Earnings and Dividends Per Common Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computations for Basic and Diluted Earnings Per Common Share from Continuing Operations

The computations for basic and diluted earnings (loss) per common share from continuing operations are as follows:

(Dollars in millions, except per share amounts)	2021		2020		2019
Net earnings (loss) attributable to United States Steel Corporation stockholders	$	4,174	$	(1,165)	$	(630)
Weighted-average shares outstanding (in thousands):
Basic	264,667		196,721		171,418
Effect of convertible notes	11,126		—		—
Effect of stock options, restricted stock units and performance awards	4,651		—		—
Adjusted weighted-average shares outstanding, diluted	280,444		196,721		171,418
Basic earnings (loss) per common share	$	15.77	$	(5.92)	$	(3.67)
Diluted earnings (loss) per common share	$	14.88	$	(5.92)	$	(3.67)

Antidilutive Securities that were Not Included in Computations of Diluted Loss Per Common Share

The following table summarizes the securities that were antidilutive, and therefore, were not included in the computation of diluted earnings (loss) per common share:

(In thousands)	2021	2020	2019
Securities granted under the 2016 Omnibus Incentive Compensation Plan, as amended and restated	1,185	6,780	4,459
Securities convertible under the Senior Convertible Notes	—	—	650
Total	1,185	6,780	5,109