Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table summarizes basic and diluted earnings per share (in millions, except for per share amounts):

	Three Months Ended						Nine Months Ended
	September 30, 2015			September 30, 2014			September 30, 2015			September 30, 2014
Basic earnings per share
Net income attributable to stockholders	$	1,359		$	1,471		$	3,421		$	1,962
Less: cumulative dividends on Series A preferred stock(a)				(87		)				(263		)
Net income attributable to common stockholders	$	1,359		$	1,384		$	3,421		$	1,699
Weighted-average common shares outstanding	1,577			1,612			1,597			1,603
Basic earnings per common share	$	0.86		$	0.86		$	2.14		$	1.06
Diluted earnings per share
Net income attributable to common stockholders – basic	$	1,359		$	1,384		$	3,421		$	1,699
Less: earnings adjustment for dilutive stock compensation rights	(2		)	(8		)	(3		)	(22		)
Net income attributable to common stockholders – diluted	$	1,357		$	1,376		$	3,418		$	1,677
Weighted-average common shares outstanding – basic	1,577			1,612			1,597			1,603
Dilutive effect of warrants and restricted stock units (RSUs)	41			79			58			87
Weighted-average common shares outstanding – diluted	1,618			1,691			1,655			1,690
Diluted earnings per common share	$	0.84		$	0.81		$	2.07		$	0.99

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(a) Includes earned but undeclared dividends of $15 million on our Series A preferred stock in the three and nine months ended September 30, 2014.