CONSOLIDATED COMPREHENSIVE INCOME STATEMENTS (USD $) In Millions, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 27, 2013	Sep. 27, 2013	Jun. 28, 2013	Mar. 29, 2013	Dec. 30, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 30, 2011	Sep. 30, 2011	Jul. 01, 2011	Apr. 01, 2011	Dec. 27, 2013		Dec. 28, 2012		Dec. 30, 2011
Net Earnings	$ 426	$ 455	$ 521	$ 462	$ 449	$ 437	$ 496	$ 481	$ 483	$ 463	$ 502	$ 406	$ 1,864		$ 1,863	[1]	$ 1,854	[1]
Other Comprehensive (Loss) Income, Net of Tax													413		(61)	[1]	(104)	[1]
Comprehensive Earnings													2,277		1,802	[1]	1,750	[1]
Pension and Other Post-Employment Benefits
Other Comprehensive (Loss) Income, Net of Tax													389		(52)	[1]	(88)	[1]
Other
Other Comprehensive (Loss) Income, Net of Tax													$ 24	[2]	$ (9)	[1],[2]	$ (16)	[1],[2]

[1] See the revision of prior period financial statements in Note 1. Nature of Operations and Significant Accounting Policies.

[2] Other primarily represents CSX's share of AOCI of equity method investees. Amounts reclassified to net earnings are included in other income - net on the consolidated income statements.