Quarterly Results (Unaudited) Level 3 (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	Three months ended
	March 31,					June 30,						September 30,					December 31,
	2014		2013			2014			2013			2014		2013			2014		2013
Revenues	$	4,612	$	6,300		$	4,616		$	4,734		$	4,769	$	4,862		$	4,617	$	4,777
Benefits, losses and expenses	4,003		5,994			4,466			4,497			4,273		4,416			4,173		4,295
Income from continuing operations, net of tax	466		243			150			233			388		365			345		384
Income (loss) from discontinued operations, net of tax	29		(484		)	(617		)	(423		)	—		(72		)	37		(70		)
Net income (loss)	495		(241		)	(467		)	(190		)	388		293			382		314
Less: Preferred stock dividends and discount accretion	—		10			—			—			—		—			—		—
Net income (loss) available to common shareholders [1]	$	495	$	(251	)	$	(467	)	$	(190	)	$	388	$	293		$	382	$	314
Basic earnings (losses) per common share	$	1.10	$	(0.58	)	$	(1.04	)	$	(0.42	)	$	0.89	$	0.65		$	0.89	$	0.70
Diluted earnings (losses) per common share	$	1.03	$	(0.49	)	$	(1.00	)	$	(0.39	)	$	0.86	$	0.60		$	0.86	$	0.65
Weighted average common shares outstanding, basic	449.8		436.3			450.6			451.4			437.2		452.1			429.6		451.1
Weighted average shares outstanding and dilutive potential common shares [2]	478.6		493.1			467.9			489.0			450.8		490.6			442.6		486.1

[1] Weighted average common shares outstanding and dilutive potential common shares are used in the calculation of diluted earnings (losses) per common share in periods of losses when the impact is dilutive to income from continuing operations, net of tax, available to common shareholders.

[2] The three months ended March 31, 2013 includes the dilutive effect of the assumed conversion of 21.2 million preferred shares. The preferred shares converted to 21.2 million common shares in April 2013.