Income Per Common Share (Tables)

3 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Reconciliation of basic and diluted income per common share

The following table presents basic and diluted income per common share information for the three months ended June 30, 2018 and 2017:

	Three Months Ended June 30,
	2018			2017
	(in millions, except per share amounts)
Basic income per common share:
Net income	$	166		$	178
Less: Net income allocable to participating securities	(2		)	(2		)
Net income allocable to common shares	$	164		$	176
Weighted average common shares outstanding	413			415
Basic income per common share	$	0.40		$	0.42
Diluted income per common share:
Net income	$	166		$	178
Less: Net income allocable to participating securities	(2		)	(2		)
Net income allocable to common shares	$	164		$	176
Weighted average shares outstanding and common share equivalents:
Weighted average common shares outstanding	413			415
Weighted average effect of share-based payment awards	2			2
Denominator in calculation of diluted income per share	415			417
Diluted income per common share	$	0.40		$	0.42