ASC requiresdisclosures about fair value of financial instruments in annual reports as well as in quarterly reports. For CSX, this statement applies to certain investments and long-term debt. Disclosure of the fair value of pension plan assets is only required annually.

Various inputs are considered when determining the value of the Company's investments, pension plan assets and long-term debt. The inputs or methodologies used for valuing securities are not necessarily an indication of the risk associated with investing in these securities. These inputs are summarized in the three broad levels listed below.

• Level 1 - observable market inputs that are unadjusted quoted prices for identical assets or liabilities in active markets

• Level 2 - other significant observable inputs (including quoted prices for similar securities, interest rates, credit risk, etc.)

• Level 3 - significant unobservable inputs (including the Company's own assumptions in determining the fair value of investments)

The valuation methods described below may produce a fair value calculation that is not indicative of net realizable value or reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement at the reporting date.

17

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 10. Fair Value Measurements, continued

Investments

The Company's investment assets, valued by a third-party trustee, consist primarily of corporate bonds and are carried at fair value, on the consolidated balance sheet per the Fair Value Measurements and Disclosures Topic in theASC. Level 1 inputs were used to determine fair value of the Company's investment assets. The fair value and amortized cost of these bonds are as follows:

(Dollars in millions)	July 1, 2011		December 31, 2010
Fair Value	$	151	$	123
Amortized Cost	$	150	$	121

These investments have the following maturities:

(Dollars in millions)	July 1, 2011		December 31, 2010
Less than 1 year	$	30	$	44
1 - 2 years (a)	59		45
2 - 5 years (a)	62		31
Greater than 5 years	—		3
Total	$	151	$	123

(a) The 1-2 year category and the 2-5 year category include callable bonds of approximately $5 million for both 2011 and 2010, which are classified as short-term investments on the consolidated balance sheet.

Long-term Debt

Long-term debt is reported at carrying amount on the consolidated balance sheet and is the Company's only financial instrument with fair values significantly different from their carrying amounts.  The majority of the Company's long-term debt is valued by an independent third party. For those instruments not valued by the third party, the fair value has been estimated by applying market rates of similar instruments to the scheduled contractual debt payments and maturities. These market rates are provided by the same third party. All of the inputs used to determine the fair value of the Company's long-term debt are Level 2 inputs.

The fair value of outstanding debt fluctuates with changes in a number of factors. Such factors include, but are not limited to, interest rates, market conditions, values of similar financial instruments, size of the transaction, cash flow projections and comparable trades. Fair value will exceed carrying value when the current market interest rate is lower than the interest rate at which the debt was originally issued. The fair value of a company's debt is a measure of its current value under present market conditions. It does not impact the financial statements under current accounting rules.

18

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 10. Fair Value Measurements, continued

The fair value and carrying value of the Company's long-term debt is as follows:

(Dollars in millions)	July 1, 2011		December 31, 2010
Long-term Debt Including Current Maturities:
Fair Value	$	9,632	$	9,624
Carrying Value	$	8,680	$	8,664

NOTE 11.Summarized Consolidating Financial Data

In 2007, CSXT sold secured equipment notes maturing in 2023 and in 2008, CSXT sold additional secured equipment notes maturing in 2014 in registered public offerings. CSX has fully and unconditionally guaranteed the notes. In connection with the notes, the Company is providing the following condensed consolidating financial information in accordance with SEC disclosure requirements. Each entity in the consolidating financial information follows the same accounting policies as described in the consolidated financial statements, except for the use of the equity method of accounting to reflect ownership interests in subsidiaries which are eliminated upon consolidation and the allocation of certain expenses of CSX incurred for the benefit of its subsidiaries.

Condensed consolidating financial information for the obligor, CSXT, and parent guarantor, CSX, is as follows:

19

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 11.Summarized Consolidating Financial Data, continued

Consolidating Income Statements
(Dollars in millions)
Second Quarter 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	3,003		$	16		$	3,019
Expense	(67		)	2,222			(62		)	2,093
Operating Income	67			781			78			926
Equity in Earnings of Subsidiaries	540			2			(542		)	—
Interest (Expense) / Benefit	(121		)	(22		)	9			(134		)
Other Income - Net	4			—			(4		)	—
Earnings Before Income Taxes	490			761			(459		)	792
Income Tax (Expense) / Benefit	16			(275		)	(27		)	(286		)
Net Earnings	$	506		$	486		$	(486	)	$	506
Second Quarter 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	2,337		$	326		$	2,663
Expense	(46		)	1,672			269			1,895
Operating Income	46			665			57			768
Equity in Earnings of Subsidiaries	492			—			(492		)	—
Interest (Expense) / Benefit	(122		)	(27		)	14			(135		)
Other Income - Net	4			20			(15		)	9
Earnings Before Income Taxes	420			658			(436		)	642
Income Tax (Expense) / Benefit	(6		)	(236		)	14			(228		)
Net Earnings	$	414		$	422		$	(422	)	$	414

20

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 11.Summarized Consolidating Financial Data, continued

Consolidating Income Statements
(Dollars in millions)
Six Months Ended July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	5,797		$	32		$	5,829
Expense	(133		)	4,364			(101		)	4,130
Operating Income	133			1,433			133			1,699
Equity in Earnings of Subsidiaries	972			3			(975		)	—
Interest (Expense) / Benefit	(247		)	(45		)	18			(274		)
Other Income - Net	8			2			(5		)	5
Earnings Before Income Taxes	866			1,393			(829		)	1,430
Income Tax (Expense) / Benefit	35			(516		)	(48		)	(529		)
Net Earnings	$	901		$	877		$	(877	)	$	901
Six Months Ended June 25, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	4,489		$	665		$	5,154
Expense	(83		)	3,279			558			3,754
Operating Income	83			1,210			107			1,400
Equity in Earnings of Subsidiaries	889			—			(889		)	—
Interest (Expense) / Benefit	(248		)	(55		)	26			(277		)
Other Income - Net	10			38			(28		)	20
Earnings Before Income Taxes	734			1,193			(784		)	1,143
Income Tax (Expense) / Benefit	(15		)	(445		)	36			(424		)
Net Earnings	$	719		$	748		$	(748	)	$	719

21

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 11.Summarized Consolidating Financial Data, continued

Consolidating Balance Sheet
(Dollars in millions)
As of July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
ASSETS
Current Assets
Cash and Cash Equivalents	$	988		$	190		$	74		$	1,252
Short-term Investments	—			—			43			43
Accounts Receivable - Net	5			428			679			1,112
Receivable from Affiliates	1,158			1,443			(2,601		)	—
Materials and Supplies	—			251			—			251
Deferred Income Taxes	—			181			5			186
Other Current Assets	76			67			(20		)	123
Total Current Assets	2,227			2,560			(1,820		)	2,967
Properties	8			31,206			1,563			32,777
Accumulated Depreciation	(8		)	(7,683		)	(884		)	(8,575		)
Properties - Net	—			23,523			679			24,202
Investments in Conrail	—			—			681			681
Affiliates and Other Companies	—			558			(81		)	477
Investments in Consolidated Subsidiaries	16,926			—			(16,926		)	—
Other Long-term Assets	167			108			103			378
Total Assets	$	19,320		$	26,749		$	(17,364	)	$	28,705
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	107		$	938		$	31		$	1,076
Labor and Fringe Benefits Payable	34			373			23			430
Payable to Affiliates	2,251			568			(2,819		)	—
Casualty, Environmental and Other Reserves	—			165			15			180
Current Maturities of Long-term Debt	405			87			2			494
Income and Other Taxes Payable	465			126			(454		)	137
Other Current Liabilities	—			167			1			168
Total Current Liabilities	3,262			2,424			(3,201		)	2,485
Casualty, Environmental and Other Reserves	—			383			85			468
Long-term Debt	7,008			1,178			—			8,186
Deferred Income Taxes	(572		)	7,485			427			7,340
Other Long-term Liabilities	693			515			77			1,285
Total Liabilities	$	10,391		$	11,985		$	(2,612	)	$	19,764
Shareholders' Equity
Common Stock, $1 Par Value	1,095			181			(181		)	1,095
Other Capital	—			5,648			(5,648		)	—
Retained Earnings	8,582			8,980			(8,980		)	8,582
Accumulated Other Comprehensive Loss	(748		)	(64		)	65			(747		)
Noncontrolling Interest	—			19			(8		)	11
Total Shareholders' Equity	8,929			14,764			(14,752		)	8,941
Total Liabilities and Shareholders' Equity	$	19,320		$	26,749		$	(17,364	)	$	28,705

22

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 11.Summarized Consolidating Financial Data, continued

Consolidating Balance Sheet (Dollars in millions)
As of December 31, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
ASSETS
Current Assets
Cash and Cash Equivalents	$	1,100		$	118		$	74		$	1,292
Short-term Investments	—			—			54			54
Accounts Receivable - Net	5			447			541			993
Receivable from Affiliates	1,048			943			(1,991		)	—
Materials and Supplies	—			218			—			218
Deferred Income Taxes	15			171			6			192
Other Current Assets	46			56			4			106
Total Current Assets	2,214			1,953			(1,312		)	2,855
Properties	8			30,557			1,500			32,065
Accumulated Depreciation	(8		)	(7,405		)	(853		)	(8,266		)
Properties - Net	—			23,152			647			23,799
Investments in Conrail	—			—			673			673
Affiliates and Other Companies	—			595			(134		)	461
Investment in Consolidated Subsidiaries	16,278			—			(16,278		)	—
Other Long-term Assets	174			110			69			353
Total Assets	$	18,666		$	25,810		$	(16,335	)	$	28,141
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	116		$	904		$	26		$	1,046
Labor and Fringe Benefits Payable	42			431			47			520
Payable to Affiliates	1,942			401			(2,343		)	—
Casualty, Environmental and Other Reserves	—			161			15			176
Current Maturities of Long-term Debt	517			94			2			613
Income and Other Taxes Payable	378			109			(402		)	85
Other Current Liabilities	—			96			1			97
Total Current Liabilities	2,995			2,196			(2,654		)	2,537
Casualty, Environmental and Other Reserves	—			411			91			502
Long-term Debt	6,815			1,235			1			8,051
Deferred Income Taxes	(526		)	7,228			351			7,053
Other Long-term Liabilities	696			525			77			1,298
Total Liabilities	$	9,980		$	11,595		$	(2,134	)	$	19,441
Shareholders' Equity
Common Stock, $1 Par Value	370			181			(181		)	370
Other Capital	—			5,634			(5,634		)	—
Retained Earnings	9,087			8,443			(8,443		)	9,087
Accumulated Other Comprehensive Loss	(771		)	(65		)	65			(771		)
Noncontrolling Minority Interest	—			22			(8		)	14
Total Shareholders' Equity	8,686			14,215			(14,201		)	8,700
Total Liabilities and Shareholders' Equity	$	18,666		$	25,810		$	(16,335	)	$	28,141

23

CSX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 11.Summarized Consolidating Financial Data, continued

Consolidating Cash Flow Statements
(Dollars in millions)
Six months ended July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Operating Activities
Net Cash Provided by (Used in) Operating Activities	$	300		$	1,662		$	(375	)	$	1,587
Investing Activities
Property Additions	—			(866		)	(81		)	(947		)
Other Investing Activities	(16		)	(95		)	127			16
Net Cash Used in Investing Activities	(16		)	(961		)	46			(931		)
Financing Activities
Long-term Debt Issued	600			—			—			600
Long-term Debt Repaid	(507		)	(61		)	(2		)	(570		)
Dividends Paid	(233		)	(170		)	175			(228		)
Stock Options Exercised	24			—			—			24
Shares Repurchased	(528		)	—			—			(528		)
Other Financing Activities	248			(398		)	156			6
Net Cash (Used in) Provided by Financing Activities	(396		)	(629		)	329			(696		)
Net Decrease in Cash and Cash Equivalents	(112		)	72			—			(40		)
Cash and Cash Equivalents at Beginning of Period	1,100			118			74			1,292
Cash and Cash Equivalents at End of Period	$	988		$	190		$	74		$	1,252
Six months ended June 25, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Operating Activities
Net Cash Provided by Operating Activities	$	283		$	1,421		$	(282	)	$	1,422
Investing Activities
Property Additions	—			(648		)	(39		)	(687		)
Other Investing Activities	(4		)	(47		)	119			68
Net Cash Used in Investing Activities	(4		)	(695		)	80			(619		)
Financing Activities
Long-term Debt Repaid	—			(69		)	(2		)	(71		)
Dividends Paid	(188		)	(295		)	299			(184		)
Stock Options Exercised	16			—			—			16
Shares Repurchased	(823		)	—			—			(823		)
Other Financing Activities	233			(295		)	(75		)	(137		)
Net Cash (Used in) Provided by Financing Activities	(762		)	(659		)	222			(1,199		)
Net Increase (Decrease) in Cash and Cash Equivalents	(483		)	67			20			(396		)
Cash and Cash Equivalents at Beginning of Period	918			30			81			1,029
Cash and Cash Equivalents at End of Period	$	435		$	97		$	101		$	633

24

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

STRATEGIC OVERVIEW

The Company and the rail industry provide customers with access to an expansive and interconnected transportation network that plays a key role in North American commerce. CSX's network is positioned to reach nearly two-thirds of Americans, who account for the majority of the nation's consumption of goods. Through this network, the Company transports a broad portfolio of products, ranging from coal and new energy sources, like biodiesel and ethanol, to automobiles, chemicals, and consumer products.

Balanced Approach to Capital Deployment

CSX remains highly committed to delivering value to shareholders through a balanced approach to deploying capital that includes investments in infrastructure, dividend improvements and share repurchases. In 2011, the Company plans to invest approximately $2.2 billion, up from the previously announced $2 billion, to further enhance the capacity, quality and flexibility of its rail network. In addition, CSX continues to return value to its shareholders in the form of dividends and share repurchases. The Company has increased its quarterly cash dividend nine times over the last five years including the recently announced 38% increase to $0.12 per share on a post-split basis. During the quarter, CSX also announced a new $2 billion share repurchase authority expected to be completed by the end of 2012 based on market and business conditions. CSX completed its previous $3 billion share repurchase program in first quarter 2011. These actual repurchases along with the new authorization of $2 billion equal $5 billion expected to be repurchased through 2012.

Public-Private Partnerships

Key terminal expansions and infrastructure projects are important components of CSX's investment strategy. Strategic investments through public-private partnerships, including the National Gateway initiative, will provide enhanced transit times and improved service for customers. The National Gateway is a multi-year infrastructure initiative which will increase intermodal capacity on key corridors between Mid-Atlantic ports and the Midwest. Total project costs are approximately $850 million, of which the Company has already committed approximately $575 million. A key component of this initiative is the Company's new Northwest Ohio intermodal terminal that became operational during first quarter 2011. This high-capacity terminal expands service offerings to customers as well as improves market access to and from east coast ports. In addition, this terminal utilizes environmentally-friendly technology to further enhance the benefits freight rail provides. Other related projects include the expansion of the Virginia Avenue Tunnel in Washington, D.C. and construction for double-stack train clearances in Maryland, West Virginia and the District of Columbia.

CSX has entered into a transaction with the state of Florida to help alleviate congestion through a new commuter rail operation known as SunRail. CSX will sell the state a portion of its track for the new commuter rail and will invest all these funds for additional freight rail capacity and infrastructure within the state. This includes a new automotive and intermodal facility in central Florida. This transaction is projected to be cash neutral.

These long-term investments provide a foundation for volume growth and productivity improvement, enhanced customer service and safe and reliable operations. To continue these types of investments, the Company must be able to operate in an environment in which it can generate adequate returns and drive shareholder value.  CSX will continue to advocate for a fair and balanced regulatory environment to ensure that the value of the Company's rail service would be reflected in any potential new legislation or policies.

25

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

SECOND QUARTER 2011 HIGHLIGHTS

• Revenue increased $356 million or 13% to $3 billion, an all-time quarterly record, primarily driven by pricing above rail inflation, higher fuel recovery and increases in volume.

• Expenses increased $198 million or 10% to $2.1 billion driven mostly by higher fuel prices and also labor-related costs.

• Operating income increased $158 million or 21% to $926 million, an all-time quarterly record, and operating ratio improved to 69.3%, a second quarter record.

	Second Quarters						Six Months
(In thousands)	2011			2010			2011			2010
Volume	1,646			1,598			3,238			3,084
(In millions)
Revenue	$	3,019		$	2,663		$	5,829		$	5,154
Expense	2,093			1,895			4,130			3,754
Operating Income	$	926		$	768		$	1,699		$	1,400
Operating Ratio	69.3		%	71.2		%	70.9		%	72.8		%

CSX second quarter results reflect continued year-over-year volume and revenue growth as demand for rail service increased in the markets CSX serves. Revenue increased 13% from the prior year with volume higher in almost all markets with the greatest increases in intermodal, forest products, food & consumer and metals. Overall coal volume decreased due to weakness in utility coal partially offset by strong export demand. The volume gain of 3% along with ongoing emphasis on pricing above rail inflation and higher fuel recovery associated with the increase in fuel prices drove revenue-per-unit increases in all markets. 

While revenue grew 13%, expenses increased only 10%, versus the prior year quarter.  Total fuel costs increased $127 million primarily due to higher fuel prices. Labor-related costs increased primarily due to inflation and volume-related expenses. Included in these costs are hiring and training costs for new train and engine employees.  Excluding the rise in total fuel costs, total expenses only increased 4% year over year.

For additional information, refer to Results of Operations discussed on pages 30 through 33.

26

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

In addition to the financial highlights described above, the Company measures and reports safety and service performance.  The Company strives for continuous improvement in these measures through training, initiatives and investment. For example, the Company's safety and train accident prevention programs rely on broad employee involvement. The programs utilize operating rules training, compliance measurement, root cause analysis and communication that is intended to create a safer environment for employees and the public. Continued capital investment in the Company's assets, including track, bridges, signals, equipment and detection technology also supports safety performance.

The Company continued to advance its efforts on safety during second quarter 2011. The FRA reportable personal injuries frequency index improved to a company second quarter best of 0.89, a 22% improvement over 2010. The reported FRA train accident frequency rate improved 16% to 2.37.

Overall, network reliability and service improved from first quarter lows during the second quarter of 2011. However, key service measures in second quarter 2011 declined versus 2010. On-time train originations and arrivals declined to 68% and 56%, respectively.  Dwell time increased to 26.0 hours from 23.7 hours in second quarter 2010. Average train velocity declined 5% to 19.8 miles per hour.

The Company has taken steps to improve this performance, including increasing its workforce and adding locomotive resources to the system. These efforts have had favorable results as seen sequentially from the end of first quarter to the end of second quarter 2011. On-time train originations improved 15% to 68%, on-time arrivals improved 11% to 56%, train velocity improved 1% to 19.7 miles per hour, and dwell decreased 7% to 25.3 hours.

27

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Operating Statistics (Estimated)

		Second Quarters
		2011		2010		Improvement/ (Decline)
Safety and Service Measurements	FRA Personal Injury Frequency Index	0.89		1.14		22%
	FRA Train Accident Rate	2.37		2.83		16%
	On-Time Train Originations	68	%	78	%	(13)%
	On-Time Destination Arrivals	56	%	71	%	(21)%
	Dwell	26		23.7		(10)%
	Cars-On-Line	208,572		210,106		1%
	Train Velocity	19.8		20.9		(5)%
						Increase/(Decrease)
Resources	Route Miles	21,046		21,123		—%
	Locomotives (owned and long-term leased)	4,073		4,067		—%
	Freight Cars (owned and long-term leased)	77,599		80,471		(4)%

Key Performance Measures Definitions

FRA Personal Injury Frequency Index - Number of FRA-reportable injuries per 200,000 man-hours.

FRA Train Accident Rate - Number of FRA-reportable train accidents per million train-miles.

On-Time Train Originations - Average percent of scheduled road trains that depart the origin yard on-time or ahead of schedule.

On-Time Destination Arrivals - Average percent of scheduled road trains that arrive at the destination yard on-time to two hours late (30 minutes for intermodal trains).

Dwell - Average amount of time in hours between car arrival at and departure from the yard. It does not include cars moving through the yard on the same train.

Cars-On-Line - An average count of all cars on the network (does not include locomotives, cabooses, trailers, containers or maintenance equipment).

Train Velocity - Average train speed between terminals in miles per hour (does not include locals, yard jobs, work trains or passenger trains).

28

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

FINANCIAL RESULTS OF OPERATIONS

	Second Quarters											Six Months
	2011			2010			$ Change			% Change		2011			2010			$ Change			% Change
Revenue	$	3,019		$	2,663		$	356		13	%	$	5,829		$	5,154		$	675		13	%
Expense
Labor and Fringe	764			721			43			6	%	1,529			1,450			79			5	%
Materials, Supplies and Other	557			551			6			1	%	1,087			1,070			17			2	%
Fuel	431			304			127			42	%	833			587			246			42	%
Depreciation	246			230			16			7	%	489			458			31			7	%
Equipment and Other Rents	95			89			6			7	%	192			189			3			2	%
Total Expense	2,093			1,895			198			10	%	4,130			3,754			376			10	%
Operating Income	$	926		$	768		$	158		21	%	$	1,699		$	1,400		$	299		21	%
Interest Expense	(134		)	(135		)	1			(1	)%	(274		)	(277		)	3			(1	)%
Other Income - Net	—			9			(9		)	(100	)%	5			20			(15		)	(75	)%
Income Tax Expense	(286		)	(228		)	(58		)	25	%	(529		)	(424		)	(105		)	25	%
Net Earnings	$	506		$	414		$	92		22	%	$	901		$	719		$	182		25	%
Earnings Per Diluted Share(a)	0.46			$	0.36		$	0.10		28	%	0.81			$	0.61		$	0.20		33	%
Operating Ratio	69.3%			71.2		%	190			bps		70.9%			72.8		%	190			bps

(a) All share and per-share data have been retroactively restated for the stock split which was effective May 31, 2011.

Volume and Revenue (Unaudited)
Volume (Thousands of units); Revenue (Dollars in millions); Revenue Per Unit (Dollars)
Second Quarters
	Volume				Revenue						Revenue Per Unit
	2011	2010	% Change		2011		2010		% Change		2011		2010		% Change
Agricultural
Agricultural Products	109	107	2	%	$	273	$	255	7	%	$	2,505	$	2,383	5%
Phosphates and Fertilizers	80	80	—	%	119		109		9	%	1,488		1,363		9%
Food and Consumer	27	25	8	%	70		59		19	%	2,593		2,360		10%
Industrial
Chemicals	119	116	3	%	413		372		11	%	3,471		3,207		8%
Automotive	87	88	(1	)%	226		204		11	%	2,598		2,318		12%
Metals	68	65	5	%	158		140		13	%	2,324		2,154		8%
Housing and Construction
Emerging Markets	117	113	4	%	179		167		7	%	1,530		1,478		4%
Forest Products	70	65	8	%	174		150		16	%	2,486		2,308		8%
Total Merchandise	677	659	3	%	1,612		1,456		11	%	2,381		2,209		8%
Coal	388	401	(3	)%	958		835		15	%	2,469		2,082		19%
Intermodal	581	538	8	%	376		304		24	%	647		565		15%
Other	—	—	—	%	73		68		7	%	—		—		—	%
Total	1,646	1,598	3	%	$	3,019	$	2,663	13	%	$	1,834	$	1,666	10%

29

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Second Quarter 2011 Results of Operations

The Company achieved year-over-year volume and revenue growth as demand for rail service increased with the improving performance of the markets CSX serves. Volume was higher in most markets with the greatest volume increases in intermodal, forest products, food & consumer and metals. Overall coal volume decreased due to weakness in utility coal partially offset by strong export demand. Ongoing emphasis on pricing above rail inflation, along with higher fuel recovery associated with the increase in fuel prices drove revenue-per-unit increases in all markets.

Merchandise

Agricultural

Agricultural Products - Volume increased primarily due to more shipments of soybeans from the Midwest into the Southeast.

Phosphates and Fertilizers - Overall volume was flat, however, shipments of fertilizers grew as farmers domestically and abroad used more fertilizer to improve crop yields and replenished inventories. These increases were offset by reduced shipments of phosphate rock due to supply shortages.

Food and Consumer - Volume improved with increased consumer demand for alcoholic beverages. In addition, beer imports also improved with suppliers building inventory to meet expected demand.

Industrial

Chemicals - Growth occurred across most chemicals markets reflecting improvement in demand for intermediate products used in manufacturing consumer goods and automobiles. These products are key inputs in the production of both durable and nondurable goods as well as packaging.

Automotive - Automotive volume declined slightly as Japanese auto manufacturers producing cars in the U.S. were impacted by a lack of parts from suppliers affected by the disaster in Japan. This decrease was partially offset by increased production from the Big Three domestic automakers.

Metals - Volume growth was driven by continued increased shipments of sheet steel for domestic auto production and increased scrap shipments due to strong export demand and higher domestic steel production.

Housing and Construction

Emerging Markets - Volume increased due to improved shipments of cement, aggregates (which include crushed stone, sand and gravel) and waste as a result of overall growth in these markets.

Forest Products - Volume increased despite the weakness in housing-related markets with strength in shipments of pulp board and paper used in packaging for consumer products.

30

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Coal

Shipments of utility coal declined as natural gas prices remained low and utility stockpiles were at or slightly above normal levels. This decrease was partially offset by higher export shipments due to greater demand for U.S. coal in Europe, Asia and South America. The increase in revenue per unit reflects improved yield, fuel recovery and positive mix.

Intermodal

Strength in volume was primarily driven by the improving domestic and international markets CSX serves and new international gains as a result of the intermodal portfolio of service and network offerings. The increase in revenue per unit was driven by yield improvement and higher fuel recovery due to rising fuel prices.

Expense

Expenses increased $198 million from last year's second quarter. Variances are described below.

Labor and Fringe expense increased $43 million due to the following:

• Inflation-related expenses were $27 million higher during the quarter.

• Volume-related, new employee training and other expenses were $16 million higher during the quarter.

Materials, Supplies and Other expense increased $6 million due to the following:

• Volume-related (including increased expenses at coal piers and intermodal terminals), inflation and other expenses were collectively $36 million higher during the quarter.

• Offsetting these increases was a prior year net book loss on the sale of an operating property of $30 million.

Fuel expense increased $127 million primarily due to a 39% increase in average price per gallon as well as higher volume.

Depreciation increased $16 million primarily due to a higher asset base.

Equipment and Other Rents increased $6 million primarily related to volume growth.

31

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Consolidated Results of Operations

Interest Expense

         Interest expense decreased $1 million to $134 million primarily due to lower interest rates partially offset by higher average debt balances.

Other Income

Other income-net decreased $9 million primarily due to the reduction of expenses on non operating properties.

Income Tax Expense

Income tax expense increased $58 million to $286 million due to higher earnings. In addition, both years had a net favorable income tax benefit of approximately $14 million, or $0.01 per share. In 2011, this benefit was a result of several state legislative changes. In 2010, the benefit was attributable to the resolution of prior years' federal income tax audits.

Net Earnings

Net earnings increased $92 million to $506 million and earnings per diluted share increased $0.10 to $0.46 driven by the after-tax impact of business results due to revenue growth offset mainly by higher fuel expense.

Volume and Revenue(Unaudited)
Volume (Thousands of units); Revenue (Dollars in millions); Revenue Per Unit (Dollars)
Six Months
	Volume				Revenue						Revenue Per Unit
	2011	2010	% Change		2011		2010		% Change		2011		2010		% Change
Agricultural
Agricultural Products	218	221	(1	)%	$	533	$	522	2	%	$	2,445	$	2,362	4	%
Phosphates and Fertilizers	163	159	3	%	255		232		10	%	1,564		1,459		7	%
Food and Consumer	52	50	4	%	133		118		13	%	2,558		2,360		8	%
Industrial
Chemicals	236	228	4	%	807		723		12	%	3,419		3,171		8	%
Automotive	176	162	9	%	445		374		19	%	2,528		2,309		10	%
Metals	135	126	7	%	306		268		14	%	2,267		2,127		7	%
Housing and Construction
Emerging Markets	212	198	7	%	324		297		9	%	1,528		1,500		2	%
Forest Products	139	128	9	%	335		290		16	%	2,410		2,266		6	%
Total Merchandise	1,331	1,272	5	%	3,138		2,824		11	%	2,358		2,220		6	%
Coal	773	774	—	%	1,837		1,571		17	%	2,376		2,030		17	%
Intermodal	1,134	1,038	9	%	708		623		14	%	624		600		4	%
Other	—	—	—	%	146		136		7	%	—		—		—	%
Total	3,238	3,084	5	%	$	5,829	$	5,154	13	%	$	1,800	$	1,671	8	%

32

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Six Month Results of Operations

Consolidated Results of Operations

Revenue

Revenue increased $675 million to $5.8 billion as a result of volume increases in the markets CSX serves, emphasis on pricing above rail inflation, and higher fuel recovery due to an increase in fuel prices.

Operating Income

Operating income increased $299 million to $1.7 billion primarily due to higher revenue partially offset by increased fuel and labor related costs.

Interest Expense

     Interest expense decreased $3 million to $274 million primarily due to lower interest rates partially offset by higher average debt balances.

Other Income - Net

Other income - net decreased $15 million to $5 million primarily due to the reduction of expenses on non operating properties.

Income Tax Expense

Income tax expense increased $105 million to $529 million primarily due to higher earnings in 2011. 

Net Earnings

Net earnings increased $182 million to $901 million and earnings per diluted share increased $0.20 to $0.81 primarily due to higher revenue partially offset by increased fuel and labor related costs as well as increased tax expense.

LIQUIDITY AND CAPITAL RESOURCES

The following are material changes in the consolidated balance sheets and sources of liquidity and capital, which provide an update to the discussion included in CSX's most recent annual report on Form 10-K.

Material Changes in Consolidated Balance Sheets and Significant Cash Flows

Consolidated Balance Sheets

Total assets and liabilities plus shareholders' equity increased $564 million from year end. On the asset side, net properties increased $403 million. Deferred income tax liabilities also increased $287 million due to the net impact of bonus depreciation on tax accruals. Shareholders' equity was increased by net earnings of $901 million and partially offset by share repurchases of $528 million and dividends of $233 million.

33

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Consolidated Cash Flow Statements

Cash and cash equivalents as of the end of the second quarter 2011 increased $619 million to $1.3 billion compared to year end primarily as a result of:

• Operating activities - Cash provided by operating activities increased $165 million due to higher earnings and the net impact of bonus depreciation on tax accruals.  This increase was partially offset by higher accounts receivable related to higher revenue as well as larger incentive compensation payouts.  

• Investing activities - Cash used for investing increased mainly due to an increase in property additions of $260 million compared to last year.

• Financing activities - Cash used for financing decreased $503 million primarily as a result of fewer share repurchases compared to last year.  In addition, during 2010, CSX paid approximately $141 million to the debtholders as cash consideration in the exchange of debt securities. 

Liquidity and Working Capital

As of the end of six months 2011, CSX had approximately $1.3 billion of cash and cash equivalents. CSX also has a $1.25 billion credit facility with a diverse syndicate of banks that was not drawn on.  The current facility expires in May 2012 and the Company plans to renew or replace this facility prior to its expiration. CSX uses current cash balances for general corporate purposes, which may include capital expenditures, working capital requirements, improvements in productivity, dividend payments to shareholders and repurchases of CSX common stock. Additionally, in May 2011, CSX issued $600 million of new debt. See Note 7, Debt and Credit Agreements.

The Company's $250 million receivables securitization facility has a 364-day term and expires in June 2012. The purpose of this facility is to provide an alternative to commercial paper and a low cost source of short-term liquidity. As of the date of this filing, the Company has no outstanding balances under this facility. Under the terms of this facility, CSXT transfers eligible third-party receivables to CSX Trade Receivables, a bankruptcy-remote special purpose subsidiary. A separate subsidiary of CSX will service the receivables. Upon transfer, the receivables become assets of CSX Trade Receivables and are not available to the creditors of CSX or any of its other subsidiaries. In the event CSX Trade Receivables draws under this facility, the Company will record an equivalent amount of debt on its consolidated financial statements.

Working capital can also be considered a measure of a company's ability to meet its short-term needs. CSX had a working capital surplus of $482 million as of the end of second quarter 2011 and $318 million as of December 2010. The increase since December 2010 is primarily due to higher accounts receivable as a result of higher revenue generated in 2011.

The Company's working capital balance varies due to factors such as the timing of scheduled debt payments and changes in cash and cash equivalent balances as discussed above. The Company continues to maintain adequate current assets to satisfy current liabilities and maturing obligations when they come due. Furthermore, CSX has sufficient financial capacity, including its revolving credit facility, trade receivable facility and shelf registration statement to manage its day-to-day cash requirements and any anticipated obligations. The Company from time to time accesses the credit markets for additional liquidity.

34

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

CRITICAL ACCOUNTING ESTIMATES

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires that management make estimates in reporting the amounts of certain assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and certain revenues and expenses during the reporting period. Actual results may differ from those estimates. These estimates and assumptions are discussed with the Audit Committee of the Board of Directors on a regular basis. Consistent with the prior year, significant estimates using management judgment are made for the following areas:

• casualty, environmental and legal reserves;

• pension and post-retirement medical plan accounting;

• depreciation policies for assets under the group-life method; and

• income taxes.

For further discussion of CSX's critical accounting estimates, see the Company's most recent annual report on Form 10-K.

35

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

FORWARD-LOOKING STATEMENTS

Certain statements in this report and in other materials filed with the SEC, as well as information included in oral statements or other written statements made by the Company, are forward-looking statements. The Company intends for all such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and the provisions of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These forward-looking statements within the meaning of the Private Securities Litigation Reform Act may contain, among others, statements regarding:

• projections and estimates of earnings, revenues, volumes, rates, cost-savings, expenses, taxes or other financial items;

• expectations as to results of operations and operational initiatives;

• expectations as to the effect of claims, lawsuits, environmental costs, commitments, contingent liabilities, labor negotiations or agreements on the Company's financial condition, results of operations or liquidity;

• management's plans, strategies and objectives for future operations, capital expenditures, dividends, share repurchases, safety and service performance, proposed new services and other matters that are not historical facts, and management's expectations as to future performance and operations and the time by which objectives will be achieved; and

• future economic, industry or market conditions or performance and their effect on the Company's financial condition, results of operations or liquidity.

Forward-looking statements are typically identified by words or phrases such as “believe,” “expect,” “anticipate,” “project,” “estimate,” “preliminary” and similar expressions. The Company cautions against placing undue reliance on forward-looking statements, which reflect its good faith beliefs with respect to future events and are based on information currently available to it as of the date the forward-looking statement is made.    Forward-looking statements should not be read as a guarantee of future performance or results and will not necessarily be accurate indications of the timing when, or by which, such performance or results will be achieved. 

36

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

Forward-looking statements are subject to a number of risks and uncertainties and actual performance or results could differ materially from those anticipated by any forward-looking statements. The Company undertakes no obligation to update or revise any forward-looking statement. If the Company does update any forward-looking statement, no inference should be drawn that the Company will make additional updates with respect to that statement or any other forward-looking statements. The following important factors, in addition to those discussed in Part II, Item 1A (Risk Factors) of CSX's most recent annual report on Form 10-K and elsewhere in this report, may cause actual results to differ materially from those contemplated by any forward-looking statements:

• legislative, regulatory or legal developments involving transportation, including rail or intermodal transportation, the environment, hazardous materials, taxation, the potential enactment of initiatives to further regulate the rail industry and the ultimate outcome of shipper and rate claims subject to adjudication;

• the outcome of litigation and claims, including, but not limited to, those related to fuel surcharge, environmental matters, taxes, personal injuries and occupational illnesses;

• changes in domestic or international economic, political or business conditions, including those affecting the transportation industry (such as the impact of industry competition, conditions, performance and consolidation) and the level of demand for products carried by CSXT;

• natural events such as severe weather conditions, including floods, fire, hurricanes and earthquakes, a pandemic crisis affecting the health of the Company's employees, its shippers or the consumers of goods, or other unforeseen disruptions of the Company's operations, systems, property or equipment;

• competition from other modes of freight transportation, such as trucking and competition and consolidation within the transportation industry generally;

• the cost of compliance with laws and regulations that differ from expectations (including those associated with PTC implementation) and costs, penalties and operational impacts associated with noncompliance with applicable laws or regulations;

• the impact of increased passenger activities in capacity-constrained areas, including potential effects of high speed rail initiatives, or regulatory changes affecting when CSXT can transport freight or service routes;

• unanticipated conditions in the financial markets that may affect timely access to capital markets and the cost of capital, as well as management's decisions regarding share repurchases;

• changes in fuel prices, surcharges for fuel and the availability of fuel;

• availability of insurance coverage at commercially reasonable rates or insufficient insurance coverage to cover claims or damages;

• the inherent business risks associated with safety and security, including the availability and vulnerability of information technology, adverse economic or operational effects from actual or threatened war or terrorist activities and any governmental response;

37

CSX CORPORATION

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION

AND RESULTS OF OPERATIONS

• labor and benefit costs and labor difficulties, including stoppages affecting either the Company's operations or the customers' ability to deliver goods to the Company for shipment;

• the Company's success in implementing its strategic, financial and operational initiatives;

• changes in operating conditions and costs or commodity concentrations; and

• the inherent uncertainty associated with projecting economic and business conditions.

Other important assumptions and factors that could cause actual results to differ materially from those in the forward-looking statements are specified elsewhere in this report and in CSX's other SEC reports, accessible on the SEC's website at www.sec.gov and the Company's website at www.csx.com. The information on the CSX website is not part of this quarterly report on Form 10-Q.

38

CSX CORPORATION

PART I

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no material changes in market risk from the information provided under Part II, Item 7A (Quantitative and Qualitative Disclosures about Market Risk) of CSX's most recent annual report on Form 10-K.

Item 4. CONTROLS AND PROCEDURES

As of July 1, 2011, under the supervision and with the participation of CSX's Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), management has evaluated the effectiveness of the design and operation of the Company's disclosure controls and procedures. Based on that evaluation, the CEO and CFO concluded that, as of July 1, 2011, the Company's disclosure controls and procedures were effective at the reasonable assurance level in timely alerting them to material information required to be included in CSX's periodic SEC reports. There were no changes in the Company's internal controls over financial reporting during the second quarter of 2011 that have materially affected or are reasonably likely to materially affect the Company's internal control over financial reporting.

PART II - OTHER INFORMATION

Item 1. Legal Proceedings

Fuel Surcharge Antitrust Litigation

There were no material developments during the quarter concerning the fuel surcharge antitrust litigation. For further details, see Item 3, Legal Proceedings in Part I of CSX's most recent annual report on Form 10-K.

ITEM 1A. RISK FACTORS

For information regarding factors that could affect the Company's results of operations, financial condition and liquidity, see the risk factors discussed under Part II, Item 7 (Management's Discussion and Analysis of Financial Condition and Results of Operations) of CSX's most recent annual report on Form 10-K. See also Part I, Item 2 (Forward-Looking Statements) of this quarterly report on Form 10-Q. There have been no material changes from the risk factors previously disclosed in CSX's most recent annual report on Form 10-K.

39

CSX CORPORATION

PART II

ITEM 2. CSX Purchases of Equity Securities

CSX is required to disclose any purchases of its own common stock for the most recent quarter. CSX purchases its own shares for two primary reasons: to further its goals under its share repurchase program and to fund the Company’s contribution required to be paid in CSX common stock under a 401(k) plan which covers certain union employees.

In May 2011, CSX announced a new $2 billion share repurchase program. Under this program, the Company may purchase shares from time to time on the open market, through block trades or otherwise. CSX expects to complete these repurchases by the end of 2012 based on market and business conditions.

Share repurchase activity of $228 million for the second quarter 2011 was as follows:

	CSX Purchases of Equity Securities for the Quarter
Second Quarter (a)	Total Number of Shares Purchased	Average Price Paid per Share	Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (b)	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
Beginning Balance				$	—
April repurchases	240	25.40	—	—
May
Authority granted	—	—	—	2,000,000,000
May repurchases	120	25.09	—	2,000,000,000
June repurchases	9,085,677	25.04	9,085,677	1,772,524,393
Ending Balance	9,086,037	25.04	9,085,677	$	1,772,524,393

(a) Second quarter 2011 consisted of the following fiscal periods: April (April 2, 2011 - April 29, 2011), May (April 30, 2011 - May 27, 2011), June (May 28, 2011 - July 1, 2011).

(b) The difference of 360 shares between the “Total Number of Shares Purchased” and the “Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs” for the quarter represents shares purchased to fund the Company's contribution to a 401(k) plan that covers certain union employees.

40

CSX CORPORATION

PART II

Item 3. Defaults Upon Senior Securities

None

Item 4. (Removed and reserved)

Item 5. Other Information

None

Item 6. Exhibits

Exhibits

3     Articles of Amendment to CSX Corporation's Amended and Restated Articles of Incorporation (incorporated herein by reference to Exhibit 3.1 to the Registrant's Current Report on Form 8-K filed with the Commission on May 4, 2011).

10.1    CSX 2011-2013 Long-Term Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the Registrant's Current Report on Form 8-K filed with the Commission on May 5, 2011).

10.2    Amendment to Employment Agreement with David A. Brown (incorporated herein by reference to Exhibit 10.2 to the Registrant's Current Report on Form 8-K filed with the Commission on May 5, 2011).

31*     Rule 13a-14(a) Certifications.

32*     Section 1350 Certifications.

101*    The following financial information from CSX Corporation's Quarterly Report on Form 10-Q for the quarter ended July 1, 2011 filed with the SEC on July 21, 2011, formatted in XBRL includes: (i) consolidated income statements for the fiscal periods ended July 1, 2011 and June 25, 2010, (ii) consolidated balance sheets at July 1, 2011 and December 31, 2010, (iii) consolidated cash flow statements for the fiscal periods ended July 1, 2011 and June 25, 2010, and (iv) the notes to consolidated financial statements.

* Filed herewith

41

CSX CORPORATION

PART II

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

CSX CORPORATION

(Registrant)

By:/s/ Carolyn T. Sizemore___

Carolyn T. Sizemore

Vice President and Controller

(Principal Accounting Officer)

Dated: July 21, 2011

42

EX-31

Exhibit 31

CERTIFICATION OF CEO AND CFO PURSUANT TO EXCHANGE ACT RULE

13a - 14(a) OR RULE 15d-14(a)

I, Michael J. Ward, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of CSX Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: July 20, 2011

/s/ MICHAEL J. WARD

Michael J. Ward

Chairman, President and Chief Executive Officer

I, Oscar Munoz, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of CSX Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: July 20, 2011

/s/ OSCAR MUNOZ

Oscar Munoz

Executive Vice President and Chief Financial Officer

EX-32

Exhibit 32

CERTIFICATION OF CEO AND CFO REQUIRED BY RULE 13a-14(b) OR RULE 15D-14(b) AND SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE U.S. CODE

In connection with the Quarterly Report of CSX Corporation on Form 10-Q for the period ending July 1, 2011 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Michael J. Ward, Chief Executive Officer of the registrant, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to my knowledge, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the registrant.

Date: July 20, 2011

/s/ MICHAEL J. WARD

Michael J. Ward

Chairman, President and Chief Executive Officer

In connection with the Quarterly Report of CSX Corporation on Form 10-Q for the period ending July 1, 2011 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Oscar Munoz, Chief Financial Officer of the registrant, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to my knowledge, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the issuer.

Date: July 20, 2011

/s/ OSCAR MUNOZ

Oscar Munoz

Executive Vice President and Chief Financial Officer

XML



Document And Entity Information	6 Months Ended
	Jul. 01, 2011
Entity Information
Entity Registrant Name	CSX CORP
Entity Central Index Key	0000277948
Current Fiscal Year End Date	--12-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	1,095,281,506
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 01, 2011

XML



Commitments and Contingencies

6 Months Ended

Jul. 01, 2011

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Insurance

The Company maintains numerous insurance programs with substantial limits for property damage (which includes business interruption) and third-party liability.  A certain amount of risk is retained by the Company on each of the liability and property programs.  The Company has a $25 million retention per occurrence for the non-catastrophic property program and a $50 million retention per occurrence for the liability and catastrophic property programs.

While the Company's current insurance coverage is adequate to cover its damages, future claims could exceed existing insurance coverage or insurance may not continue to be available at commercially reasonable rates.

Legal Proceedings

For information related to the Company's legal proceedings, see Item 1, Legal proceedings in Part II of this quarterly report on Form 10-Q.

XML



Employee Benefit Plans

6 Months Ended

Jul. 01, 2011

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The Company sponsors defined benefit pension plans principally for salaried, management personnel.  The plans provide eligible employees with retirement benefits based predominantly on years of service and compensation rates near retirement.  For employees hired after December 31, 2002, benefits are determined based on a cash balance formula, which provides benefits by utilizing interest and pays credits based upon age, service and compensation.  In addition to these plans, the Company sponsors a self-insured post-retirement medical plan and a life insurance plan that provide benefits to full-time, salaried, management employees, hired prior to January 1, 2003, upon their retirement if certain eligibility requirements are met.  Prior to 2011, the post-retirement medical plan was partially funded by all participating retirees, with retiree contributions adjusted annually.  Beginning in 2011, Medicare-eligible retirees will be covered by a health reimbursement arrangement, which is an employer-funded account that can be used for reimbursement of eligible medical expenses. Non-Medicare eligible retirees will continue to be covered by the existing self-insured program.  The life insurance plan is non-contributory.

NOTE 6. Employee Benefit Plans, continued

The Company engages independent actuaries to compute the amounts of liabilities and expenses relating to these plans subject to the assumptions that the Company selects.  These amounts are reviewed by management.  The following table describes the components of expense/ (income) related to net benefit expense:

	Pension Benefits
(Dollars in millions)	Second Quarters						Six Months
	2011			2010			2011			2010
Service Cost	$	10		$	11		$	20		$	21
Interest Cost	30			30			60			61
Expected Return on Plan Assets	(40		)	(41		)	(79		)	(82		)
Amortization of Net Loss	18			14			36			29
Amortization of Prior Service Cost	—			(1		)	—			—
Total Expense	$	18		$	13		$	37		$	29
	Other Post-retirement Benefits
(Dollars in millions)	Second Quarters						Six Months
	2011			2010			2011			2010
Service Cost	$	1		$	1		$	2		$	2
Interest Cost	3			4			6			9
Amortization of Net Loss	2			2			3			4
Amortization of Prior Service Cost	(1		)	—			(1		)	—
Total Expense	$	5		$	7		$	10		$	15

Qualified pension plan obligations are funded in accordance with prescribed regulatory requirements and with an objective of meeting minimum funding requirements necessary to avoid restrictions on flexibility of plan operation and benefit payments.  At this time, the Company anticipates that no contributions to its qualified pension plans will be required in 2011.  For further details, see Note 8, Employee Benefit Plans, in CSX's most recent annual report on Form 10-K.

XML



Debt and Credit Agreements

6 Months Ended

Jul. 01, 2011

Debt Disclosure [Abstract]

Debt and Credit Agreements

Debt and Credit Agreements

Total activity related to long-term debt as of the end of second quarter 2011 was as follows:

(Dollars in millions)	Current Portion			Long-term Portion			Total
Long-term debt as of December 2010	$	613		$	8,051		$	8,664
2011 activity:
Long-term debt issued	—			600			600
Long-term debt repaid	(570		)	—			(570		)
Reclassifications	456			(456		)	—
Debt conversions to CSX stock	(5		)	—			(5		)
Discount and premium activity	—			(9		)	(9		)
Long-term debt as of the end of second quarter 2011	$	494		$	8,186		$	8,680

For fair value information related to the Company's long-term debt, see Note 10, Fair Value Measurements.

NOTE 7. Debt and Credit Agreements, continued

Debt Issuance

In May 2011, CSX issued $350 million of 4.25% notes due June 2021 and $250 million of 5.50% notes due April 2041. These notes are included in the consolidated balance sheets under long-term debt and may be redeemed by the Company at any time. The net proceeds from the sale of the notes will be used for general corporate purposes, which may include debt repayments from time to time, repurchases of CSX common stock, capital expenditures, working capital requirements, improvements in productivity and other cost reductions.

Revolving Credit Facility

CSX has a $1.25 billion unsecured revolving credit facility with a syndicate of banks. With the approval of the lending banks, CSX may increase its total borrowing capacity under the $1.25 billion facility by $500 million, or up to $1.75 billion. The facility allows borrowings at floating (LIBOR-based) interest rates, plus a spread, depending upon CSX's senior unsecured debt ratings. LIBOR is the London Interbank Offered Rate which is a daily reference rate based on the interest rates at which banks offer to lend unsecured funds. As of the end of second quarter 2011, this facility was not drawn on, and CSX was in compliance with all covenant requirements under the facility.  The current facility expires in May 2012 and the Company plans to renew or replace this facility prior to its expiration.

Receivables Securitization Facility

During the quarter, the Company renewed its $250 million receivables securitization facility through June 2012. This facility has a 364-day term. The purpose of this facility is to provide an alternative to commercial paper and a low cost source of short-term liquidity. As of the date of this filing, the Company has no outstanding balances under this facility. Under the terms of this facility, CSX Transportation transfers eligible third-party receivables to CSX Trade Receivables, a bankruptcy-remote special purpose subsidiary. A separate subsidiary of CSX will service the receivables. Upon transfer, the receivables become assets of CSX Trade Receivables and are not available to the creditors of CSX or any of its other subsidiaries. In the event CSX Trade Receivables draws under this facility, the Company will record an equivalent amount of debt on its consolidated financial statements.

XML



Other Income Net

6 Months Ended

Jul. 01, 2011

Other Income and Expenses [Abstract]

Other Income

Other Income - Net

The Company derives income from items that are not considered operating activities. Income from these items is reported net of related expense. Other income - net consisted of the following:

	Second Quarters						Six Months
(Dollars in millions)	2011			2010			2011			2010
Interest Income	$	1		$	2		$	2		$	3
Income from Real Estate	5			8			8			15
Miscellaneous Income (Expense)	(6		)	(1		)	(5		)	2
Total Other Income - Net	$	—		$	9		$	5		$	20

XML



Income Taxes

6 Months Ended

Jul. 01, 2011

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

During the second quarter of 2011, several state legislative changes resulted in the recognition of a net income tax benefit of $14 million, or $0.01 per share. This benefit is primarily attributable to Indiana legislation reducing the corporate income tax rate.

During the second quarter of 2010, the Joint Committee of Taxation, which is a committee of the United States Congress, approved the refund related to the resolution of the 2004-2006 federal income tax audit. The final issue for this audit cycle related to a dispute over the value of the donation of appreciated property. The Company recorded a net tax and interest benefit of $15 million, or $0.01 per share, primarily related to the resolution of this audit in the second quarter of 2010.

There have been no material changes to the balance of unrecognized tax benefits during second quarter 2011.

XML



Fair Value Measurements

6 Months Ended

Jul. 01, 2011

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The Financial Instruments Topic in the ASC requiresdisclosures about fair value of financial instruments in annual reports as well as in quarterly reports. For CSX, this statement applies to certain investments and long-term debt. Disclosure of the fair value of pension plan assets is only required annually.

Various inputs are considered when determining the value of the Company's investments, pension plan assets and long-term debt. The inputs or methodologies used for valuing securities are not necessarily an indication of the risk associated with investing in these securities. These inputs are summarized in the three broad levels listed below.

• Level 1 - observable market inputs that are unadjusted quoted prices for identical assets or liabilities in active markets

• Level 2 - other significant observable inputs (including quoted prices for similar securities, interest rates, credit risk, etc.)

• Level 3 - significant unobservable inputs (including the Company's own assumptions in determining the fair value of investments)

The valuation methods described below may produce a fair value calculation that is not indicative of net realizable value or reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement at the reporting date.

NOTE 10. Fair Value Measurements, continued

Investments

The Company's investment assets, valued by a third-party trustee, consist primarily of corporate bonds and are carried at fair value, on the consolidated balance sheet per the Fair Value Measurements and Disclosures Topic in theASC. Level 1 inputs were used to determine fair value of the Company's investment assets. The fair value and amortized cost of these bonds are as follows:

(Dollars in millions)	July 1, 2011		December 31, 2010
Fair Value	$	151	$	123
Amortized Cost	$	150	$	121

These investments have the following maturities:

(Dollars in millions)	July 1, 2011		December 31, 2010
Less than 1 year	$	30	$	44
1 - 2 years (a)	59		45
2 - 5 years (a)	62		31
Greater than 5 years	—		3
Total	$	151	$	123

(a) The 1-2 year category and the 2-5 year category include callable bonds of approximately $5 million for both 2011 and 2010, which are classified as short-term investments on the consolidated balance sheet.

Long-term Debt

Long-term debt is reported at carrying amount on the consolidated balance sheet and is the Company's only financial instrument with fair values significantly different from their carrying amounts.  The majority of the Company's long-term debt is valued by an independent third party. For those instruments not valued by the third party, the fair value has been estimated by applying market rates of similar instruments to the scheduled contractual debt payments and maturities. These market rates are provided by the same third party. All of the inputs used to determine the fair value of the Company's long-term debt are Level 2 inputs.

The fair value of outstanding debt fluctuates with changes in a number of factors. Such factors include, but are not limited to, interest rates, market conditions, values of similar financial instruments, size of the transaction, cash flow projections and comparable trades. Fair value will exceed carrying value when the current market interest rate is lower than the interest rate at which the debt was originally issued. The fair value of a company's debt is a measure of its current value under present market conditions. It does not impact the financial statements under current accounting rules.

NOTE 10. Fair Value Measurements, continued

The fair value and carrying value of the Company's long-term debt is as follows:

(Dollars in millions)	July 1, 2011		December 31, 2010
Long-term Debt Including Current Maturities:
Fair Value	$	9,632	$	9,624
Carrying Value	$	8,680	$	8,664

XML



Summarized Consolidating Financial Data

6 Months Ended

Jul. 01, 2011

Summarized Consolidating Financial Data [Abstract]

Summarized Consolidating Financial Data

Summarized Consolidating Financial Data

In 2007, CSXT sold secured equipment notes maturing in 2023 and in 2008, CSXT sold additional secured equipment notes maturing in 2014 in registered public offerings. CSX has fully and unconditionally guaranteed the notes. In connection with the notes, the Company is providing the following condensed consolidating financial information in accordance with SEC disclosure requirements. Each entity in the consolidating financial information follows the same accounting policies as described in the consolidated financial statements, except for the use of the equity method of accounting to reflect ownership interests in subsidiaries which are eliminated upon consolidation and the allocation of certain expenses of CSX incurred for the benefit of its subsidiaries.

Condensed consolidating financial information for the obligor, CSXT, and parent guarantor, CSX, is as follows:

Consolidating Income Statements
(Dollars in millions)
Second Quarter 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	3,003		$	16		$	3,019
Expense	(67		)	2,222			(62		)	2,093
Operating Income	67			781			78			926
Equity in Earnings of Subsidiaries	540			2			(542		)	—
Interest (Expense) / Benefit	(121		)	(22		)	9			(134		)
Other Income - Net	4			—			(4		)	—
Earnings Before Income Taxes	490			761			(459		)	792
Income Tax (Expense) / Benefit	16			(275		)	(27		)	(286		)
Net Earnings	$	506		$	486		$	(486	)	$	506
Second Quarter 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	2,337		$	326		$	2,663
Expense	(46		)	1,672			269			1,895
Operating Income	46			665			57			768
Equity in Earnings of Subsidiaries	492			—			(492		)	—
Interest (Expense) / Benefit	(122		)	(27		)	14			(135		)
Other Income - Net	4			20			(15		)	9
Earnings Before Income Taxes	420			658			(436		)	642
Income Tax (Expense) / Benefit	(6		)	(236		)	14			(228		)
Net Earnings	$	414		$	422		$	(422	)	$	414

Consolidating Income Statements
(Dollars in millions)
Six Months Ended July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	5,797		$	32		$	5,829
Expense	(133		)	4,364			(101		)	4,130
Operating Income	133			1,433			133			1,699
Equity in Earnings of Subsidiaries	972			3			(975		)	—
Interest (Expense) / Benefit	(247		)	(45		)	18			(274		)
Other Income - Net	8			2			(5		)	5
Earnings Before Income Taxes	866			1,393			(829		)	1,430
Income Tax (Expense) / Benefit	35			(516		)	(48		)	(529		)
Net Earnings	$	901		$	877		$	(877	)	$	901
Six Months Ended June 25, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	4,489		$	665		$	5,154
Expense	(83		)	3,279			558			3,754
Operating Income	83			1,210			107			1,400
Equity in Earnings of Subsidiaries	889			—			(889		)	—
Interest (Expense) / Benefit	(248		)	(55		)	26			(277		)
Other Income - Net	10			38			(28		)	20
Earnings Before Income Taxes	734			1,193			(784		)	1,143
Income Tax (Expense) / Benefit	(15		)	(445		)	36			(424		)
Net Earnings	$	719		$	748		$	(748	)	$	719

Consolidating Balance Sheet
(Dollars in millions)
As of July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
ASSETS
Current Assets
Cash and Cash Equivalents	$	988		$	190		$	74		$	1,252
Short-term Investments	—			—			43			43
Accounts Receivable - Net	5			428			679			1,112
Receivable from Affiliates	1,158			1,443			(2,601		)	—
Materials and Supplies	—			251			—			251
Deferred Income Taxes	—			181			5			186
Other Current Assets	76			67			(20		)	123
Total Current Assets	2,227			2,560			(1,820		)	2,967
Properties	8			31,206			1,563			32,777
Accumulated Depreciation	(8		)	(7,683		)	(884		)	(8,575		)
Properties - Net	—			23,523			679			24,202
Investments in Conrail	—			—			681			681
Affiliates and Other Companies	—			558			(81		)	477
Investments in Consolidated Subsidiaries	16,926			—			(16,926		)	—
Other Long-term Assets	167			108			103			378
Total Assets	$	19,320		$	26,749		$	(17,364	)	$	28,705
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	107		$	938		$	31		$	1,076
Labor and Fringe Benefits Payable	34			373			23			430
Payable to Affiliates	2,251			568			(2,819		)	—
Casualty, Environmental and Other Reserves	—			165			15			180
Current Maturities of Long-term Debt	405			87			2			494
Income and Other Taxes Payable	465			126			(454		)	137
Other Current Liabilities	—			167			1			168
Total Current Liabilities	3,262			2,424			(3,201		)	2,485
Casualty, Environmental and Other Reserves	—			383			85			468
Long-term Debt	7,008			1,178			—			8,186
Deferred Income Taxes	(572		)	7,485			427			7,340
Other Long-term Liabilities	693			515			77			1,285
Total Liabilities	$	10,391		$	11,985		$	(2,612	)	$	19,764
Shareholders' Equity
Common Stock, $1 Par Value	1,095			181			(181		)	1,095
Other Capital	—			5,648			(5,648		)	—
Retained Earnings	8,582			8,980			(8,980		)	8,582
Accumulated Other Comprehensive Loss	(748		)	(64		)	65			(747		)
Noncontrolling Interest	—			19			(8		)	11
Total Shareholders' Equity	8,929			14,764			(14,752		)	8,941
Total Liabilities and Shareholders' Equity	$	19,320		$	26,749		$	(17,364	)	$	28,705

Consolidating Balance Sheet (Dollars in millions)
As of December 31, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
ASSETS
Current Assets
Cash and Cash Equivalents	$	1,100		$	118		$	74		$	1,292
Short-term Investments	—			—			54			54
Accounts Receivable - Net	5			447			541			993
Receivable from Affiliates	1,048			943			(1,991		)	—
Materials and Supplies	—			218			—			218
Deferred Income Taxes	15			171			6			192
Other Current Assets	46			56			4			106
Total Current Assets	2,214			1,953			(1,312		)	2,855
Properties	8			30,557			1,500			32,065
Accumulated Depreciation	(8		)	(7,405		)	(853		)	(8,266		)
Properties - Net	—			23,152			647			23,799
Investments in Conrail	—			—			673			673
Affiliates and Other Companies	—			595			(134		)	461
Investment in Consolidated Subsidiaries	16,278			—			(16,278		)	—
Other Long-term Assets	174			110			69			353
Total Assets	$	18,666		$	25,810		$	(16,335	)	$	28,141
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	116		$	904		$	26		$	1,046
Labor and Fringe Benefits Payable	42			431			47			520
Payable to Affiliates	1,942			401			(2,343		)	—
Casualty, Environmental and Other Reserves	—			161			15			176
Current Maturities of Long-term Debt	517			94			2			613
Income and Other Taxes Payable	378			109			(402		)	85
Other Current Liabilities	—			96			1			97
Total Current Liabilities	2,995			2,196			(2,654		)	2,537
Casualty, Environmental and Other Reserves	—			411			91			502
Long-term Debt	6,815			1,235			1			8,051
Deferred Income Taxes	(526		)	7,228			351			7,053
Other Long-term Liabilities	696			525			77			1,298
Total Liabilities	$	9,980		$	11,595		$	(2,134	)	$	19,441
Shareholders' Equity
Common Stock, $1 Par Value	370			181			(181		)	370
Other Capital	—			5,634			(5,634		)	—
Retained Earnings	9,087			8,443			(8,443		)	9,087
Accumulated Other Comprehensive Loss	(771		)	(65		)	65			(771		)
Noncontrolling Minority Interest	—			22			(8		)	14
Total Shareholders' Equity	8,686			14,215			(14,201		)	8,700
Total Liabilities and Shareholders' Equity	$	18,666		$	25,810		$	(16,335	)	$	28,141

Consolidating Cash Flow Statements
(Dollars in millions)
Six months ended July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Operating Activities
Net Cash Provided by (Used in) Operating Activities	$	300		$	1,662		$	(375	)	$	1,587
Investing Activities
Property Additions	—			(866		)	(81		)	(947		)
Other Investing Activities	(16		)	(95		)	127			16
Net Cash Used in Investing Activities	(16		)	(961		)	46			(931		)
Financing Activities
Long-term Debt Issued	600			—			—			600
Long-term Debt Repaid	(507		)	(61		)	(2		)	(570		)
Dividends Paid	(233		)	(170		)	175			(228		)
Stock Options Exercised	24			—			—			24
Shares Repurchased	(528		)	—			—			(528		)
Other Financing Activities	248			(398		)	156			6
Net Cash (Used in) Provided by Financing Activities	(396		)	(629		)	329			(696		)
Net Decrease in Cash and Cash Equivalents	(112		)	72			—			(40		)
Cash and Cash Equivalents at Beginning of Period	1,100			118			74			1,292
Cash and Cash Equivalents at End of Period	$	988		$	190		$	74		$	1,252
Six months ended June 25, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Operating Activities
Net Cash Provided by Operating Activities	$	283		$	1,421		$	(282	)	$	1,422
Investing Activities
Property Additions	—			(648		)	(39		)	(687		)
Other Investing Activities	(4		)	(47		)	119			68
Net Cash Used in Investing Activities	(4		)	(695		)	80			(619		)
Financing Activities
Long-term Debt Repaid	—			(69		)	(2		)	(71		)
Dividends Paid	(188		)	(295		)	299			(184		)
Stock Options Exercised	16			—			—			16
Shares Repurchased	(823		)	—			—			(823		)
Other Financing Activities	233			(295		)	(75		)	(137		)
Net Cash (Used in) Provided by Financing Activities	(762		)	(659		)	222			(1,199		)
Net Increase (Decrease) in Cash and Cash Equivalents	(483		)	67			20			(396		)
Cash and Cash Equivalents at Beginning of Period	918			30			81			1,029
Cash and Cash Equivalents at End of Period	$	435		$	97		$	101		$	633

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Earnings Per Share (Tables)

6 Months Ended

Jul. 01, 2011

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The following table sets forth the computation of basic earnings per share and earnings per share, assuming dilution:

	Second Quarters				Six Months
	2011		2010		2011		2010
Numerator (Dollars in millions):
Net Earnings	$	506	$	414	$	901	$	719
Denominator (Units in millions):
Average Common Shares Outstanding	1,102		1,149		1,105		1,161
Other Potentially Dilutive Common Shares (a)	7		10		7		10
Average Common Shares Outstanding, Assuming Dilution	1,109		1,159		1,112		1,171
Net Earnings Per Share, Basic	$	0.46	$	0.36	$	0.81	$	0.62
Net Earnings Per Share, Assuming Dilution	$	0.46	$	0.36	$	0.81	$	0.61

(a) Other potentially dilutive common shares include convertible debt, stock options, common stock equivalents and performance units granted under a management incentive compen

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Share-Based Compensation (Tables)

6 Months Ended

Jul. 01, 2011

Share-based Compensation [Abstract]

Share-based compensation and related income tax benefit

Total pre-tax expense associated with all share-based compensation and its related income tax benefit is as follows:

	Second Quarters				Six Months
(Dollars in millions)	2011		2010		2011		2010
Share-Based Compensation Expense	$	11	$	9	$	22	$	32
Income Tax Benefit	4		3		8		12

Stock options exercised

The following table provides information about stock options exercised and expired.

	Second Quarters		Six Months
(In thousands)	2011	2010	2011	2010
Number of Stock Options Exercised	675	1,662	3,954	2,739
Number of Stock Options Expired	21	—	21	—

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Casualty, Environmental and Other Reserves (Tables)

6 Months Ended

Jul. 01, 2011

Casualty, Environmental and Other Reserves [Abstract]

Casualty, environmental and other reserves

Casualty, environmental and other reserves are considered critical accounting estimates that involve significant management judgments. They are provided for in the consolidated balance sheets as follows:

	July 1, 2011						December 31, 2010
(Dollars in millions)	Current		Long-term		Total		Current		Long-term		Total
Casualty:
Personal Injury	$	78	$	178	$	256	$	78	$	176	$	254
Occupational	10		32		42		10		30		40
Asbestos	9		61		70		9		72		81
Total Casualty	97		271		368		97		278		375
Separation	16		38		54		16		44		60
Environmental	37		56		93		37		70		107
Other	30		103		133		26		110		136
Total	$	180	$	468	$	648	$	176	$	502	$	678

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CONSOLIDATED INCOME STATEMENTS (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 01, 2011		Jun. 25, 2010		Jul. 01, 2011		Jun. 25, 2010
Income Statement
Revenue	$ 3,019		$ 2,663		$ 5,829		$ 5,154
Expense
Labor and Fringe	764		721		1,529		1,450
Materials, Supplies and Other	557		551		1,087		1,070
Fuel	431		304		833		587
Depreciation	246		230		489		458
Equipment and Other Rents	95		89		192		189
Total Expense	2,093		1,895		4,130		3,754
Operating Income	926		768		1,699		1,400
Interest Expense	(134)		(135)		(274)		(277)
Other Income - Net (Note 8)	0		9		5		20
Earnings Before Income Taxes	792		642		1,430		1,143
Income Tax Expense (Note 9)	(286)		(228)		(529)		(424)
Net Earnings	$ 506		$ 414		$ 901		$ 719
Per Common Share (Note 2)
Net Earnings Per Share, Basic	$ 0.46	[1]	$ 0.36	[1]	$ 0.81	[1]	$ 0.62	[1]
Net Earnings Per Share, Assuming Dilution	$ 0.46	[1]	$ 0.36	[1]	$ 0.81	[1]	$ 0.61	[1]
Average Shares Outstanding	1,102,409	[1]	1,149,492	[1]	1,105,228	[1]	1,161,365	[1]
Average Shares Outstanding, Assuming Dilution	1,109,015	[1]	1,159,173	[1]	1,111,886	[1]	1,171,071	[1]
Cash Dividends Paid Per Common Share	$ 0.12		$ 0.08		$ 0.21		$ 0.16

[1] All share and per share data were retroactively restated to reflect the stock split effective May 31, 2011.

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Employee Benefit Plans (Tables)

6 Months Ended

Jul. 01, 2011

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Components of expense/(income) related to net benefit expense

The following table describes the components of expense/ (income) related to net benefit expense:

	Pension Benefits
(Dollars in millions)	Second Quarters						Six Months
	2011			2010			2011			2010
Service Cost	$	10		$	11		$	20		$	21
Interest Cost	30			30			60			61
Expected Return on Plan Assets	(40		)	(41		)	(79		)	(82		)
Amortization of Net Loss	18			14			36			29
Amortization of Prior Service Cost	—			(1		)	—			—
Total Expense	$	18		$	13		$	37		$	29
	Other Post-retirement Benefits
(Dollars in millions)	Second Quarters						Six Months
	2011			2010			2011			2010
Service Cost	$	1		$	1		$	2		$	2
Interest Cost	3			4			6			9
Amortization of Net Loss	2			2			3			4
Amortization of Prior Service Cost	(1		)	—			(1		)	—
Total Expense	$	5		$	7		$	10		$	15

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Debt and Credit Agreements (Tables)

6 Months Ended

Jul. 01, 2011

Debt Disclosure [Abstract]

Activity related to long-term debt

Total activity related to long-term debt as of the end of second quarter 2011 was as follows:

(Dollars in millions)	Current Portion			Long-term Portion			Total
Long-term debt as of December 2010	$	613		$	8,051		$	8,664
2011 activity:
Long-term debt issued	—			600			600
Long-term debt repaid	(570		)	—			(570		)
Reclassifications	456			(456		)	—
Debt conversions to CSX stock	(5		)	—			(5		)
Discount and premium activity	—			(9		)	(9		)
Long-term debt as of the end of second quarter 2011	$	494		$	8,186		$	8,680

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Other Income (Tables)

6 Months Ended

Jul. 01, 2011

Other Income and Expenses [Abstract]

Other income - Net (Table)

Other income - net consisted of the following:

	Second Quarters						Six Months
(Dollars in millions)	2011			2010			2011			2010
Interest Income	$	1		$	2		$	2		$	3
Income from Real Estate	5			8			8			15
Miscellaneous Income (Expense)	(6		)	(1		)	(5		)	2
Total Other Income - Net	$	—		$	9		$	5		$	20

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Fair Value Measurements (Tables)

6 Months Ended

Jul. 01, 2011

Fair Value Disclosures [Abstract]

Fair value and amortized cost of investments

The fair value and amortized cost of these bonds are as follows:

(Dollars in millions)	July 1, 2011		December 31, 2010
Fair Value	$	151	$	123
Amortized Cost	$	150	$	121

Schedule of investment maturities

These investments have the following maturities:

(Dollars in millions)	July 1, 2011		December 31, 2010
Less than 1 year	$	30	$	44
1 - 2 years (a)	59		45
2 - 5 years (a)	62		31
Greater than 5 years	—		3
Total	$	151	$	123

(a) The 1-2 year category and the 2-5 year category include callable bonds of approximately $5 million for both 2011 and 2010, which are classified as short-term investments on the consolidated balance sheet.

Fair value and carrying value of long-term debt

The fair value and carrying value of the Company's long-term debt is as follows:

(Dollars in millions)	July 1, 2011		December 31, 2010
Long-term Debt Including Current Maturities:
Fair Value	$	9,632	$	9,624
Carrying Value	$	8,680	$	8,664

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Summarized Consolidating Financial Data (Tables)

6 Months Ended

Jul. 01, 2011

Summarized Consolidating Financial Data [Abstract]

Consolidating Income Statement

Consolidating Income Statements
(Dollars in millions)
Second Quarter 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	3,003		$	16		$	3,019
Expense	(67		)	2,222			(62		)	2,093
Operating Income	67			781			78			926
Equity in Earnings of Subsidiaries	540			2			(542		)	—
Interest (Expense) / Benefit	(121		)	(22		)	9			(134		)
Other Income - Net	4			—			(4		)	—
Earnings Before Income Taxes	490			761			(459		)	792
Income Tax (Expense) / Benefit	16			(275		)	(27		)	(286		)
Net Earnings	$	506		$	486		$	(486	)	$	506
Second Quarter 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	2,337		$	326		$	2,663
Expense	(46		)	1,672			269			1,895
Operating Income	46			665			57			768
Equity in Earnings of Subsidiaries	492			—			(492		)	—
Interest (Expense) / Benefit	(122		)	(27		)	14			(135		)
Other Income - Net	4			20			(15		)	9
Earnings Before Income Taxes	420			658			(436		)	642
Income Tax (Expense) / Benefit	(6		)	(236		)	14			(228		)
Net Earnings	$	414		$	422		$	(422	)	$	414

Consolidating Income Statements
(Dollars in millions)
Six Months Ended July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	5,797		$	32		$	5,829
Expense	(133		)	4,364			(101		)	4,130
Operating Income	133			1,433			133			1,699
Equity in Earnings of Subsidiaries	972			3			(975		)	—
Interest (Expense) / Benefit	(247		)	(45		)	18			(274		)
Other Income - Net	8			2			(5		)	5
Earnings Before Income Taxes	866			1,393			(829		)	1,430
Income Tax (Expense) / Benefit	35			(516		)	(48		)	(529		)
Net Earnings	$	901		$	877		$	(877	)	$	901
Six Months Ended June 25, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Revenue	$	—		$	4,489		$	665		$	5,154
Expense	(83		)	3,279			558			3,754
Operating Income	83			1,210			107			1,400
Equity in Earnings of Subsidiaries	889			—			(889		)	—
Interest (Expense) / Benefit	(248		)	(55		)	26			(277		)
Other Income - Net	10			38			(28		)	20
Earnings Before Income Taxes	734			1,193			(784		)	1,143
Income Tax (Expense) / Benefit	(15		)	(445		)	36			(424		)
Net Earnings	$	719		$	748		$	(748	)	$	719

Consolidating Balance Sheet

Consolidating Balance Sheet
(Dollars in millions)
As of July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
ASSETS
Current Assets
Cash and Cash Equivalents	$	988		$	190		$	74		$	1,252
Short-term Investments	—			—			43			43
Accounts Receivable - Net	5			428			679			1,112
Receivable from Affiliates	1,158			1,443			(2,601		)	—
Materials and Supplies	—			251			—			251
Deferred Income Taxes	—			181			5			186
Other Current Assets	76			67			(20		)	123
Total Current Assets	2,227			2,560			(1,820		)	2,967
Properties	8			31,206			1,563			32,777
Accumulated Depreciation	(8		)	(7,683		)	(884		)	(8,575		)
Properties - Net	—			23,523			679			24,202
Investments in Conrail	—			—			681			681
Affiliates and Other Companies	—			558			(81		)	477
Investments in Consolidated Subsidiaries	16,926			—			(16,926		)	—
Other Long-term Assets	167			108			103			378
Total Assets	$	19,320		$	26,749		$	(17,364	)	$	28,705
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	107		$	938		$	31		$	1,076
Labor and Fringe Benefits Payable	34			373			23			430
Payable to Affiliates	2,251			568			(2,819		)	—
Casualty, Environmental and Other Reserves	—			165			15			180
Current Maturities of Long-term Debt	405			87			2			494
Income and Other Taxes Payable	465			126			(454		)	137
Other Current Liabilities	—			167			1			168
Total Current Liabilities	3,262			2,424			(3,201		)	2,485
Casualty, Environmental and Other Reserves	—			383			85			468
Long-term Debt	7,008			1,178			—			8,186
Deferred Income Taxes	(572		)	7,485			427			7,340
Other Long-term Liabilities	693			515			77			1,285
Total Liabilities	$	10,391		$	11,985		$	(2,612	)	$	19,764
Shareholders' Equity
Common Stock, $1 Par Value	1,095			181			(181		)	1,095
Other Capital	—			5,648			(5,648		)	—
Retained Earnings	8,582			8,980			(8,980		)	8,582
Accumulated Other Comprehensive Loss	(748		)	(64		)	65			(747		)
Noncontrolling Interest	—			19			(8		)	11
Total Shareholders' Equity	8,929			14,764			(14,752		)	8,941
Total Liabilities and Shareholders' Equity	$	19,320		$	26,749		$	(17,364	)	$	28,705

Consolidating Balance Sheet (Dollars in millions)
As of December 31, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
ASSETS
Current Assets
Cash and Cash Equivalents	$	1,100		$	118		$	74		$	1,292
Short-term Investments	—			—			54			54
Accounts Receivable - Net	5			447			541			993
Receivable from Affiliates	1,048			943			(1,991		)	—
Materials and Supplies	—			218			—			218
Deferred Income Taxes	15			171			6			192
Other Current Assets	46			56			4			106
Total Current Assets	2,214			1,953			(1,312		)	2,855
Properties	8			30,557			1,500			32,065
Accumulated Depreciation	(8		)	(7,405		)	(853		)	(8,266		)
Properties - Net	—			23,152			647			23,799
Investments in Conrail	—			—			673			673
Affiliates and Other Companies	—			595			(134		)	461
Investment in Consolidated Subsidiaries	16,278			—			(16,278		)	—
Other Long-term Assets	174			110			69			353
Total Assets	$	18,666		$	25,810		$	(16,335	)	$	28,141
LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities
Accounts Payable	$	116		$	904		$	26		$	1,046
Labor and Fringe Benefits Payable	42			431			47			520
Payable to Affiliates	1,942			401			(2,343		)	—
Casualty, Environmental and Other Reserves	—			161			15			176
Current Maturities of Long-term Debt	517			94			2			613
Income and Other Taxes Payable	378			109			(402		)	85
Other Current Liabilities	—			96			1			97
Total Current Liabilities	2,995			2,196			(2,654		)	2,537
Casualty, Environmental and Other Reserves	—			411			91			502
Long-term Debt	6,815			1,235			1			8,051
Deferred Income Taxes	(526		)	7,228			351			7,053
Other Long-term Liabilities	696			525			77			1,298
Total Liabilities	$	9,980		$	11,595		$	(2,134	)	$	19,441
Shareholders' Equity
Common Stock, $1 Par Value	370			181			(181		)	370
Other Capital	—			5,634			(5,634		)	—
Retained Earnings	9,087			8,443			(8,443		)	9,087
Accumulated Other Comprehensive Loss	(771		)	(65		)	65			(771		)
Noncontrolling Minority Interest	—			22			(8		)	14
Total Shareholders' Equity	8,686			14,215			(14,201		)	8,700
Total Liabilities and Shareholders' Equity	$	18,666		$	25,810		$	(16,335	)	$	28,141

Consolidating Cash Flow Statement

Consolidating Cash Flow Statements
(Dollars in millions)
Six months ended July 1, 2011	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Operating Activities
Net Cash Provided by (Used in) Operating Activities	$	300		$	1,662		$	(375	)	$	1,587
Investing Activities
Property Additions	—			(866		)	(81		)	(947		)
Other Investing Activities	(16		)	(95		)	127			16
Net Cash Used in Investing Activities	(16		)	(961		)	46			(931		)
Financing Activities
Long-term Debt Issued	600			—			—			600
Long-term Debt Repaid	(507		)	(61		)	(2		)	(570		)
Dividends Paid	(233		)	(170		)	175			(228		)
Stock Options Exercised	24			—			—			24
Shares Repurchased	(528		)	—			—			(528		)
Other Financing Activities	248			(398		)	156			6
Net Cash (Used in) Provided by Financing Activities	(396		)	(629		)	329			(696		)
Net Decrease in Cash and Cash Equivalents	(112		)	72			—			(40		)
Cash and Cash Equivalents at Beginning of Period	1,100			118			74			1,292
Cash and Cash Equivalents at End of Period	$	988		$	190		$	74		$	1,252
Six months ended June 25, 2010	CSX Corporation			CSX Transportation			Eliminations and Other			Consolidated
Operating Activities
Net Cash Provided by Operating Activities	$	283		$	1,421		$	(282	)	$	1,422
Investing Activities
Property Additions	—			(648		)	(39		)	(687		)
Other Investing Activities	(4		)	(47		)	119			68
Net Cash Used in Investing Activities	(4		)	(695		)	80			(619		)
Financing Activities
Long-term Debt Repaid	—			(69		)	(2		)	(71		)
Dividends Paid	(188		)	(295		)	299			(184		)
Stock Options Exercised	16			—			—			16
Shares Repurchased	(823		)	—			—			(823		)
Other Financing Activities	233			(295		)	(75		)	(137		)
Net Cash (Used in) Provided by Financing Activities	(762		)	(659		)	222			(1,199		)
Net Increase (Decrease) in Cash and Cash Equivalents	(483		)	67			20			(396		)
Cash and Cash Equivalents at Beginning of Period	918			30			81			1,029
Cash and Cash Equivalents at End of Period	$	435		$	97		$	101		$	633

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Nature of Operations and Significant Accounting Policies (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended			6 Months Ended		12 Months Ended
	Jul. 01, 2011	Dec. 31, 2010	Jun. 25, 2010	Jul. 01, 2011	Jun. 25, 2010	Dec. 30, 2011	Dec. 31, 2010
Background
Total number of rail route miles	21,000			21,000
Rail network states number	23			23
Fiscal Year
Number Weeks Fiscal Quarter	13	14	13
Number Weeks Year To Date				26	26
Number Weeks Fiscal Year Reporting Calendar						52	53
Comprehensive Earnings
Total comprehensive earnings, net of tax	$ 519		$ 424	$ 925	$ 741
Accumulated other comprehensive loss	(747)	(771)		(747)			(771)
Allowance for Doubtful Accounts
Current portion of allowance for doubtful accounts receivable	43		38	43	38
Dividend Increase and Share Repurchases
Increase in quaterly cash dividend	38.00%
Cash dividend per share on a post-split basis	$ 0.12
New share repurchase program	2,000
Retained Earnings
Reclassification between retained earnings and other capital as result of share repurchases	$ 929

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Earnings Per Share (Details) (USD $)	3 Months Ended				6 Months Ended				1 Months Ended		3 Months Ended
	Jul. 01, 2011		Jun. 25, 2010		Jul. 01, 2011		Jun. 25, 2010		Jun. 30, 2011 Common Stock	May 31, 2011 Common Stock	Jul. 01, 2011 Convertible Debt	Jun. 25, 2010 Convertible Debt
Earnings Per Share
Stock Split, Conversion Ratio										3
Additional shares received by shareholders as a result of stock split									2
Numerator:
Net Earnings	$ 506,000,000		$ 414,000,000		$ 901,000,000		$ 719,000,000
Denominator:
Average Common Shares Outstanding	1,102,409,000	[1]	1,149,492,000	[1]	1,105,228,000	[1]	1,161,365,000	[1]
Other Potentially Dilutive Common Shares	6,606,000	[2]	9,681,000	[2]	6,658,000	[2]	9,706,000	[2]
Average Common Shares Outstanding, Assuming Dilution	1,109,015,000	[1]	1,159,173,000	[1]	1,111,886,000	[1]	1,171,071,000	[1]
Net Earnings Per Share, Basic:	$ 0.46	[1]	$ 0.36	[1]	$ 0.81	[1]	$ 0.62	[1]
Net Earnings Per Share, Assuming Dilution:	$ 0.46	[1]	$ 0.36	[1]	$ 0.81	[1]	$ 0.61	[1]
Number of stock options excluded from the diluted earnings per share					0
Face value of convertible debentures					5,000,000						5,000,000	200,000
Number of shares of common stock converted from convetible debentures	178,000		7,000
Face value of convertible debentures still outstanding at the end of the period											$ 5,000,000
Number of shares of common stock converted from outstanding convetible debentures					542,000

[1] All share and per share data were retroactively restated to reflect the stock split effective May 31, 2011.

[2] Other potentially dilutive common shares include convertible debt, stock options, common stock equivalents and performance units granted under a management incentive compen

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Share-Based Compensation (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		1 Months Ended
	Jul. 01, 2011	Jun. 25, 2010	Jul. 01, 2011	Jun. 25, 2010	May 31, 2011 Performance Units	May 31, 2011 Performance Units Minimum	May 31, 2011 Performance Units Maximum	May 31, 2011 Restricted Stock Units (RSUs)
Share-based Compensation
Share-based Compensation Arrangement Awards Granted					1,100,000			360,000
Share-based Compensation Arrangement Vesting Period					3			3
Share Based Compensation Arrangement Number of Equivalent Shares of Common Stock Per Unit					1
Share Based Compensation Arrangement Payout Percentage						0.00%	200.00%
Share Based Compensation Arrangement Payout Percentage Increase (Decrease)					(30.00%)
Share-Based Compensation Expense	$ 11	$ 9	$ 22	$ 32
Income Tax Benefit	$ 4	$ 3	$ 8	$ 12
Number of Stock Options Exercised	675,000	1,662,000	3,954,000	2,739,000
Number of Stock Options Expired or Cancelled	21,000	0	21,000	0
Number of Stock Options Outstanding	5,000,000		5,000,000

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Casualty, Environmental and Other Reserves (Details) (USD $) In Millions, unless otherwise specified													3 Months Ended
	Jul. 01, 2011	Dec. 31, 2010	Jul. 01, 2011 Casualty	Dec. 31, 2010 Casualty	Jun. 01, 2010 Casualty	May 31, 2010 Casualty	Jul. 01, 2011 Personal Injury	Dec. 31, 2010 Personal Injury	Jul. 01, 2011 Occupational	Dec. 31, 2010 Occupational	Jul. 01, 2011 Asbestos	Dec. 31, 2010 Asbestos	Jul. 01, 2011 Separation	Dec. 31, 2010 Separation	Jul. 01, 2011 Environmental	Dec. 31, 2010 Environmental	Jul. 01, 2011 Other	Dec. 31, 2010 Other
All Contingencies Reserves [Line Items]
Casualty, environmental and other reserves, current	$ 180	$ 176	$ 97	$ 97			$ 78	$ 78	$ 10	$ 10	$ 9	$ 9	$ 16	$ 16	$ 37	$ 37	$ 30	$ 26
Casualty, environmental and other reserves, noncurrent	468	502	271	278			178	176	32	30	61	72	38	44	56	70	103	110
Casualty, environmental and other reserves, total	648	678	368	375			256	254	42	40	70	81	54	60	93	107	133	136
Self-insured retention amount					$ 50	$ 25
Number of Claims Expected to Exceed Self Insured Retention Amount			0
Separation liabilities, payment range term - in years													10 to 15
Environmental impaired sites															258

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Commitments and Contingencies (Details) (USD $) In Millions	Jul. 01, 2011
Insurance
Non-catastrophic property deductible	$ 25
Casualty and catastrophic property deductible	$ 50

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CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions	Jul. 01, 2011	Dec. 31, 2010	Jun. 25, 2010	Dec. 25, 2009
Current Assets
Cash and Cash Equivalents	$ 1,252	$ 1,292	$ 633	$ 1,029
Short-term Investments	43	54
Accounts Receivable - Net (Note 1)	1,112	993
Materials and Supplies	251	218
Deferred Income Taxes	186	192
Other Current Assets	123	106
Total Current Assets	2,967	2,855
Properties	32,777	32,065
Accumulated Depreciation	(8,575)	(8,266)
Properties - Net	24,202	23,799
Investment in Conrail	681	673
Affiliates and Other Companies	477	461
Other Long-term Assets	378	353
Total Assets	28,705	28,141
Current Liabilities
Accounts Payable	1,076	1,046
Labor and Fringe Benefits Payable	430	520
Casualty, Environmental and Other Reserves (Note 4)	180	176
Current Maturities of Long-term Debt (Note 7)	494	613
Income and Other Taxes Payable	137	85
Other Current Liabilities	168	97
Total Current Liabilities	2,485	2,537
Casualty, Environmental and Other Reserves (Note 4)	468	502
Long-term Debt (Note 7)	8,186	8,051
Deferred Income Taxes	7,340	7,053
Other Long-term Liabilities	1,285	1,298
Total Liabilities	19,764	19,441
Common Stock $1 Par Value	1,095	370
Other Capital (Note 1)	0	0
Retained Earnings	8,582	9,087
Accumulated Other Comprehensive Loss (Note 1)	(747)	(771)
Noncontrolling Interest	11	14
Total Shareholders' Equity	8,941	8,700
Total Liabilities and Shareholders' Equity	$ 28,705	$ 28,141

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Employee Benefit Plans (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jun. 25, 2010	Jul. 01, 2011	Jun. 25, 2010
Pension Benefits
Schedule of Defined Benefit Plans Disclosures
Service Cost	$ 10	$ 11	$ 20	$ 21
Interest Cost	30	30	60	61
Expected Return on Plan Assets	(40)	(41)	(79)	(82)
Amortization of Net Loss	18	14	36	29
Amortization of Prior Service Cost	0	(1)	0	0
Net Periodic Benefit Cost	18	13	37	29
Other Post-Retirement Benefits
Schedule of Defined Benefit Plans Disclosures
Service Cost	1	1	2	2
Interest Cost	3	4	6	9
Amortization of Net Loss	2	2	3	4
Amortization of Prior Service Cost	(1)	0	(1)	0
Net Periodic Benefit Cost	$ 5	$ 7	$ 10	$ 15

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Debt and Credit Agreements (Details) (USD $)	6 Months Ended			1 Months Ended		1 Months Ended
	Jul. 01, 2011	Jul. 01, 2011 Current Liabilities	Jul. 01, 2011 Long Term Liabilities	May 31, 2011 Notes Payable 4.25% Note Due June 2021	May 20, 2011 Notes Payable 4.25% Note Due June 2021	May 31, 2011 Notes Payable 5.50% Note Due April 2041	May 20, 2011 Notes Payable 5.50% Note Due April 2041
Current and Long Term Debt Instrument
Debt Instrument, Face Amount					$ 350,000,000		$ 250,000,000
Debt Instrument, Maturity Date				Jun. 01, 2021		Apr. 15, 2041
Movement, Debt Instruments [Roll Forward]
Current Portion	613,000,000	613,000,000
Long-term Portion	8,051,000,000		8,051,000,000
Long-term Debt	8,664,000,000
Long-term debt issued	600,000,000	0	600,000,000
Long-term debt repaid	(570,000,000)	(570,000,000)	0
Reclassifications	0	456,000,000	(456,000,000)
Debt conversions to CSX stock	(5,000,000)	(5,000,000)	0
Discount and premium activity	(9,000,000)	0	(9,000,000)
Current Portion	494,000,000	494,000,000
Long-term Debt Portion	8,186,000,000		8,186,000,000
Long-term Debt	$ 8,680,000,000

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Debt and Credit Agreements Line of Credit Facility (Details) (USD $) In Millions	3 Months Ended
	Jul. 01, 2011
Revolving Credit Facility
Line of Credit Facility
Line of Credit Facility, Current Borrowing Capacity	$ 1,250
Current borrowing capacity	1,250
Increase borrowing capacity under the facility	500
Maximum borrowing capacity of credit facility	1,750
Line of Credit Facility, Expiration Date	May 2012
Receivable Securitization Facility
Line of Credit Facility
Line of Credit Facility, Current Borrowing Capacity	$ 250
Line of Credit Facility, Expiration Date	June 2012

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Other Income (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jun. 25, 2010	Jul. 01, 2011	Jun. 25, 2010
Component of Other Income, Nonoperating
Total Other Income - Net	$ 0	$ 9	$ 5	$ 20
Interest Income
Component of Other Income, Nonoperating
Total Other Income - Net	1	2	2	3
Income from Real Estate
Component of Other Income, Nonoperating
Total Other Income - Net	5	8	8	15
Miscellaneous Income (Expense)
Component of Other Income, Nonoperating
Total Other Income - Net	$ (6)	$ (1)	$ (5)	$ 2

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Income Taxes (Details) (USD $) In Millions, except Per Share data	3 Months Ended
	Jul. 01, 2011	Jun. 25, 2010
Income Tax Examination
Current State and Local Tax Expense (Benefit)	$ 14
Current State and Locat Tax Expense Benefit Per Share	$ 0.01
Income Tax Examination, Year(s) under Examination		2004-2006
Income Tax Examination Benefit Recorded		$ 15
Income Tax Examination Benefit Recorded Earnings Per Share		$ 0.01

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Fair Value Measurements (Details) (USD $) In Millions	Jul. 01, 2011 Level 1 inputs Fair Value	Dec. 31, 2010 Level 1 inputs Fair Value	Jul. 01, 2011 Level 1 inputs Fair Value Less than 1 year	Dec. 31, 2010 Level 1 inputs Fair Value Less than 1 year	Jul. 01, 2011 Level 1 inputs Fair Value 1 - 2 years		Dec. 31, 2010 Level 1 inputs Fair Value 1 - 2 years		Jul. 01, 2011 Level 1 inputs Fair Value 1 - 2 years Callable Bonds	Jun. 25, 2010 Level 1 inputs Fair Value 1 - 2 years Callable Bonds	Jul. 01, 2011 Level 1 inputs Fair Value 2 - 5 years		Dec. 31, 2010 Level 1 inputs Fair Value 2 - 5 years		Jul. 01, 2011 Level 1 inputs Fair Value 2 - 5 years Callable Bonds	Jun. 25, 2010 Level 1 inputs Fair Value 2 - 5 years Callable Bonds	Jul. 01, 2011 Level 1 inputs Fair Value Greater than 5 years	Dec. 31, 2010 Level 1 inputs Fair Value Greater than 5 years	Jul. 01, 2011 Level 1 inputs Carrying Value	Dec. 31, 2010 Level 1 inputs Carrying Value	Jul. 01, 2011 Level 2 inputs Fair Value	Dec. 31, 2010 Level 2 inputs Fair Value	Jul. 01, 2011 Level 2 inputs Carrying Value	Dec. 31, 2010 Level 2 inputs Carrying Value
Fair Value, by Balance Sheet Grouping
Investments	$ 151	$ 123	$ 30	$ 44	$ 59	[1]	$ 45	[1]	$ 5	$ 5	$ 62	[1]	$ 31	[1]	$ 5	$ 5	$ 0	$ 3	$ 150	$ 121
Long-term Debt Including Current Maturities																					$ 9,632	$ 9,624	$ 8,680	$ 8,664

[1] The 1-2 year category and the 2-5 year category include callable bonds of approximately $5 million for both 2011 and 2010, which are classified as short-term investments on the consolidated balance sheet.

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Summarized Consolidating Income Statement (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jun. 25, 2010	Jul. 01, 2011	Jun. 25, 2010
Consolidated Income Statement
Revenue	$ 3,019	$ 2,663	$ 5,829	$ 5,154
Operating Expenses	2,093	1,895	4,130	3,754
Operating Income	926	768	1,699	1,400
Equity in Earnings of Subsidiaries	0	0	0	0
Interest (Expense) / Benefit	(134)	(135)	(274)	(277)
Other Income - Net	0	9	5	20
Earnings Before Income Taxes	792	642	1,430	1,143
Income Tax Expense	(286)	(228)	(529)	(424)
Net Earnings	506	414	901	719
CSX Corporation
Consolidated Income Statement
Revenue	0	0	0	0
Operating Expenses	(67)	(46)	(133)	(83)
Operating Income	67	46	133	83
Equity in Earnings of Subsidiaries	540	492	972	889
Interest (Expense) / Benefit	(121)	(122)	(247)	(248)
Other Income - Net	4	4	8	10
Earnings Before Income Taxes	490	420	866	734
Income Tax Expense	16	(6)	35	(15)
Net Earnings	506	414	901	719
CSX Transportation
Consolidated Income Statement
Revenue	3,003	2,337	5,797	4,489
Operating Expenses	2,222	1,672	4,364	3,279
Operating Income	781	665	1,433	1,210
Equity in Earnings of Subsidiaries	2	0	3	0
Interest (Expense) / Benefit	(22)	(27)	(45)	(55)
Other Income - Net	0	20	2	38
Earnings Before Income Taxes	761	658	1,393	1,193
Income Tax Expense	(275)	(236)	(516)	(445)
Net Earnings	486	422	877	748
Eliminations
Consolidated Income Statement
Revenue	16	326	32	665
Operating Expenses	(62)	269	(101)	558
Operating Income	78	57	133	107
Equity in Earnings of Subsidiaries	(542)	(492)	(975)	(889)
Interest (Expense) / Benefit	9	14	18	26
Other Income - Net	(4)	(15)	(5)	(28)
Earnings Before Income Taxes	(459)	(436)	(829)	(784)
Income Tax Expense	(27)	14	(48)	36
Net Earnings	$ (486)	$ (422)	$ (877)	$ (748)

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Summarized Consolidating Balance Sheet (Details) (USD $) In Millions	Jul. 01, 2011	Dec. 31, 2010	Jun. 25, 2010	Dec. 25, 2009
Current Assets
Cash and Cash Equivalents	$ 1,252	$ 1,292	$ 633	$ 1,029
Short-term Investments	43	54
Accounts Receivable - Net	1,112	993
Receivable from Affiliates	0	0
Materials and Supplies	251	218
Deferred Income Taxes	186	192
Other Current Assets	123	106
Total Current Assets	2,967	2,855
Properties	32,777	32,065
Accumulated Depreciation	(8,575)	(8,266)
Properties - Net	24,202	23,799
Investments in Conrail	681	673
Affiliates and Other Companies	477	461
Investments in Consolidated Subsidiaries	0	0
Other Long-term Assets	378	353
Total Assets	28,705	28,141
Current Liabilities
Accounts Payable	1,076	1,046
Labor and Fringe Benefits Payable	430	520
Payable to Affiliates	0	0
Casualty, Environmental and Other Reserves	180	176
Current Maturities of Long-term Debt	494	613
Income and Other Taxes Payable	137	85
Other Current Liabilities	168	97
Total Current Liabilities	2,485	2,537
Casualty, Evironmental and Other Reserves	468	502
Long-term Debt	8,186	8,051
Deferred Income Taxes	7,340	7,053
Other Long-term Liabilities	1,285	1,298
Total Liabilities	19,764	19,441
Shareholders' Equity
Common Stock, $1 Par Value	1,095	370
Other Capital	0	0
Retained Earnings	8,582	9,087
Accumulated Other Comprehensive Loss	(747)	(771)
Noncontrolling Interest	11	14
Total Shareholders' Equity	8,941	8,700
Total Liabilities and Shareholders' Equity	28,705	28,141
CSX Corporation
Current Assets
Cash and Cash Equivalents	988	1,100	435	918
Short-term Investments	0	0
Accounts Receivable - Net	5	5
Receivable from Affiliates	1,158	1,048
Materials and Supplies	0	0
Deferred Income Taxes	0	15
Other Current Assets	76	46
Total Current Assets	2,227	2,214
Properties	8	8
Accumulated Depreciation	(8)	(8)
Properties - Net	0	0
Investments in Conrail	0	0
Affiliates and Other Companies	0	0
Investments in Consolidated Subsidiaries	16,926	16,278
Other Long-term Assets	167	174
Total Assets	19,320	18,666
Current Liabilities
Accounts Payable	107	116
Labor and Fringe Benefits Payable	34	42
Payable to Affiliates	2,251	1,942
Casualty, Environmental and Other Reserves	0	0
Current Maturities of Long-term Debt	405	517
Income and Other Taxes Payable	465	378
Other Current Liabilities	0	0
Total Current Liabilities	3,262	2,995
Casualty, Evironmental and Other Reserves	0	0
Long-term Debt	7,008	6,815
Deferred Income Taxes	(572)	(526)
Other Long-term Liabilities	693	696
Total Liabilities	10,391	9,980
Shareholders' Equity
Common Stock, $1 Par Value	1,095	370
Other Capital	0	0
Retained Earnings	8,582	9,087
Accumulated Other Comprehensive Loss	(748)	(771)
Noncontrolling Interest	0	0
Total Shareholders' Equity	8,929	8,686
Total Liabilities and Shareholders' Equity	19,320	18,666
CSX Transportation
Current Assets
Cash and Cash Equivalents	190	118	97	30
Short-term Investments	0	0
Accounts Receivable - Net	428	447
Receivable from Affiliates	1,443	943
Materials and Supplies	251	218
Deferred Income Taxes	181	171
Other Current Assets	67	56
Total Current Assets	2,560	1,953
Properties	31,206	30,557
Accumulated Depreciation	(7,683)	(7,405)
Properties - Net	23,523	23,152
Investments in Conrail	0	0
Affiliates and Other Companies	558	595
Investments in Consolidated Subsidiaries	0	0
Other Long-term Assets	108	110
Total Assets	26,749	25,810
Current Liabilities
Accounts Payable	938	904
Labor and Fringe Benefits Payable	373	431
Payable to Affiliates	568	401
Casualty, Environmental and Other Reserves	165	161
Current Maturities of Long-term Debt	87	94
Income and Other Taxes Payable	126	109
Other Current Liabilities	167	96
Total Current Liabilities	2,424	2,196
Casualty, Evironmental and Other Reserves	383	411
Long-term Debt	1,178	1,235
Deferred Income Taxes	7,485	7,228
Other Long-term Liabilities	515	525
Total Liabilities	11,985	11,595
Shareholders' Equity
Common Stock, $1 Par Value	181	181
Other Capital	5,648	5,634
Retained Earnings	8,980	8,443
Accumulated Other Comprehensive Loss	(64)	(65)
Noncontrolling Interest	19	22
Total Shareholders' Equity	14,764	14,215
Total Liabilities and Shareholders' Equity	26,749	25,810
Eliminations
Current Assets
Cash and Cash Equivalents	74	74	101	81
Short-term Investments	43	54
Accounts Receivable - Net	679	541
Receivable from Affiliates	(2,601)	(1,991)
Materials and Supplies	0	0
Deferred Income Taxes	5	6
Other Current Assets	(20)	4
Total Current Assets	(1,820)	(1,312)
Properties	1,563	1,500
Accumulated Depreciation	(884)	(853)
Properties - Net	679	647
Investments in Conrail	681	673
Affiliates and Other Companies	(81)	(134)
Investments in Consolidated Subsidiaries	(16,926)	(16,278)
Other Long-term Assets	103	69
Total Assets	(17,364)	(16,335)
Current Liabilities
Accounts Payable	31	26
Labor and Fringe Benefits Payable	23	47
Payable to Affiliates	(2,819)	(2,343)
Casualty, Environmental and Other Reserves	15	15
Current Maturities of Long-term Debt	2	2
Income and Other Taxes Payable	(454)	(402)
Other Current Liabilities	1	1
Total Current Liabilities	(3,201)	(2,654)
Casualty, Evironmental and Other Reserves	85	91
Long-term Debt	0	1
Deferred Income Taxes	427	351
Other Long-term Liabilities	77	77
Total Liabilities	(2,612)	(2,134)
Shareholders' Equity
Common Stock, $1 Par Value	(181)	(181)
Other Capital	(5,648)	(5,634)
Retained Earnings	(8,980)	(8,443)
Accumulated Other Comprehensive Loss	65	65
Noncontrolling Interest	(8)	(8)
Total Shareholders' Equity	(14,752)	(14,201)
Total Liabilities and Shareholders' Equity	$ (17,364)	$ (16,335)

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Summarized Consolidating Cash Flow (Details) (USD $) In Millions	6 Months Ended
	Jul. 01, 2011	Jun. 25, 2010
Operating Activities
Net Cash Provided by (Used in) Operating Activities	$ 1,587	$ 1,422
Investing Activities
Property Additions	(947)	(687)
Other Investing Activities	16	68
Net Cash Used in Investing Activities	(931)	(619)
Financing Activities
Long-term Debt Issued	600	0
Long-term Debt Repaid	(570)	(71)
Dividends Paid	(228)	(184)
Stock Options Exercised	24	16
Shares Repurchased	(528)	(823)
Other Financing Activities	6	(137)
Net Cash (Used in) Provided by Financing Activities	(696)	(1,199)
Net Decrease in Cash and Cash Equivalents	(40)	(396)
Cash and Cash Equivalents at Beginning of Period	1,292	1,029
Cash and Cash Equivalents at End of Period	1,252	633
CSX Corporation
Operating Activities
Net Cash Provided by (Used in) Operating Activities	300	283
Investing Activities
Property Additions	0	0
Other Investing Activities	(16)	(4)
Net Cash Used in Investing Activities	(16)	(4)
Financing Activities
Long-term Debt Issued	600
Long-term Debt Repaid	(507)	0
Dividends Paid	(233)	(188)
Stock Options Exercised	24	16
Shares Repurchased	(528)	(823)
Other Financing Activities	248	233
Net Cash (Used in) Provided by Financing Activities	(396)	(762)
Net Decrease in Cash and Cash Equivalents	(112)	(483)
Cash and Cash Equivalents at Beginning of Period	1,100	918
Cash and Cash Equivalents at End of Period	988	435
CSX Transportation
Operating Activities
Net Cash Provided by (Used in) Operating Activities	1,662	1,421
Investing Activities
Property Additions	(866)	(648)
Other Investing Activities	(95)	(47)
Net Cash Used in Investing Activities	(961)	(695)
Financing Activities
Long-term Debt Issued	0
Long-term Debt Repaid	(61)	(69)
Dividends Paid	(170)	(295)
Stock Options Exercised	0	0
Shares Repurchased	0	0
Other Financing Activities	(398)	(295)
Net Cash (Used in) Provided by Financing Activities	(629)	(659)
Net Decrease in Cash and Cash Equivalents	72	67
Cash and Cash Equivalents at Beginning of Period	118	30
Cash and Cash Equivalents at End of Period	190	97
Eliminations
Operating Activities
Net Cash Provided by (Used in) Operating Activities	(375)	(282)
Investing Activities
Property Additions	(81)	(39)
Other Investing Activities	127	119
Net Cash Used in Investing Activities	46	80
Financing Activities
Long-term Debt Issued	0
Long-term Debt Repaid	(2)	(2)
Dividends Paid	175	299
Stock Options Exercised	0	0
Shares Repurchased	0	0
Other Financing Activities	156	(75)
Net Cash (Used in) Provided by Financing Activities	329	222
Net Decrease in Cash and Cash Equivalents	0	20
Cash and Cash Equivalents at Beginning of Period	74	81
Cash and Cash Equivalents at End of Period	$ 74	$ 101

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jul. 01, 2011	Dec. 31, 2010
Stockholders' Equity:
Common stock, par value	$ 1	$ 1

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CONSOLIDATED CASH FLOW STATEMENTS (Unaudited) (USD $) In Millions	6 Months Ended
	Jul. 01, 2011	Jun. 25, 2010
OPERATING ACTIVITIES
Net Earnings	$ 901	$ 719
Adjustments to Reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation	489	458
Deferred Income Taxes	280	79
Other Operating Activities	(10)	79
Changes in Operating Assets and Liabilities:
Accounts Receivable	(119)	57
Other Current Assets	(64)	(52)
Accounts Payable	35	(34)
Income and Other Taxes Payable	76	94
Other Current Liabilities	(1)	22
Net Cash Provided by Operating Activities	1,587	1,422
INVESTING ACTIVITIES
Property Additions	(947)	(687)
Other Investing Activities	16	68
Net Cash Used in Investing Activities	(931)	(619)
FINANCING ACTIVITIES
Long-term Debt Issued (Note 7)	600	0
Long-term Debt Repaid (Note 7)	(570)	(71)
Dividends Paid	(228)	(184)
Stock Options Exercised (Note 3)	24	16
Shares Repurchased	(528)	(823)
Other Financing Activities	6	(137)
Net Cash Used in Financing Activities	(696)	(1,199)
Net Decrease in Cash and Cash Equivalents	(40)	(396)
CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents at Beginning of Period	1,292	1,029
Cash and Cash Equivalents at End of Period	$ 1,252	$ 633

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Nature of Operations and Significant Accounting Policies

6 Months Ended

Jul. 01, 2011

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Nature of Operations and Significant Accounting Policies

Nature of Operations and Significant Accounting Policies

Background

CSX Corporation (“CSX”), and together with its subsidiaries (the “Company”), based in Jacksonville, Florida, is one of the nation's leading transportation companies. The Company provides rail-based transportation services including traditional rail service and the transport of intermodal containers and trailers.

CSX's principal operating subsidiary, CSX Transportation, Inc. (“CSXT”), provides an important link to the transportation supply chain through its approximately 21,000 route mile rail network, which serves major population centers in 23 states east of the Mississippi River, the District of Columbia and the Canadian provinces of Ontario and Quebec. The Company's intermodal business links customers to railroads via trucks and terminals.

Other entities

In addition to CSXT, the Company's subsidiaries include CSX Intermodal Terminals, Inc. (“CSX Intermodal Terminals”), Total Distribution Services, Inc. (“TDSI”), Transflo Terminal Services, Inc. (“Transflo”), CSX Technology, Inc. (“CSX Technology”) and other subsidiaries.  CSX Intermodal Terminals owns and operates a system of intermodal terminals, predominantly in the eastern United States and also performs drayage services (the door to door pickup and delivery of intermodal shipments) and trucking dispatch operations. TDSI serves the automotive industry with distribution centers and storage locations, while Transflo provides logistical solutions for transferring products from rail to trucks.  CSX Technology and other subsidiaries provide support services for the Company.

CSX's other holdings include CSX Real Property, Inc., a subsidiary responsible for the Company's real estate sales, leasing, acquisition and management and development activities.  These activities are classified in other income - net because they are not considered to be operating activities by the Company. Results of these activities fluctuate with the timing of non-operating real estate transactions.

Basis of Presentation

In the opinion of management, the accompanying consolidated financial statements contain all normal, recurring adjustments necessary to fairly present the following:

• Consolidated income statements for the quarter and six months endedJuly 1, 2011 and June 25, 2010;

• Consolidated balance sheets at July 1, 2011 and December 31, 2010; and

• Consolidated cash flow statements for the six months endedJuly 1, 2011 and June 25, 2010.

NOTE 1. Nature of Operations and Significant Accounting Policies, continued

Pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), certain information and disclosures normally included in the notes to the annual financial statements prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) have been omitted from these interim financial statements. CSX suggests that these financial statements be read in conjunction with the audited financial statements and the notes included in CSX's most recent annual report on Form 10-K and any current reports on Form 8-K.

Fiscal Year

CSX follows a 52/53 week fiscal reporting calendar with the last day of each reporting period ending on a Friday:

• The second fiscal quarter of 2011 and 2010 consisted of 13 weeks ending on July 1, 2011 and June 25, 2010, respectively.

• The six month periods of 2011 and 2010 consisted of 26 weeks ending on July 1, 2011 and June 25, 2010, respectively.

• Fiscal year 2010 consisted of 53 weeks ending on December 31, 2010. Therefore, fourth quarter 2010 consisted of 14 weeks.

• Fiscal year 2011 will consist of 52 weeks ending on December 30, 2011.        

Except as otherwise specified, references to “second quarter(s)” or “six months” indicate CSX's fiscal periods ending July 1, 2011 and June 25, 2010, and references to year-end indicate the fiscal year ended December 31, 2010.

Comprehensive Earnings

CSX reports comprehensive earnings or loss in accordance with the Comprehensive Income Topic in the Accounting Standards Codification (“ASC”) in the Consolidated Statement of Changes in Shareholders' Equity. Total comprehensive earnings are defined as all changes in shareholders' equity during a period, other than those resulting from investments by and distributions to shareholders (e.g., issuance of equity securities and dividends).  Generally, for CSX, total comprehensive earnings equals net earnings plus or minus adjustments for pension and other post-retirement liabilities. Total comprehensive earnings represent the activity for a period net of tax and were $519 million and $424 million for second quarters 2011 and 2010, respectively, and $925 million and $741 million for six months 2011 and 2010, respectively.

While total comprehensive earnings is the activity in a period and is largely driven by net earnings in that period, accumulated other comprehensive income or loss (“AOCI”) represents the cumulative balance of other comprehensive income, net of tax, as of the balance sheet date.  For CSX, AOCI is primarily the cumulative balance related to pension and other post-retirement adjustments and reduced overall equity by $747 million and $771 million as of the end of second quarter 2011 and December 2010, respectively.

Beginning in first quarter 2012, the Comprehensive Income Topic in the ASC will require comprehensive income to be presented in a single continuous statement following net income or in two consecutive statements reporting net income and other comprehensive income. See the New Accounting Pronouncements section of Note 1, Nature of Operations and Significant Accounting Policies for further information.

NOTE 1. Nature of Operations and Significant Accounting Policies, continued

Allowance for Doubtful Accounts

The Company maintains an allowance for doubtful accounts on uncollectible amounts related to freight receivables, government reimbursement receivables, claims for damages and other various receivables. The allowance is based upon the credit worthiness of customers, historical experience, the age of the receivable and current market and economic conditions. Uncollectible amounts are charged against the allowance account. Allowance for doubtful accounts of $43 million and $38 million is included in the consolidated balance sheets as of the end of second quarter 2011 and December 2010, respectively.

New Accounting Pronouncements

In June 2011, the Financial Accounting Standards Board issued an Accounting Standards Update to the Comprehensive Income Topic in the ASC aimed at increasing the prominence of items reported in other comprehensive income in the financial statements. This update requires companies to present comprehensive income in a single statement below net income or in a separate statement of comprehensive income immediately following the income statement. Companies will no longer be allowed to present comprehensive income on the statement of changes in shareholders' equity. In both options, companies must present the components of net income, total net income, the components of other comprehensive income, total other comprehensive income and total comprehensive income. This update does not change which items are reported in other comprehensive income or the requirement to report reclassifications of items from other comprehensive income to net income. This requirement will become effective for CSX beginning with the first quarter 2012 10-Q filing and will require retrospective application for all periods presented.

Other Items

Stock Split

In May 2011, CSX announced a three-for-one split of its common stock. All shareholders of record on May 31, 2011 received two additional shares of CSX common stock that were distributed on June 15, 2011. See Note 2, Earnings Per Share.

Dividend Increase and Share Repurchases

During the quarter, the Company increased its quarterly cash dividend 38% to $0.12 per share on a post-split basis. In addition, CSX announced a new $2 billion share repurchase program expected to be completed by the end of 2012.

Other Capital

During second quarter 2011, CSX's other capital balance was reduced to zero as a result of share repurchases and the stock split. In accordance with the Equity Topic in the ASC, other capital cannot be negative. Therefore, a reclassification of $929 million was made between retained earnings and other capital to bring the other capital balance to zero. Generally, retained earnings is only impacted by net earnings and dividends.

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Earnings Per Share

6 Months Ended

Jul. 01, 2011

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

In May 2011, CSX announced a three-for-one split of its common stock. All shareholders of record on May 31, 2011 received two additional shares of CSX common stock that were distributed on June 15, 2011. Pursuant to the Earnings Per Share Topic in the ASC, all share and per share disclosures have been retroactively restated to reflect the stock split.

The following table sets forth the computation of basic earnings per share and earnings per share, assuming dilution:

	Second Quarters				Six Months
	2011		2010		2011		2010
Numerator (Dollars in millions):
Net Earnings	$	506	$	414	$	901	$	719
Denominator (Units in millions):
Average Common Shares Outstanding	1,102		1,149		1,105		1,161
Other Potentially Dilutive Common Shares (a)	7		10		7		10
Average Common Shares Outstanding, Assuming Dilution	1,109		1,159		1,112		1,171
Net Earnings Per Share, Basic	$	0.46	$	0.36	$	0.81	$	0.62
Net Earnings Per Share, Assuming Dilution	$	0.46	$	0.36	$	0.81	$	0.61

(a) Other potentially dilutive common shares include convertible debt, stock options, common stock equivalents and performance units granted under a management incentive compensation plan.

Basic earnings per share is based on the weighted-average number of shares of common stock outstanding. Earnings per share, assuming dilution, is based on the weighted-average number of shares of common stock outstanding adjusted for the effects of common stock that may be issued as a result of the following types of potentially dilutive instruments:

• convertible debt;

• employee stock options; and

• other equity awards, which include long-term incentive awards.

The Earnings Per Share Topic in the ASC requires CSX to include additional shares in the computation of earnings per share, assuming dilution. The additional shares included in diluted earnings per share represents the number of shares that would be issued if all of the above potentially dilutive instruments were converted into CSX common stock.

Other potentially dilutive common shares include convertible debt, stock options, stock option common stock equivalents and performance units granted under a management incentive compensation plan. When calculating diluted earnings per share for stock option common stock equivalents, the Earnings Per Share Topic in the ASC requires CSX to include the potential shares that would be outstanding if all outstanding stock options were exercised. This is offset by shares CSX could repurchase using the proceeds from these hypothetical exercises to obtain the common stock equivalent. This number is different from outstanding stock options, which is included in Note 3, Share-Based Compensation. All stock options were dilutive for the periods presented; therefore, no stock options were excluded from the diluted earnings per share calculation.

NOTE 2. Earnings Per Share, continued

As a result, diluted shares outstanding are not impacted when debentures are converted into CSX common stock because those shares were already included in the diluted shares calculation. Shares outstanding for basic earnings per share, however, are impacted on a weighted-average basis when conversions occur.  During second quarters 2011 and 2010, approximately $5 million and $200 thousand of face value of convertible debentures were converted into 178 thousand and 7 thousand shares of CSX common stock, respectively. As of the end of the second quarter 2011, approximately $5 million of convertible debentures at face value remained outstanding, which are convertible into approximately 542 thousand shares of CSX common stock.

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Share-Based Compensation

6 Months Ended

Jul. 01, 2011

Share-based Compensation [Abstract]

Share-Based Compensation

Share-Based Compensation

Under CSX share-based compensation plans, awards primarily consist of performance grants, restricted stock awards, restricted stock units, stock options and stock grants for directors. CSX has not granted stock options since 2003. Awards granted under the various plans are determined and approved by the Compensation Committee of the Board of Directors or, in certain circumstances, by the Chief Executive Officer for awards to management employees other than senior executives. The Board of Directors approves awards granted to the Company's non-management directors upon recommendation of the Governance Committee.

In May 2011, approximately 1.1 million performance units (post-split) were granted to key members of management under a new long-term incentive plan ("LTIP") adopted under the CSX Stock and Incentive Award Plan.  This LTIP plan provides for a three-year cycle ending in fiscal year 2013.  Similar to the two existing plans, the financial target upon which payments are based is operating ratio, which is defined as operating expenses divided by operating revenue and is calculated excluding certain non-recurring items.  Grants were made in performance units, with each unit being equivalent to one share of CSX common stock, and payouts will be made in CSX common stock.  The payout range for participants will be between 0% and 200% of the original grant based upon CSX's attainment of pre-established operating ratio targets for fiscal year 2013.  Payouts to certain senior executive officers are subject to a reduction of up to 30% at the discretion of the Compensation Committee of the Board of Directors based upon Company performance against certain CSX strategic initiatives.

Additionally, as part of this plan, the Company granted approximately 360 thousand time-based restricted stock units (post-split) to key members of management.  The restricted stock units vest three years after the date of grant and participants receive cash dividend equivalents on the unvested shares during the restriction period.  These awards are time-based and support retention objectives.

     For information related to the Company's other outstanding long-term incentive compensation, see CSX's most recent annual report on Form 10-K.

Total pre-tax expense associated with all share-based compensation and its related income tax benefit is as follows:

	Second Quarters				Six Months
(Dollars in millions)	2011		2010		2011		2010
Share-Based Compensation Expense	$	11	$	9	$	22	$	32
Income Tax Benefit	4		3		8		12

NOTE 3. Share-Based Compensation, continued

The following table provides information about stock options exercised and expired.

	Second Quarters		Six Months
(In thousands)	2011	2010	2011	2010
Number of Stock Options Exercised	675	1,662	3,954	2,739
Number of Stock Options Expired	21	—	21	—

As of December 2009, all outstanding options were vested, and therefore, there will be no future expense related to these options.  As of the end of second quarter 2011, CSX had approximately 5 million stock options outstanding. 

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Casualty, Environmental and Other Reserves

6 Months Ended

Jul. 01, 2011

Casualty, Environmental and Other Reserves [Abstract]

Casualty, Environmental and Other Reserves

Casualty, Environmental and Other Reserves

Casualty, environmental and other reserves are considered critical accounting estimates that involve significant management judgments. They are provided for in the consolidated balance sheets as follows:

	July 1, 2011						December 31, 2010
(Dollars in millions)	Current		Long-term		Total		Current		Long-term		Total
Casualty:
Personal Injury	$	78	$	178	$	256	$	78	$	176	$	254
Occupational	10		32		42		10		30		40
Asbestos	9		61		70		9		72		81
Total Casualty	97		271		368		97		278		375
Separation	16		38		54		16		44		60
Environmental	37		56		93		37		70		107
Other	30		103		133		26		110		136
Total	$	180	$	468	$	648	$	176	$	502	$	678

Actual settlements and claims received could differ. The final outcome of these matters cannot be predicted with certainty. Considering the legal defenses available, the liabilities that have been recorded and other factors, it is the opinion of management that none of these items, when finally resolved, will have a material effect on the Company's financial condition, results of operations or liquidity. Should a number of these items occur in the same period, however, they could have a material effect on the Company's financial condition, results of operations or liquidity in that particular period.

Casualty

Casualty reserves represent accruals for personal injury, occupational injury claims and asbestos. During 2010 the Company increased its self-insured retention amount for these claims from $25 million to $50 million per injury for claims occurring on or after June 1, 2010. Currently, no individual claim is expected to exceed the self-insured retention amount. In accordance with the Contingencies Topic in the ASC, to the extent the value of an individual claim exceeds the self-insured retention amount; the Company would present the liability on a gross basis with a corresponding receivable for insurance recoveries. These reserves fluctuate based upon the timing of payments as well as changes in independent third-party estimates, which are reviewed by management. Most of the claims relate to CSXT unless otherwise noted below. Defense and processing costs, which historically have been insignificant and are anticipated to be insignificant in the future, are not included in the recorded liabilities.

NOTE 4. Casualty, Environmental and Other Reserves, continued

Personal Injury

Personal injury reserves represent liabilities for employee work-related and third-party injuries. Work-related injuries for CSXT employees are primarily subject to the Federal Employers' Liability Act (“FELA”). In addition to FELA liabilities, employees of other CSX subsidiaries are covered by various state workers' compensation laws, the Federal Longshore and Harbor Workers' Compensation Program or the Maritime Jones Act.

CSXT retains an independent actuarial firm to assist management in assessing the value of personal injury claims.  An analysis is performed by the independent actuarial firm quarterly and is reviewed by management. The methodology used by the actuary includes a development factor to reflect growth or reduction in the value of these personal injury claims. It is based largely on CSXT's historical claims and settlement experience. Actual results may vary from estimates due to the number, type and severity of the injury, costs of medical treatments and uncertainties in litigation.

Occupational & Asbestos

Occupational claims arise from allegations of exposure to certain materials in the workplace, such as solvents, soaps, chemicals (collectively referred to as “irritants”) and diesel fuels (exhaust fumes) or allegations of chronic physical injuries resulting from work conditions, such as repetitive stress injuries, carpal tunnel syndrome and hearing loss. Also, asbestos claims are from employees alleging exposure to asbestos in the workplace.

An analysis of occupational claims is performed quarterly by an independent actuarial firm and reviewed by management. The methodology used includes estimates of future anticipated incurred but not reported claims based on the Company's trends in average historical claim filing rates, future anticipated dismissal rates and future settlement rates.

Asbestos claims are reviewed quarterly by management, and analyzed annually by a third party expert. The methodology used includes estimates of future anticipated incurred but not reported claims based on the Company's trends in average historical claim filing rates, future anticipated dismissal rates and future settlement rates. For both occupational and asbestos, actual claims may vary from these estimates due to the number, type and severity of the injury, costs of medical treatments and uncertainties in litigation.

Separation

Separation liabilities represent the estimated benefits provided to certain union employees as a result of implementing workforce reductions, improvements in productivity and certain other cost reductions at the Company's major transportation units since 1991. These liabilities are expected to be paid out over the next 10 to 15 years from general corporate funds and may fluctuate depending on the timing of payments and associated taxes.

NOTE 4. Casualty, Environmental and Other Reserves, continued

Environmental

The Company is a party to various proceedings related to environmental issues, including administrative and judicial proceedings involving private parties and regulatory agencies. The Company has been identified as a potentially responsible party at approximately 258 environmentally impaired sites. Many of these are, or may be, subject to remedial action under the federal Comprehensive Environmental Response, Compensation and Liability Act of 1980, or CERCLA, also known as the Superfund Law, or similar state statutes. Most of these proceedings arose from environmental conditions on properties used for ongoing or discontinued railroad operations. A number of these proceedings, however, are based on allegations that the Company, or its predecessors, sent hazardous substances to facilities owned or operated by others for treatment, recycling or disposal. In addition, some of the Company's land holdings were leased to others for commercial or industrial uses that may have resulted in releases of hazardous substances or other regulated materials onto the property and could give rise to proceedings against the Company.

In any such proceedings, the Company is subject to environmental clean-up and enforcement actions under the Superfund Law, as well as similar state laws that may impose joint and several liability for clean-up and enforcement costs on current and former owners and operators of a site without regard to fault or the legality of the original conduct. These costs could be substantial.

In accordance with the Asset Retirement and Environmental Obligations Topic in the ASC, the Company reviews its role with respect to each site identified at least quarterly, giving consideration to a number of factors such as:

• type of clean-up required;

• nature of the Company's alleged connection to the location (e.g., generator of waste sent to the site or owner or operator of the site);

• extent of the Company's alleged connection (e.g., volume of waste sent to the location and other relevant factors); and

• number, connection and financial viability of other named and unnamed potentially responsible parties at the location.

Based on the review process, the Company has recorded amounts to cover anticipated contingent future environmental remediation costs with respect to each site to the extent such costs are estimable and probable. The recorded liabilities for estimated future environmental costs are undiscounted. The liability includes future costs for remediation and restoration of sites as well as any significant ongoing monitoring costs, but excludes any anticipated insurance recoveries. Payments related to these liabilities are expected to be made over the next several years. Environmental remediation costs are included in materials, supplies and other on the consolidated income statement.

Currently, the Company does not possess sufficient information to reasonably estimate the amounts of additional liabilities, if any, on some sites until completion of future environmental studies. In addition, conditions that are currently unknown could, at any given location, result in additional exposure, the amount and materiality of which cannot presently be reliably estimated. Based upon information currently available, however, the Company believes its environmental reserves are adequate to fund remedial actions to comply with present laws and regulations, and that the ultimate liability for these matters, if any, will not materially affect its overall financial condition, results of operations or liquidity.

NOTE 4. Casualty, Environmental and Other Reserves, continued

Other

Other reserves include liabilities for various claims, such as longshoremen disability claims, freight claims and claims for property, automobile and general liability. These liabilities are accrued at the estimable and probable amount in accordance with the Contingencies Topic in the ASC.