Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Computation of Earnings Per Share

The computations of UAL's basic and diluted earnings per share are set forth below for the years ended December 31 (in millions, except per share amounts):

	2018		2017 (a)		2016 (a)
Earnings available to common stockholders	$	2,129	$	2,144	$	2,234
Basic weighted-average shares outstanding	275.5		302.7		329.9
Effect of employee stock awards	1.2		0.9		0.4
Diluted weighted-average shares outstanding	276.7		303.6		330.3
Earnings per share, basic	$	7.73	$	7.08	$	6.77
Earnings per share, diluted	$	7.70	$	7.06	$	6.76

(a) Amounts adjusted due to the adoption of Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606). See Note 1 to the financial statements contained in Part II, Item 8 of this report for additional information.