Supplemental Quarterly Results (Unaudited)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Data [Abstract]

Supplemental Quarterly Results

SUPPLEMENTAL QUARTERLY RESULTS (UNAUDITED)

The following is a summary of the quarterly results of operations for the years ended December 31, 2020 and 2019:

(in millions, except share amounts)	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
	2020
Operating revenues	$	592	$	410	$	527	$	779
Operating loss	(1,490)		(756)		(381)		(244)
Net loss	(1,547)		(880)		(593)		(92)
Loss per share – Basic	(2.86)		(1.63)		(1.04)		(0.14)
Loss per share – Diluted	(2.86)		(1.63)		(1.04)		(0.14)
	2019
Operating revenues	$	990	$	667	$	636	$	745
Operating income (loss)	213		22		(29)		64
Net income	594		138		49		110
Earnings per share – Basic	1.10		0.26		0.09		0.20
Earnings per share – Diluted	1.10		0.26		0.09		0.20