Retirement Plans and Profit Sharing Arrangements (Tables)

12 Months Ended

Dec. 31, 2012

Defined Benefit Plans

Components of Net Periodic Pension Cost

	Years Ended December 31,
	2012			2011			2010
	(in millions)
Service cost	$	41		$	38		$	33
Interest cost		24			23			23
Expected return on plan assets		(30	)		(26	)		(23	)
Amortization of prior service costs		(1	)		(1	)		(2	)
Amortization of net (gain)/loss		7			1			—
Other		4			4			3
Net periodic benefit cost	$	45		$	39		$	34

Amounts recognized in the Consolidated Balance Sheets

	December 31,
	2012			2011
	(in millions)
Benefit liability	$	(214	)	$	(189	)
Benefit asset		8			5
Net amount recognized	$	(206	)	$	(184	)

Accumulated benefit obligations that exceeded the fair value of plan assets

	December 31,
	2012		2011
	(in millions)
Accumulated benefit obligation	$	503	$	434
Fair value of plan assets		333		282

Projected benefit obligations that exceeded the fair value of plan assets

	December 31,
	2012		2011
	(in millions)
Projected benefit obligation	$	547	$	470
Fair value of plan assets		333		282

Assumptions used to calculate Net Periodic Benefit Cost

	2012			2011			2010
Discount rates		4.15	%		4.75	%		5.28	%
Rates of increase in compensation levels		4.27			4.25			4.22
Expected long-term rates of return on assets		7.69			8.00			8.00

Pension plan assets measured at fair value on a recurring basis

	December 31, 2012
Asset Category	Level 1		Level 2		Level 3		Total
	(in millions)
Equity securities:
U.S. large cap stocks	$	89	$	14	$	—	$	103
U.S. small cap stocks		43		1		—		44
Non-U.S. large cap stocks		17		30		—		47
Emerging markets		13		20		—		33
Debt securities:
U.S. investment grade bonds		20		12		—		32
U.S. high yield bonds		—		20		—		20
Non-U.S. investment grade bonds		—		15		—		15
Real estate investment trusts		—		—		12		12
Hedge funds		—		—		18		18
Pooled pension funds		—		104		—		104
Cash equivalents		9		—		—		9
Total	$	191	$	216	$	30	$	437

	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

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		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
Actual return on plan assets:
Relating to assets still held at the reporting date		—		1
Purchases		1		5
Balance at December 31, 2012	$	12	$	18

Summary of unrealized losses included in other comprehensive income

	2012			2011			2010
	(in millions)
Net unrealized defined benefit losses at January 1	$	(75	)	$	(24	)	$	(20	)
Net losses		(23	)		(77	)		(4	)
Prior service credit		(2	)		(2	)		(2	)
Income tax benefit		9			28			2
Net unrealized defined benefit losses at December 31	$	(91	)	$	(75	)	$	(24	)

Pension Plans

Defined Benefit Plans

Weighted average assumptions used to determine benefit obligations

	2012			2011
Discount rates		3.45	%		4.15	%
Rates of increase in compensation levels		4.36			4.27

Expected benefit payments to retirees under retirement plans

	(in millions)
2013	$	53
2014		58
2015		57
2016		58
2017		62
2018-2022		282

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

	2012			2011
	(in millions)
Benefit obligation, January 1	$	546		$	469
Service cost		41			38
Interest cost		24			23
Benefits paid		(7	)		(6	)
Actuarial loss		51			40
Settlements		(15	)		(18	)
Foreign currency rate changes		3			—
Benefit obligation, December 31	$	643		$	546

Reconciliation of the changes in the fair value of plan assets for the pension plans

	2012			2011
	(in millions)
Fair value of plan assets, January 1	$	362		$	327
Actual return on plan assets		49			(12	)
Employer contributions		45			72
Benefits paid		(7	)		(6	)
Settlements		(15	)		(18	)
Foreign currency rate changes		3			(1	)
Fair value of plan assets, December 31	$	437		$	362

Other Postretirement Benefits

Defined Benefit Plans

Weighted average assumptions used to determine benefit obligations

	2012			2011
Discount rates		3.40	%		4.15	%
Healthcare cost increase rates:
Following year		6.50			7.00
Decreasing to the year 2016		5.00			5.00

Expected benefit payments to retirees under retirement plans

	(in millions)
2013	$	2
2014		2
2015		2
2016		2
2017		1
2018-2022		7

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

	2012			2011
	(in millions)
Benefit obligation, January 1	$	19		$	21
Interest cost		1			1
Benefits paid		(4	)		(5	)
Participant contributions		3			4
Actuarial gain		1			(2	)
Benefit obligation, December 31	$	20		$	19