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(Loss) Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of (loss) earnings per share, basic and diluted

The following table shows how we computed basic and diluted earnings per common share for the years ended December 31 (dollars and share data in millions):

						2020						2019						2018
Net (loss) income						$	(1,354)					$	569					$	189
Weighted average basic shares						277.5						296.6						312.9
Effect of dilutive securities						2.0						1.8						1.6
Weighted average diluted shares						279.5						298.4						314.5
Earnings per common share
Basic						$	(4.88)					$	1.92					$	0.60
Diluted						$	(4.88)					$	1.91					$	0.60

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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