Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted loss per share

The following table shows the computation of basic and diluted loss per share:

Basic and diluted loss per share
	Three Months Ended March 31,
(in millions, except per share data)	2021		2020
Net loss	$	(1,177)	$	(534)
Basic weighted average shares outstanding	636		637
Dilutive effect of share-based awards	—		—
Diluted weighted average shares outstanding	636		637
Basic loss per share	$	(1.85)	$	(0.84)
Diluted loss per share	$	(1.85)	$	(0.84)