Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Reconciliation of the Earnings and Number of Shares Used in Calculations of Basic and Diluted Earnings Per Share

The table below presents the reconciliation of the earnings and number of shares used in our calculations of basic and diluted earnings per share:

	Three Months Ended
(in millions, except per share amounts)	March 31, 2020		March 31, 2019
Computation of Basic Earnings Per Share
Net income	$	31	$	375
Shares for basic earnings per share	325.4		339.6
Basic earnings per share	$	0.10	$	1.10
Computation of Diluted Earnings Per Share
Net income	$	31	$	375
Shares for basic earnings per share	325.4		339.6
Effect of dilutive securities
Share-based compensation	2.0		3.2
Shares for diluted earnings per share	327.4		342.8
Diluted earnings per share	$	0.09	$	1.09