Significant Accounting Matters (Tables)

6 Months Ended

Jun. 30, 2015

Basic and Diluted EPS Calculations

	Three Months Ended June 30,
	2015				2014
	(in millions, except per share data)
			$/share				$/share
Earnings Attributable to AEP Common Shareholders	$	430			$	390
Weighted Average Number of Basic Shares Outstanding	490.2		$	0.88	488.3		$	0.80
Weighted Average Dilutive Effect of Restricted Stock Units	0.3		—		0.2		—
Weighted Average Number of Diluted Shares Outstanding	490.5		$	0.88	488.5		$	0.80

	Six Months Ended June 30,
	2015				2014
	(in millions, except per share data)
			$/share				$/share
Earnings Attributable to AEP Common Shareholders	$	1,059			$	950
Weighted Average Number of Basic Shares Outstanding	489.9		$	2.16	488.1		$	1.95
Weighted Average Dilutive Effect of Restricted Stock Units	0.3		—		0.3		—
Weighted Average Number of Diluted Shares Outstanding	490.2		$	2.16	488.4		$	1.95