Investments in fixed maturity securities (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of investments in securities with fixed maturities

Investments in securities with fixed maturities as of December 31, 2011 and 2010 are summarized by type below (in millions).

	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
December 31, 2011
U.S. Treasury, U.S. government corporations and agencies	$	2,894	$	41	$	—		$	2,935
States, municipalities and political subdivisions		2,862		208		—			3,070
Foreign governments		10,608		283		(48	)		10,843
Corporate bonds		11,120		1,483		(155	)		12,448
Mortgage-backed securities		2,564		343		(15	)		2,892
	$	30,048	$	2,358	$	(218	)	$	32,188
December 31, 2010
U.S. Treasury, U.S. government corporations and agencies	$	2,151	$	48	$	(2	)	$	2,197
States, municipalities and political subdivisions		3,356		225		—			3,581
Foreign governments		11,721		242		(51	)		11,912
Corporate bonds		11,773		2,304		(23	)		14,054
Mortgage-backed securities		2,838		312		(11	)		3,139
	$	31,839	$	3,131	$	(87	)	$	34,883

Investments in fixed maturity securities are reflected in our Consolidated Balance Sheets as follows (in millions).

	December 31,
	2011		2010
Insurance and other	$	31,222	$	33,803
Finance and financial products		966		1,080
	$	32,188	$	34,883

Schedule of amortized cost and estimated fair value of securities with fixed maturities

The amortized cost and estimated fair value of securities with fixed maturities at December 31, 2011 are summarized below by contractual maturity dates. Actual maturities will differ from contractual maturities because issuers of certain of the securities retain early call or prepayment rights. Amounts are in millions.

	Due in one year or less		Due after one year through five years		Due after five years through ten years		Due after ten years		Mortgage-backed securities		Total
Amortized cost	$	6,969	$	13,890	$	4,192	$	2,433	$	2,564	$	30,048
Fair value		7,063		14,487		4,823		2,923		2,892		32,188