Retirement Plans and Profit Sharing Arrangements (Tables)

12 Months Ended

Dec. 31, 2011

Defined Benefit Plans

Components of Net Periodic Pension Cost

	Years Ended December 31,
	2011			2010			2009
	(in millions)
Service cost	$	38		$	33		$	32
Interest cost		23			23			25
Expected return on plan assets		(26	)		(23	)		(22	)
Amortization of prior service costs		(1	)		(2	)		(1	)
Amortization of net (gain)/loss		1			—			—
Other		4			3			3
Net periodic benefit cost	$	39		$	34		$	37

Schedule of reconciliation of changes in benefit obligation and fair value of assets for pension plans

	2011			2010
	(in millions)
Benefit obligation, January 1	$	469		$	421
Service cost		38			33
Interest cost		23			23
Benefits paid		(6	)		(6	)
Actuarial loss		40			23
Settlements		(18	)		(24	)
Foreign currency rate changes		—			(1	)
Benefit obligation, December 31	$	546		$	469

	2011			2010
	(in millions)
Fair value of plan assets, January 1	$	327		$	256
Actual return on plan assets		(12	)		39
Employer contributions		72			64
Benefits paid		(6	)		(6	)
Settlements		(18	)		(24	)
Foreign currency rate changes		(1	)		(2	)
Fair value of plan assets, December 31	$	362		$	327

Amounts recognized in the Consolidated Balance Sheets

	December 31,
	2011			2010
	(in millions)
Benefit liability	$	(189	)	$	(162	)
Benefit asset		5			20
Net amount recognized	$	(184	)	$	(142	)

Accumulated benefit obligations that exceeded the fair value of plan assets

	December 31,
	2011		2010
	(in millions)
Accumulated benefit obligation	$	434	$	376
Fair value of plan assets		282		248

Projected benefit obligations that exceeded the fair value of plan assets

	December 31,
	2011		2010
	(in millions)
Projected benefit obligation	$	470	$	410
Fair value of plan assets		282		248

Assumptions used to calculate Net Periodic Benefit Cost

	2011			2010			2009
Discount rates		4.75	%		5.28	%		6.22	%
Rates of increase in compensation levels		4.25			4.22			4.23
Expected long-term rates of return on assets		8.00			8.00			8.20

Pension plan assets measured at fair value on a recurring basis

	December 31, 2011
Asset Category	Level 1		Level 2		Level 3		Total
	(in millions)
Equity securities:
U.S. large cap stocks	$	75	$	9	$	—	$	84
U.S. small cap stocks		38		1		—		39
Non-U.S. large cap stocks		14		23		—		37
Emerging markets		10		15		—		25
Debt securities:
U.S. investment grade bonds		17		15		—		32
U.S. high yield bonds		—		11		—		11
Non-U.S. investment grade bonds		—		16		—		16
Real estate investment trusts		—		—		11		11
Hedge funds		—		—		12		12
Pooled pension funds		—		80		—		80
Cash equivalents		15		—		—		15
Total	$	169	$	170	$	23	$	362

	December 31, 2010
Asset Category	Level 1		Level 2		Level 3		Total
	(in millions)
Equity securities:
U.S. large cap stocks	$	72	$	3	$	—	$	75
U.S. small cap stocks		33		1		—		34
Non-U.S. large cap stocks		12		18		—		30
Emerging markets		15		14		—		29
Debt securities:
U.S. investment grade bonds		13		9		—		22
U.S. high yield bonds		—		11		—		11
Non-U.S. investment grade bonds		—		12		—		12
Real estate investment trusts		—		—		8		8
Hedge funds		—		—		9		9
Pooled pension funds		—		79		—		79
Cash equivalents		18		—		—		18
Total	$	163	$	147	$	17	$	327

Summary of changes in Level 3 assets measured at fair value on a recurring basis

Asset Category	Real Estate Investment Trusts		Hedge Funds
Balance at January 1, 2010	$	5	$	—
Actual return on plan assets:
Relating to assets still held at the reporting date		1		—
Purchases, sales, and settlements, net		2		9
Balance at December 31, 2010		8		9
Actual return on plan assets:
Relating to assets still held at the reporting date		1		—
Purchases		2		11
Sales		—		(8	)
Balance at December 31, 2011	$	11	$	12

Schedule of reconciliation of the changes in the defined postretirement benefit plan obligation

	2011			2010
	(in millions)
Benefit obligation, January 1	$	21		$	22
Interest cost		1			1
Benefits paid		(5	)		(5	)
Participant contributions		4			4
Actuarial gain		(2	)		(1	)
Benefit obligation, December 31	$	19		$	21

Summary of unrealized losses included in other comprehensive income

	2011			2010			2009
	(in millions)
Net unrealized defined benefit losses at January 1	$	(24	)	$	(20	)	$	(39	)
Net gains (losses)		(77	)		(4	)		15
Prior service cost (credit)		(2	)		(2	)		14
Income tax benefit (provision)		28			2			(10	)
Net unrealized defined benefit losses at December 31	$	(75	)	$	(24	)	$	(20	)

Pension Plans

Defined Benefit Plans

Weighted average assumptions used to determine benefit obligations

	2011			2010
Discount rates		4.15	%		4.75	%
Rates of increase in compensation levels		4.27			4.25

Expected benefit payments to retirees under retirement plans

	(in millions)
2012	$	45
2013		48
2014		49
2015		51
2016		53
2017-2021		250

Other Postretirement Benefits

Defined Benefit Plans

Weighted average assumptions used to determine benefit obligations

	2011			2010
Discount rates		4.15	%		4.90	%
Healthcare cost increase rates:
Following year		7.00			7.50
Decreasing to the year 2016		5.00			5.00

Expected benefit payments to retirees under retirement plans

	(in millions)
2012	$	2
2013		2
2014		2
2015		1
2016		1
2017-2021		7