Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2011

Employee Benefit Plans [Abstract]

Obligations, Funded Status and Net Periodic Benefit Costs

	Pension Benefits												Other Postretirement Benefits
	U.S. Plans (1)						Non-U.S. Plans						U.S. Plans						Non-U.S. Plans
	December 31,
	2011			2010			2011			2010			2011			2010			2011			2010
	(In millions)
Change in benefit obligations:
Benefit obligations at January 1,	$	7,043		$	6,562		$	676		$	87		$	1,808		$	1,801		$	37		$	46
Service costs		187			172			64			8			16			16			1			1
Interest costs		404			393			16			6			106			111			2			2
Plan participants’ contributions		—			—			—			—			28			34			—			—
Net actuarial (gains) losses		1,072			301			24			(11	)		267			66			2			7
Acquisition, divestitures and curtailments		—			—			(5	)		639			—			—			1			—
Change in benefits		17			—			—			1			—			(81	)		—			1
Prescription drug subsidy		—			—			—			—			—			12			—			—
Benefits paid		(396	)		(385	)		(30	)		(35	)		(132	)		(151	)		(4	)		(3	)
Transfers		—			—			(13	)		—			—			—			—			(17	)
Effect of foreign currency translation		—			—			41			(19	)		—			—			—			—
Benefit obligations at December 31,		8,327			7,043			773			676			2,093			1,808			39			37
Change in plan assets:
Fair value of plan assets at January 1,		6,310			5,684			178			86			1,185			1,106			15			15
Actual return on plan assets		944			708			(4	)		8			80			97			(1	)		5
Acquisition and divestitures		—			—			(4	)		97			—			—			—			—
Plan participants’ contributions		—			—			—			—			28			34			—			—
Employer contributions		250			303			55			22			79			87			1			8
Benefits paid		(396	)		(385	)		(30	)		(35	)		(132	)		(139	)		(2	)		(1	)
Transfers		—			—			(13	)		—			—			—			—			(12	)
Effect of foreign currency translation		—			—			3			—			—			—			—			—
Fair value of plan assets at December 31,		7,108			6,310			185			178			1,240			1,185			13			15
Over (under) funded status at December 31,	$	(1,219	)	$	(733	)	$	(588	)	$	(498	)	$	(853	)	$	(623	)	$	(26	)	$	(22	)
Amounts recognized in the consolidated balance sheets consist of:
Other assets	$	—		$	106		$	3		$	6		$	—		$	—		$	—		$	—
Other liabilities		(1,219	)		(839	)		(591	)		(504	)		(853	)		(623	)		(26	)		(22	)
Net amount recognized	$	(1,219	)	$	(733	)	$	(588	)	$	(498	)	$	(853	)	$	(623	)	$	(26	)	$	(22	)
Accumulated other comprehensive (income) loss:
Net actuarial (gains) losses	$	2,498		$	2,117		$	10		$	(25	)	$	623		$	403		$	2		$	(3	)
Prior service costs (credit)		30			17			2			3			(179	)		(286	)		1			1
Accumulated other comprehensive (income) loss, before income tax	$	2,528		$	2,134		$	12		$	(22	)	$	444		$	117		$	3		$	(2	)

(1) Includes non-qualified unfunded plans, for which the aggregate projected benefit obligation was $997 million and $821 million at December 31, 2011 and 2010, respectively.

Pension and Other Postretirement Benefit Plans

	Pension Benefits
	U.S. Plans				Non-U.S. Plans
	December 31,
	2011		2010		2011		2010
	(In millions)
Projected benefit obligations	$	1,164	$	844	$	708	$	592
Accumulated benefit obligations	$	1,045	$	770	$	644	$	537
Fair value of plan assets	$	131	$	13	$	121	$	93

Defined benefit plan pension plans with projected benefit obligations in excess of plan assets

	Pension Benefits								Other Postretirement Benefits
	U.S. Plans				Non-U.S. Plans				U.S. Plans				Non-U.S. Plans
	December 31,
	2011		2010		2011		2010		2011		2010		2011		2010
	(In millions)
Projected benefit obligations	$	8,327	$	1,187	$	732	$	616	$	2,093	$	1,808	$	39	$	37
Fair value of plan assets	$	7,108	$	347	$	140	$	114	$	1,240	$	1,185	$	13	$	15

Net periodic benefit costs and other changes in plan assets and benefit obligations recognized in other comprehensive income (loss)

	Pension Benefits																	Other Postretirement Benefits
	U.S. Plans									Non-U.S. Plans								U.S. Plans									Non-U.S. Plans
	Years Ended December 31,
	2011			2010			2009			2011			2010			2009		2011			2010			2009			2011			2010		2009
	(In millions)
Net Periodic Benefit Costs:
Service costs	$	187		$	172		$	170		$	64		$	8		$	—	$	16		$	16		$	22		$	1		$	1	$	—
Interest costs		404			393			395			16			6			—		106			111			125			2			2		—
Settlement and curtailment costs		—			—			17			—			8			—		—			—			—			1			1		—
Expected return on plan assets		(448	)		(444	)		(439	)		(6	)		(6	)		—		(76	)		(79	)		(72	)		(1	)		—		—
Amortization of net actuarial (gains) losses		194			196			227			—			—			—		43			38			42			—			—		—
Amortization of prior service costs (credit)		4			7			10			—			—			—		(108	)		(83	)		(36	)		—			—		—
Total net periodic benefit costs (credit)		341			324			380			74			16			—		(19	)		3			81			3			4		—
Other Changes in Plan Assets and Benefit Obligations
Recognized in Other Comprehensive Income (Loss):
Net actuarial (gains) losses		575			37			310			34			(15	)		—		262			49			283			5			1		—
Prior service costs (credit)		17			—			(10	)		—			1			—		—			(81	)		(167	)		—			1		—
Amortization of net actuarial gains (losses)		(194	)		(196	)		(227	)		—			—			—		(43	)		(38	)		(42	)		—			—		—
Amortization of prior service (costs) credit		(4	)		(7	)		(10	)		—			—			—		108			83			36			—			—		—
Total recognized in other comprehensive income (loss)		394			(166	)		63			34			(14	)		—		327			13			110			5			2		—
Total recognized in net periodic benefit costs and other comprehensive income (loss)	$	735		$	158		$	443		$	108		$	2		$	—	$	308		$	16		$	191		$	8		$	6	$	—

Summary of the reduction to the APBO and related reduction to the components of net periodic other postretirement benefit plan cost

	December 31,
	2010			2009
	(In millions)
Cumulative reduction in other postretirement benefits obligations:
Balance at January 1,	$	247		$	317
Service costs		3			2
Interest costs		16			16
Net actuarial (gains) losses		(255	)		(76	)
Expected prescription drug subsidy		(11	)		(12	)
Balance at December 31,	$	—		$	247

	Years Ended December 31,
	2010		2009
	(In millions)
Reduction in net periodic other postretirement benefit costs:
Service costs	$	3	$	2
Interest costs		16		16
Amortization of net actuarial (gains) losses		10		11
Total reduction in net periodic benefit costs	$	29	$	29

Assumptions used in determining benefit obligations and net periodic benefit costs

	Pension Benefits		Other Postretirement Benefits
	U.S. Plans	Non-U.S. Plans (1)	U.S. Plans	Non-U.S. Plans (1)
December 31, 2011:
Weighted average discount rate	4.95%	2.33%	4.95%	5.60%
Rate of compensation increase	3.5% - 7.5%	2.4% - 5.5%	N/A	N/A
December 31, 2010:
Weighted average discount rate	5.80%	2.01%	5.80%	N/A
Rate of compensation increase	3.5% - 7.5%	2.0% - 4.0%	N/A	N/A

(1) Reflects those assumptions that were most appropriate for the local economic environments of each of the Subsidiaries providing such benefits.

	Pension Benefits		Other Postretirement Benefits
	U.S. Plans	Non-U.S. Plans (1)	U.S. Plans	Non-U.S. Plans (1)
Year Ended December 31, 2011:
Weighted average discount rate	5.80%	2.40%	5.80%	6.34%
Weighted average expected rate of return on plan assets	7.25%	3.19%	7.25%	7.01%
Rate of compensation increase	3.5% - 7.5%	3.0% - 5.5%	N/A	N/A
Year Ended December 31, 2010:
Weighted average discount rate	6.25%	1.76%	6.25%	N/A
Weighted average expected rate of return on plan assets	8.00%	1.32%	7.20%	N/A
Rate of compensation increase	3.5% - 7.5%	2.0% - 4.0%	N/A	N/A
Year Ended December 31, 2009:
Weighted average discount rate	6.60%	N/A	6.60%	N/A
Weighted average expected rate of return on plan assets	8.25%	N/A	7.36%	N/A
Rate of compensation increase	3.5% - 7.5%	N/A	N/A	N/A

(1) Reflects those assumptions that were most appropriate for the local economic environments of each of the Subsidiaries providing such benefits.

Assumed healthcare costs trend rates

	December 31,
	2011	2010
Pre-and Post-Medicare eligible claims	7.3% in 2012, gradually decreasing each year until 2083 reaching the ultimate rate of 4.3%.	7.8% in 2011, gradually decreasing each year until 2083 reaching the ultimate rate of 4.4%.

One-percentage point change in assumed healthcare cost trend rates

	U.S. Plans					Non-U.S. Plans
	One Percent   Increase		One Percent   Decrease			One Percent   Increase		One Percent   Decrease
	(In millions)
Effect on total of service and interest costs components	$	7	$	(9	)	$	—	$	—
Effect of accumulated postretirement benefit obligations	$	195	$	(160	)	$	1	$	(1	)

Plan Assets

	December 31, 2011
	Pension Benefits								Other Postretirement Benefits
	Fair Value Measurements at Reporting Date Using								Fair Value Measurements at Reporting Date Using
	Quoted Prices in Active Markets for Identical Assets and Liabilities    (Level 1)		Significant Other Observable Inputs   (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets  and Liabilities (Level 1)		Significant Other Observable Inputs   (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value
	(In millions)
Assets:
Fixed maturity securities:
Corporate	$	—	$	1,932	$	32	$	1,964	$	—	$	139	$	4	$	143
Federal agencies		1		286		—		287		—		29		—		29
Foreign bonds		—		213		5		218		—		13		—		13
Municipals		—		184		—		184		—		59		1		60
Preferred stocks		—		2		—		2		—		—		—		—
U.S. government bonds		1,007		187		—		1,194		160		1		—		161
Total fixed maturity securities		1,008		2,804		37		3,849		160		241		5		406
Equity securities:
Common stock - domestic		1,149		38		206		1,393		240		2		—		242
Common stock - foreign		287		—		—		287		55		—		—		55
Total equity securities		1,436		38		206		1,680		295		2		—		297
Money market securities		2		—		—		2		—		1		—		1
Pass-through securities		—		471		2		473		—		84		5		89
Derivative securities		30		10		4		44		—		—		1		1
Short-term investments		4		401		—		405		6		435		—		441
Other invested assets		—		69		531		600		—		—		—		—
Other receivables		—		47		—		47		—		4		—		4
Securities receivable		—		8		—		8		—		1		—		1
Total assets	$	2,480	$	3,848	$	780	$	7,108	$	461	$	768	$	11	$	1,240

	December 31, 2010
	Pension Benefits											Other Postretirement Benefits
	Fair Value Measurements at Reporting Date Using											Fair Value Measurements at Reporting Date Using
	Quoted Prices in Active Markets for Identical Assets and Liabilities    (Level 1)			Significant Other Observable Inputs   (Level 2)			Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value			Quoted Prices in Active Markets for Identical Assets and Liabilities    (Level 1)		Significant Other Observable Inputs   (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value
	(In millions)
Assets:
Fixed maturity securities:
Corporate	$	—		$	1,528		$	49	$	1,577		$	—	$	67	$	4	$	71
Federal agencies		—			175			—		175			—		15		—		15
Foreign bonds		—			143			4		147			—		4		—		4
Municipals		—			137			—		137			—		37		1		38
Preferred stocks		—			4			—		4			—		—		—		—
U.S. government bonds		650			136			—		786			82		—		—		82
Total fixed maturity securities		650			2,123			53		2,826			82		123		5		210
Equity securities:
Common stock - domestic		1,406			93			240		1,739			359		3		—		362
Common stock - foreign		461			—			—		461			77		—		—		77
Total equity securities		1,867			93			240		2,200			436		3		—		439
Money market securities		200			90			—		290			1		1		—		2
Pass-through securities		—			321			2		323			—		73		6		79
Derivative securities		3			(5	)		—		(2	)		—		—		—		—
Short-term investments		(11	)		101			—		90			8		443		—		451
Other invested assets		—			63			471		534			—		—		—		—
Other receivables		—			39			—		39			—		3		—		3
Securities receivable		—			70			—		70			—		2		—		2
Total assets	$	2,709		$	2,895		$	766	$	6,370		$	527	$	648	$	11	$	1,186
Liabilities:
Securities payable	$	—		$	60		$	—	$	60		$	—	$	1	$	—	$	1
Total liabilities	$	—		$	60		$	—	$	60		$	—	$	1	$	—	$	1
Total assets and liabilities	$	2,709		$	2,835		$	766	$	6,310		$	527	$	647	$	11	$	1,185

	Defined Benefit Plan								Postretirement Medical								Postretirement Life
	Target Range		Actual Allocation						Target Range		Actual Allocation						Target Range			Actual Allocation
			2011			2010					2011			2010						2011			2010
Asset Class:
Fixed maturity securities:
Corporate				27	%		24	%				17	%		9	%					—	%		—	%
Federal agency				4			3					4			2						—			—
Foreign bonds				3			3					2			3						—			—
Municipals				3			2					8			5						—			—
U.S. government bonds				16			12					20			11						—			—
Total fixed maturity securities		50% - 80%		53	%		44	%		50% - 100%		51	%		30	%		0	%		—	%		—	%
Equity securities:
Common stock - domestic				20	%		27	%				30	%		48	%					—	%		—	%
Common stock - foreign				4			8					7			10						—			—
Total equity securities		0% - 40%		24	%		35	%		0% - 50%		37	%		58	%		0	%		—	%		—	%
Alternative securities:
Money market securities				—	%		5	%				1	%		—	%					—	%		—	%
Pass-through securities				6			5					11			10						—			—
Derivatives				1			—					—			—						—			—
Short-term investments				6			1					—			1						100			100
Other invested assets				9			8					—			—						—			—
Other receivables				1			1					—			1						—			—
Securities receivable				—			1					—			—						—			—
Total alternative securities		10% - 20%		23	%		21	%		10% - 20%		12	%		12	%		100	%		100	%		100	%
Total assets				100	%		100	%				100	%		100	%					100	%		100	%

	December 31, 2011
	Pension Benefits								Other Postretirement Benefits
	Fair Value Measurements at Reporting Date Using								Fair Value Measurements at Reporting Date Using
	Quoted Prices in Active Markets for Identical Assets  and Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets  and Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value
	(In millions)
Assets:
Fixed maturity securities:
Foreign bonds	$	—	$	96	$	—	$	96	$	—	$	13	$	—	$	13
Total fixed maturity securities		—		96		—		96		—		13		—		13
Equity securities:
Common stock - foreign		—		43		—		43		—		—		—		—
Total equity securities		—		43		—		43		—		—		—		—
Derivative securities		—		—		13		13		—		—		—		—
Short-term investments		—		6		—		6		—		—		—		—
Other invested assets		19		—		—		19		—		—		—		—
Real estate		—		—		8		8		—		—		—		—
Total assets	$	19	$	145	$	21	$	185	$	—	$	13	$	—	$	13

	December 31, 2010
	Pension Benefits								Other Postretirement Benefits
	Fair Value Measurements at Reporting Date Using								Fair Value Measurements at Reporting Date Using
	Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value		Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Estimated Fair Value
	(In millions)
Assets:
Fixed maturity securities:
Foreign bonds	$	1	$	79	$	—	$	80	$	—	$	15	$	—	$	15
Total fixed maturity securities		1		79		—		80		—		15		—		15
Equity securities:
Common stock - domestic		4		—		—		4		—		—		—		—
Common stock - foreign		8		35		—		43		—		—		—		—
Total equity securities		12		35		—		47		—		—		—		—
Money market securities		—		10		—		10		—		—		—		—
Derivative securities		—		—		11		11		—		—		—		—
Short-term investments		2		4		—		6		—		—		—		—
Other invested assets		16		—		—		16		—		—		—		—
Real estate		—		—		8		8		—		—		—		—
Total assets	$	31	$	128	$	19	$	178	$	—	$	15	$	—	$	15

	Defined Benefit Plan									Other Postretirement Plans
				Actual Allocation									Actual Allocation
	Target			2011			2010			Target			2011			2010
Asset Class:
Fixed maturity securities:
Foreign bonds					52	%		45	%					100	%		100	%
Total fixed maturity securities		61	%		52	%		45	%		100	%		100	%		100	%
Equity securities:
Common stock - domestic					—	%		2	%					—	%		—	%
Common stock - foreign					23			24						—			—
Total equity securities		27	%		23	%		26	%		—	%		—	%		—	%
Alternative securities:
Money market securities					—	%		6	%					—	%		—	%
Short-term investments					3			3						—			—
Other invested assets					22			20						—			—
Total alternative securities		12	%		25	%		29	%		—	%		—	%		—	%
Total assets					100	%		100	%					100	%		100	%

Rollforward fair value measurement using significant unobservable outputs (level 3)

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Pension Benefits																		Other Postretirement Benefits
	Fixed Maturity Securities:						Equity Securities:												Fixed Maturity Securities:
	Corporate			Foreign Bonds			Common Stock- Domestic			Pass- Through Securities			Derivative Securities			Other Invested Assets			Corporate		Municipals		Pass- Through Securities			Derivative Securities
	(In millions)
Year Ended December 31, 2011:
Balance, January 1,	$	49		$	4		$	240		$	2		$	—		$	471		$	4	$	1	$	6		$	—
Total realized/unrealized gains (losses) included in:
Earnings:
Net investment income		—			—			—			—			—			—			—		—		—			—
Net investment gains (losses)		—			—			(59	)		(1	)		2			85			—		—		(1	)		—
Net derivative gains (losses)		—			—			—			—			—			—			—		—		—			—
Other revenues		—			—			—			—			—			—			—		—		—			—
Policyholder benefits and claims		—			—			—			—			—			—			—		—		—			—
Other expenses		—			—			—			—			—			—			—		—		—			—
Other comprehensive income (loss)		(4	)		(1	)		118			1			4			45			—		—		1			1
Purchases		—			2			7			1			—			97			—		—		—			—
Sales		(13	)		—			(100	)		(2	)		(2	)		(167	)		—		—		(1	)		—
Issuances		—			—			—			—			—			—			—		—		—			—
Settlements		—			—			—			—			—			—			—		—		—			—
Transfers into Level 3		—			—			—			1			—			—			—		—		1			—
Transfers out of Level 3		—			—			—			—			—			—			—		—		(1	)		—
Balance, December 31,	$	32		$	5		$	206		$	2		$	4		$	531		$	4	$	1	$	5		$	1

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Pension Benefits															Other Postretirement Benefits
	Fixed Maturity Securities:						Equity Securities:									Fixed Maturity Securities:
	Corporate			Foreign   Bonds			Common Stock   Domestic			Pass- Through   Securities			Other   Invested   Assets			Corporate		Municipals		Pass- Through   Securities
	(In millions)
Year Ended December 31, 2010:
Balance, January 1,	$	68		$	5		$	241		$	69		$	373		$	—	$	—	$	9
Total realized/unrealized gains (losses) included in:
Earnings:
Net investment income		—			—			—			—			—			—		—		—
Net investment gains (losses)		—			—			—			(11	)		78			—		—		(4	)
Net derivative gains (losses)		—			—			—			—			—			—		—		—
Other revenues		—			—			—			—			—			—		—		—
Policyholder benefits and claims		—			—			—			—			—			—		—		—
Other expenses		—			—			—			—			—			—		—		—
Other comprehensive income (loss)		7			1			(2	)		14			(4	)		1		—		1
Purchases, sales, issuances and settlements		(17	)		(2	)		1			(71	)		24			—		—		(1	)
Transfers into Level 3		4			—			—			2			—			3		1		1
Transfers out of Level 3		(13	)		—			—			(1	)		—			—		—		—
Balance, December 31,	$	49		$	4		$	240		$	2		$	471		$	4	$	1	$	6

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Pension Benefits																		Other Postretirement Benefits
	Fixed Maturity Securities:						Equity Securities:			Pass- Through     Securities			Derivative Securities			Other     Invested     Assets			Pass- Through Securities
	Corporate			Foreign     Bonds			Common     Stock Domestic
	(In millions)
Year Ended December 31, 2009:
Balance, January 1,	$	57		$	4		$	460		$	80		$	40		$	392		$	13
Total realized/unrealized gains (losses) included in:
Earnings:
Net investment income		—			—			—			—			—			—			—
Net investment gains (losses)		(5	)		(1	)		—			(2	)		36			4			(17	)
Net derivative gains (losses)		—			—			—			—			—			—			—
Other revenues		—			—			—			—			—			—			—
Policyholder benefits and claims		—			—			—			—			—			—			—
Other expenses		—			—			—			—			—			—			—
Other comprehensive income (loss)		21			5			(232	)		8			(39	)		(59	)		17
Purchases, sales, issuances and settlements		(3	)		(3	)		13			(24	)		(37	)		36			(4	)
Transfers into and/or out of Level 3		(2	)		—			—			7			—			—			—
Balance, December 31,	$	68		$	5		$	241		$	69		$	—		$	373		$	9

	Fair Value Measurements Using Significant Unobservable Inputs (Level  3)
	Pension Benefits
	Derivative Securities		Real Estate
	(In millions)
Year Ended December 31, 2011:
Balance, January 1,	$	11	$	8
Total realized/unrealized gains
(losses) included in:
Earnings:
Net investment income		—		—
Net investment gains (losses)		—		—
Net derivative gains (losses)		—		—
Other revenues		—		—
Policyholder benefits and claims		—		—
Other expenses		—		—
Other comprehensive income (loss)		2		—
Purchases		—		—
Sales		—		—
Issuances		—		—
Settlements		—		—
Transfers into Level 3		—		—
Transfers out of Level 3		—		—
Balance, December 31,	$	13	$	8

	Fair Value Measurements Using Significant Unobservable Inputs (Level  3)
	Pension Benefits
	Derivative Securities (1)			Real Estate (1)
	(In millions)
Year Ended December 31, 2010:
Balance, January 1,	$	—		$	—
Total realized/unrealized gains
(losses) included in:
Earnings:
Net investment income		—			—
Net investment gains (losses)		—			—
Net derivative gains (losses)		3			—
Other revenues		—			—
Policyholder benefits and claims		—			—
Other expenses		—			—
Other comprehensive income (loss)		(3	)		—
Purchases, sales, issuances, and settlements		(1	)		—
Transfers into Level 3		12			8
Transfers out of Level 3		—			—
Balance, December 31,	$	11		$	8

(1) Derivative securities and real estate transfers into Level 3 are due to the Acquisition and are not related to the changes in Level 3 classification at the security level.

Defined benefit plan estimated future benefit payments

	Pension Benefits				Other Postretirement Benefits
	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
	(In millions)
2012	$	448	$	38	$	109	$	3
2013	$	424	$	41	$	111	$	3
2014	$	456	$	45	$	114	$	3
2015	$	457	$	50	$	117	$	3
2016	$	474	$	58	$	118	$	3
2017-2021	$	2,687	$	322	$	605	$	14