Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Dilutive Impact of Common Stock Equivalents

The dilutive impact of common stock equivalents affecting EPS was as follows:

	2015					2014					2013
(Amounts in thousands, except per share data)	Income		Shares	Per Share Amount		Income		Shares	Per Share Amount		Income		Shares	Per Share Amount
Net income	$	984,485				$	1,021,306				$	948,234
Basic EPS:
Earnings available to common shareholders	984,485		507,768	$	1.94	1,021,306		503,847	$	2.03	948,234		496,073	$	1.91
Effect of dilutive securities:
Equity awards	—		400			—		270			—		459
Diluted EPS:
Earnings available to common shareholders	$	984,485	508,168	$	1.94	$	1,021,306	504,117	$	2.03	$	948,234	496,532	$	1.91