Investments (Tables)

6 Months Ended

Jun. 30, 2013

Net Investment Income



Periods ended June 30	Three Months						Six Months
(In millions)	2013			2012			2013			2012
Fixed maturity securities	$	498		$	505		$	997		$	1,021
Short term investments	1			2			2			3
Limited partnership investments	79			(35		)	210			95
Equity securities	3			2			6			6
Mortgage loans	6			5			11			8
Trading portfolio (a)	5			4			10			11
Other	—			2			1			3
Gross investment income	592			485			1,237			1,147
Investment expense	(14		)	(15		)	(26		)	(29		)
Net investment income	$	578		$	470		$	1,211		$	1,118

___________________


(a)	There were no net unrealized gains (losses) related to changes in fair value of trading securities still held included in net investment income for the three or six months ended June 30, 2013 or 2012.

Net realized investment gains (losses)

Net Realized Investment Gains (Losses)



Periods ended June 30	Three Months						Six Months
(In millions)	2013			2012			2013			2012
Net realized investment gains (losses):
Fixed maturity securities:
Gross realized gains	$	37		$	49		$	81		$	118
Gross realized losses	(42		)	(32		)	(54		)	(71		)
Net realized investment gains (losses) on fixed maturity securities	(5		)	17			27			47
Equity securities:
Gross realized gains	5			2			7			5
Gross realized losses	(7		)	(2		)	(22		)	(4		)
Net realized investment gains (losses) on equity securities	(2		)	—			(15		)	1
Derivatives	(5		)	1			(3		)	—
Short term investments and other	(2		)	4			5			10
Net realized investment gains (losses)	$	(14	)	$	22		$	14		$	58

Components of net other-than-temporary impairment losses recognized in earnings

The components of net other-than-temporary impairment (OTTI) losses recognized in earnings by asset type are summarized in the following table.



Periods ended June 30	Three Months				Six Months
(In millions)	2013		2012		2013		2012
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	5	$	6	$	8	$	16
Asset-backed:
Residential mortgage-backed	3		15		3		29
Other asset-backed	1		—		1		—
Total asset-backed	4		15		4		29
U.S. Treasury and obligations of government-sponsored enterprises	—		—		—		1
Total fixed maturity securities available-for-sale	9		21		12		46
Equity securities available-for-sale:
Common stock	2		2		2		4
Preferred stock	5		—		20		—
Total equity securities available-for-sale	7		2		22		4
Net OTTI losses recognized in earnings	$	16	$	23	$	34	$	50

Summary of fixed maturity and equity securities

Summary of Fixed Maturity and Equity Securities



June 30, 2013	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	20,079	$	1,826	$	147	$	21,758	$	—
States, municipalities and political subdivisions	10,098		814		173		10,739		—
Asset-backed:
Residential mortgage-backed	5,031		153		88		5,096		(37		)
Commercial mortgage-backed	1,941		95		27		2,009		(3		)
Other asset-backed	933		16		2		947		—
Total asset-backed	7,905		264		117		8,052		(40		)
U.S. Treasury and obligations of government-sponsored enterprises	167		9		—		176		—
Foreign government	528		17		1		544		—
Redeemable preferred stock	121		13		2		132		—
Total fixed maturity securities available-for-sale	38,898		2,943		440		41,401		$	(40	)
Total fixed maturity securities trading	30		—		—		30
Equity securities available-for-sale:
Common stock	47		10		—		57
Preferred stock	138		4		—		142
Total equity securities available-for-sale	185		14		—		199
Total	$	39,113	$	2,957	$	440	$	41,630



December 31, 2012	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
(In millions)	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Unrealized OTTI Losses (Gains)
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	19,530	$	2,698	$	21	$	22,207	$	—
States, municipalities and political subdivisions	9,372		1,455		44		10,783		—
Asset-backed:
Residential mortgage-backed	5,745		246		71		5,920		(28		)
Commercial mortgage-backed	1,692		147		17		1,822		(3		)
Other asset-backed	929		23		—		952		—
Total asset-backed	8,366		416		88		8,694		(31		)
U.S. Treasury and obligations of government-sponsored enterprises	172		11		1		182		—
Foreign government	588		25		—		613		—
Redeemable preferred stock	113		13		1		125		—
Total fixed maturity securities available-for-sale	38,141		4,618		155		42,604		$	(31	)
Total fixed maturity securities trading	29		—		—		29
Equity securities available-for-sale:
Common stock	38		14		—		52
Preferred stock	190		7		—		197
Total equity securities available-for-sale	228		21		—		249
Total	$	38,398	$	4,639	$	155	$	42,882

Securities in a gross unrealized loss position

Securities in a Gross Unrealized Loss Position



	Less than 12 Months				12 Months or Longer				Total
June 30, 2013	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	3,478	$	143	$	33	$	4	$	3,511	$	147
States, municipalities and political subdivisions	2,075		130		119		43		2,194		173
Asset-backed:
Residential mortgage-backed	1,462		33		321		55		1,783		88
Commercial mortgage-backed	593		23		79		4		672		27
Other asset-backed	235		2		—		—		235		2
Total asset-backed	2,290		58		400		59		2,690		117
Foreign government	65		1		—		—		65		1
Redeemable preferred stock	39		2		—		—		39		2
Total	$	7,947	$	334	$	552	$	106	$	8,499	$	440



	Less than 12 Months				12 Months or Longer				Total
December 31, 2012	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
(In millions)	Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses		Estimated Fair Value		Gross Unrealized Losses
Fixed maturity securities available-for-sale:
Corporate and other bonds	$	846	$	13	$	108	$	8	$	954	$	21
States, municipalities and political subdivisions	254		5		165		39		419		44
Asset-backed:
Residential mortgage-backed	583		5		452		66		1,035		71
Commercial mortgage-backed	85		2		141		15		226		17
Total asset-backed	668		7		593		81		1,261		88
U.S. Treasury and obligations of government-sponsored enterprises	23		1		—		—		23		1
Redeemable preferred stock	28		1		—		—		28		1
Total	$	1,819	$	27	$	866	$	128	$	2,685	$	155

The following table summarizes the activity for the three and six months ended June 30, 2013 and 2012 related to the pretax credit loss component reflected in Retained earnings on fixed maturity securities still held at June 30, 2013 and 2012 for which a portion of an OTTI loss was recognized in Other comprehensive income (loss).



Periods ended June 30	Three Months						Six Months
(In millions)	2013			2012			2013			2012
Beginning balance of credit losses on fixed maturity securities	$	92		$	100		$	95		$	92
Additional credit losses for securities for which an OTTI loss was previously recognized	1			10			1			21
Credit losses for securities for which an OTTI loss was not previously recognized	—			1			—			2
Reductions for securities sold during the period	(4		)	(4		)	(7		)	(8		)
Reductions for securities the Company intends to sell or more likely than not will be required to sell	—			(8		)	—			(8		)
Ending balance of credit losses on fixed maturity securities	$	89		$	99		$	89		$	99

Contractual maturity

Contractual Maturity



	June 30, 2013				December 31, 2012
(In millions)	Cost or Amortized Cost		Estimated Fair Value		Cost or Amortized Cost		Estimated Fair Value
Due in one year or less	$	2,105	$	2,153	$	1,648	$	1,665
Due after one year through five years	11,450		12,078		13,603		14,442
Due after five years through ten years	10,613		10,981		8,726		9,555
Due after ten years	14,730		16,189		14,164		16,942
Total	$	38,898	$	41,401	$	38,141	$	42,604

- Definition

Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.

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