Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of 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:

	Fiscal Years
	2020		2019		2018
Numerator (Dollars in Millions):
Net Earnings	$	2,765	$	3,331	$	3,309
Dividend Equivalents on Restricted Stock	—		—		(1)
Net Earnings, Attributable to Common Shareholders	$	2,765	$	3,331	$	3,308
Denominator (Units in Millions):
Average Common Shares Outstanding	766		796		857
Other Potentially Dilutive Common Shares	2		2		4
Average Common Shares Outstanding, Assuming Dilution	768		798		861
Net Earnings Per Share, Basic	$	3.61	$	4.18	$	3.86
Net Earnings Per Share, Assuming Dilution	$	3.60	$	4.17	$	3.84

Schedule of Average Outstanding Equity Awards Excluded from Diluted Earnings Per Share Calculation

The total average outstanding equity awards that were excluded from the diluted earnings per share calculation because their effect was antidilutive is in the table below.

	Fiscal Years
	2020	2019	2018
Antidilutive stock options excluded from Diluted EPS (in millions)	2	1	—

Schedule of Share Repurchase Activity

During 2020, 2019, and 2018, CSX repurchased the following shares:

	Fiscal Years
	2020		2019		2018
Shares Repurchased (Units in Millions)	13		48		72
Cost of Shares (Dollars in Millions)	$	867	$	3,373	$	4,671
Average Price Paid per Share	$	68.70	$	70.54	$	64.64