Stock Plans and Share-Based Compensation (Tables)

12 Months Ended

Dec. 27, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of share-based compensation and related income tax benefit

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

	Fiscal Years
(Dollars in Millions)	2013		2012		2011
Share-Based Compensation Expense	$	14	$	14	$	30
Income Tax Benefit	6		5		11

Schedule of stock option activity

A summary of CSX's stock option activity and related information for the fiscal years 2013, 2012 and 2011 is as follows:

	Fiscal Years
	2013				2012				2011
	Options Outstanding (Thousands)		Weighted- Average Exercise Price		Options Outstanding (Thousands)		Weighted- Average Exercise Price		Options Outstanding (Thousands)		Weighted- Average Exercise Price
Outstanding & Exercisable at Beginning of Year	1,672		$	5.36	4,145		$	5.64	9,111		$	5.82
Expired or Cancelled	(9	)	5.36		(15	)	6.36		(27	)	6.44
Exercised	(1,663	)	5.36		(2,458	)	5.83		(4,939	)	5.96
Outstanding & Exercisable at End of Year	—		$	—	1,672		$	5.36	4,145		$	5.64

Schedule of outstanding restricted stock awards

The following table provides information about outstanding restricted stock units and awards combined.  As of December 2013, unrecognized compensation expense for these awards and units was approximately $17 million, which will be expensed over a weighted-average remaining period of 2 years.

	Fiscal Years
	2013		2012		2011
Restricted Stock Units and Awards Outstanding (Thousands)(a)	1,462		1,353		1,572
Weighted-Average Fair Value at Grant Date	$	23.89	$	21.38	$	16.91
Restricted Stock Units and Awards Expense (Millions)(a)	10		9		7
Unvested Restricted Stock Units and Awards Outstanding (Thousands)	705		629		678
Weighted-Average Fair Value of Unvested Units and Awards Outstanding	$	24.17	$	22.48	$	20.93

(a)  Time-based restricted stock units were granted to certain employees under the respective Long-term Incentive Plans in the amount of 524,000, 433,000, and 361,000 in 2013, 2012, and 2011, respectively, as described below.  These units vest over three years, therefore only a partial amount of expense was recognized in 2013, 2012, and 2011, respectively.

Schedule of target units granted and weighted-average fair value calculations

	LTIP Plan (Plan Ended In)
	2013		2014		2015
Number of target units outstanding (Thousands)(a)	1,080		1,340		1,318
Weighted-average fair value at grant date (a)	$	25.63	$	22.13	$	25.32
Payout Range	0% - 200%		0% - 200%		0% - 200%

(a) Number of target units granted and weighted-average fair value calculations above include the value of both initial grants and subsequent, smaller grants issued at different prices based on grant date fair value to new or promoted employees not previously included.

Schedule of outstanding long-term incentive plans

The activity related to each of the outstanding long-term incentive plans is summarized as follows:

	LTIP Plan (Plan Ended In)						Weighted-Average Fair Value at Grant Date
(Units Outstanding, in Thousands)	2013		2014		2015
Unvested at December 30, 2011	991		—		—		$	25.92
Granted in 2012	65		1,325		—		21.97
Forfeited in 2012	(2	)	(69	)	—		(21.99		)
Unvested at December 28, 2012	1,054		1,256		—		23.66
Granted in 2013	26		85		1,354		25.24
Forfeited in 2013	—		(1	)	(36	)	(25.31		)
Cancelled due to performance conditions(a)	(1,080	)	—		—		25.63
Vested at December 27, 2013	—		—		—		—
Unvested at December 27, 2013	—		1,340		1,318		$	23.73

(a) The minimum financial target was not met in 2013. As a result, there was no performance unit payout for the LTIP ended December 27, 2013.

Schedule of shares issued to directors

 The following table provides information about shares issued to directors.

	Fiscal Years
	2013		2012		2011
Shares Issued to Directors (Thousands)	105		102		93
Expense (Millions)	$	2	$	2	$	2
Weighted Average Grant Date Stock Price	$	23.12	$	21.92	$	23.46