(Loss)/Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted earnings per share

The following table shows the computation of basic and diluted (loss)/earnings per share:

	Three Months Ended March 31,
(in millions, except per share data)	2020		2019
Net (loss)/income	$	(534)	$	730
Basic weighted average shares outstanding	637		665
Dilutive effect of share-based awards	—		2
Diluted weighted average shares outstanding	637		667
Basic (loss)/earnings per share	$	(0.84)	$	1.10
Diluted (loss)/earnings per share	$	(0.84)	$	1.09