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Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of reconciliations of the numerators and denominators used in the computations of basic and diluted earnings per common share

Reconciliations of the numerators and denominators used in the computations of basic and diluted income per common share were as follows, in millions: 

	Three Months Ended June 30,								Six Months Ended June 30,
	2019				2018				2019				2018
Numerator (basic and diluted):
Net income	$	240			$	211			$	356			$	360
Less: Allocation to unvested restricted stock awards	2				1				2				3
Net income available to common shareholders	$	238			$	210			$	354			$	357
Denominator:
Basic common shares (based upon weighted average)	289				306				291				308
Add: Stock option dilution	1				3				1				3
Diluted common shares	290				309				292				311

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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