Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Information [Abstract]

Schedule Summarizing Quarterly Operation Results

	2011
	First		Second		Third		Fourth
	(in millions, except per share results)
Total revenues	$	9,191	$	9,284	$	9,301	$	9,056
Income before income taxes		497		726		699		313
Net income		315		460		445		199
Basic earnings per common share		1.88		2.76		2.71		1.22
Diluted earnings per common share		1.86		2.71		2.67		1.20
	2010
	First		Second (1)		Third		Fourth (2)
	(in millions, except per share results)
Total revenues	$	8,380	$	8,589	$	8,351	$	8,276
Income before income taxes		417		536		622		174
Net income		259		340		393		107
Basic earnings per common share		1.54		2.02		2.35		0.64
Diluted earnings per common share		1.52		2.00		2.32		0.63

(1) Includes an expense of $147 million ($93 million after tax, or $0.55 per diluted common share) for the write-down of deferred acquisition costs associated with our individual commercial medical policies as more fully described in Note 17 to the consolidated financial statements.

(2) Includes an expense of $139 million ($88 million after tax, or $0.52 per diluted common share) associated with reserve strengthening for our closed block of long-term care policies acquired in connection with the 2007 acquisition of KMG America Corporation as more fully described in Note 17 to the consolidated financial statements.