Benefit Obligations (Tables)

12 Months Ended

Dec. 31, 2011

Compensation and Retirement Disclosure [Abstract]

Schedule of Contributions to Defined Contribution Plans and Multiemployer Defined Benefit Pension Plans

Contributions to the defined contribution plans and multiemployer defined benefit pension plans are as follows:



	Year Ended December 31,
	2011	2010	2009
	(In $ millions)
Defined contribution plans	15	14	11
Multiemployer defined benefit plan	6	6	6

Schedule of Company's Pension and Post Retirement Benefit Plans

Summarized information on the Company's pension and postretirement benefit plans is as follows:



	Pension Benefits				Postretirement Benefits
	As of December 31,				As of December 31,
	2011		2010		2011		2010
	(In $ millions)
Change in projected benefit obligation
Projected benefit obligation as of beginning of period	3,533		3,342		282		281
Service cost	28		30		1		1
Interest cost	182		188		13		15
Participant contributions	—		—		21		22
Plan amendments	(3	)	—		—		—
Net actuarial (gain) loss⁽¹⁾	274		210		13		11
Divestitures	—		—		—		—
Settlements	(1	)	—		—		—
Benefits paid	(236	)	(227	)	(53	)	(56	)
Federal subsidy on Medicare Part D	—		—		4		7
Curtailments	(1	)	(3	)	—		—
Exchange rate changes	(15	)	(7	)	—		1
Projected benefit obligation as of end of period	3,761		3,533		281		282
Change in plan assets
Fair value of plan assets as of beginning of period	2,460		2,329		—		—
Actual return on plan assets	169		308		—		—
Employer contributions⁽³⁾	181		52		32		34
Participant contributions	—		—		21		22
Divestitures	—		—		—		—
Settlements	—		—		—		—
Benefits paid⁽³⁾	(236	)	(227	)	(53	)	(56	)
Exchange rate changes	(12	)	(2	)	—		—
Fair value of plan assets as of end of period	2,562		2,460		—		—
Funded Status as of end of period	(1,199	)	(1,073	)	(281	)	(282	)
Amounts recognized in the consolidated balance sheets consist of
Noncurrent Other assets	27		18		—		—
Current Other liabilities	(22	)	(22	)	(25	)	(27	)
Benefit obligations	(1,204	)	(1,069	)	(256	)	(255	)
Net amount recognized	(1,199	)	(1,073	)	(281	)	(282	)
Amounts recognized in accumulated other comprehensive income consist of
Net actuarial (gain) loss⁽²⁾	994		720		(35	)	(50	)
Prior service (benefit) cost	7		6		1		1
Net amount recognized	1,001		726		(34	)	(49	)

__________________

⁽¹⁾ Primarily relates to change in discount rates.

⁽²⁾ Amount includes $1 million and $1 million as of December 31, 2011 and 2010, respectively, related to the Company's equity method investments. Amount shown net of tax of $203 million and $93 million as of December 31, 2011 and 2010, respectively, in the consolidated statements of equity (Note 16).


⁽³⁾	Included in pension benefits are contributions to and benefit payments from nonqualified trusts related to nonqualified pension plans of $20 million and $20 million as of December 31, 2011 and 2010.

Schedule of Percentage of US and International Projected Benefit Obligation

The percentage of US and international projected benefit obligation at the end of the period is as follows:



	Pension Benefits		Postretirement Benefits
	As of December 31,		As of December 31,
	2011	2010	2011	2010
	(In percentages)
US plans	86	85	88	89
International plans	14	15	12	11
Total	100	100	100	100

Schedule of Percentage of US and International Fair Value of Plan Assets

The percentage of US and international fair value of plan assets at the end of the period is as follows:



	Pension Benefits
	As of December 31,
	2011	2010
	(In percentages)
US plans	82	82
International plans	18	18
Total	100	100

Schedule of Pension Plans with Projected Benefit Obligations in Excess of Plan Assets

Pension plans with projected benefit obligations in excess of plan assets are as follows:



	As of December 31,
	2011	2010
	(In $ millions)
Projected benefit obligation	3,540	3,320
Fair value of plan assets	2,314	2,228

Schedule of Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets

Included in the above table are pension plans with accumulated benefit obligations in excess of plan assets as follows:



	As of December 31,
	2011	2010
	(In $ millions)
Accumulated benefit obligation	3,468	3,216
Fair value of plan assets	2,300	2,215

Schedule of Accumulated Benefit Obligation for All Defined Benefit Pension Plans

The accumulated benefit obligation for all defined benefit pension plans is as follows:



	As of December 31,
	2011	2010
	(In $ millions)
Accumulated benefit obligation	3,697	3,436

Schedule of Net Periodic Benefit Costs

The components of net periodic benefit costs are as follows:



	Pension Benefits						Postretirement Benefits
	Year Ended December 31,						Year Ended December 31,
	2011		2010		2009		2011		2010		2009
	(In $ millions)
Service cost	28		30		29		1		1		1
Interest cost	182		188		193		13		15		17
Expected return on plan assets	(202	)	(197	)	(207	)	—		—		—
Amortization of prior service cost	1		1		—		—		—		—
Recognized actuarial (gain) loss	29		8		1		(2	)	(4	)	(5	)
Curtailment (gain) loss	(2	)	(4	)	(1	)	—		—		—
Settlement (gain) loss	—		—		—		—		—		—
Special termination benefits	—		—		2		—		—		—
Total	36		26		17		12		12		13

Schedule of Amortization of Accumulated Other Comprehensive Income (Loss), Net Into Net Periodic Benefit Cost

Amortization of Accumulated other comprehensive income (loss), net into net periodic benefit cost in 2012 is expected to be as follows:



	Pension Benefits	Postretirement Benefits
	(In $ millions)
Net actuarial (gain) loss	57	(1	)
Prior service cost	1	—
Total	58	(1	)

Schedule of Nonqualified Pension Plans Funded with Nonqualified Trusts

The Company maintains nonqualified pension plans funded with nonqualified trusts for certain US employees as follows:



	As of December 31,
	2011	2010
	(In $ millions)
Marketable securities, at fair value	64	77
Noncurrent Other assets, consisting of insurance contracts	69	70
Current Other liabilities	20	20
Benefit obligations	235	223

Schedule of Expense Related to Nonqualified Pension Plans Included in Net Periodic Benefit Cost, Excluding Returns on Assets

Expense relating to the nonqualified pension plans included in net periodic benefit cost, excluding returns on the assets held by the nonqualified pension trusts, is as follows:



	Year Ended December 31,
	2011	2010	2009
	(In $ millions)
Total	16	16	15

Schedule of Principle Weighted-average Assumptions Used to Determine Benefit Obligations and Benefit Cost

The principal weighted-average assumptions used to determine benefit obligation are as follows:



	Pension Benefits		Postretirement Benefits
	As of December 31,		As of December 31,
	2011	2010	2011	2010
	(In percentages)
Discount rate obligations
US plans	4.60	5.30	4.30	4.90
International plans	4.70	5.05	4.10	4.95
Combined	4.61	5.26	4.28	4.91
Rate of compensation increase
US plans	4.00	4.00
International plans	2.63	2.66
Combined	3.58	3.58

The principal weighted-average assumptions used to determine benefit cost are as follows:



	Pension Benefits			Postretirement Benefits
	Year Ended December 31,			Year Ended December 31,
	2011	2010	2009	2011	2010	2009
	(In percentages)
Discount rate obligations
US plans	5.30	5.90	6.50	4.90	5.50	6.40
International plans	5.05	5.41	5.84	4.95	5.49	6.11
Combined	5.26	5.83	6.41	4.91	5.50	6.37
Expected return on plan assets
US plans	8.50	8.50	8.50
International plans	6.00	6.07	5.29
Combined	8.06	8.06	7.94
Rate of compensation increase
US plans	4.00	4.00	4.00
International plans	2.66	2.94	3.24
Combined	3.58	3.84	3.90

Schedule of Weighted-average Target Asset Allocations

The weighted average target asset allocations for the Company's pension plans are as follows (in percentages):



US Plans	2012
Bonds - domestic to plans	53
Equities - domestic to plans	26
Equities - international to plans	20
Other	1
Total	100



International Plans	2012
Bonds - domestic to plans	75
Equities - domestic to plans	16
Equities - international to plans	5
Other	4
Total	100

Schedule of Impact of One-Percentage-Point Change in Assumed Health Care Cost Trend

The impact of a one percentage point change in the assumed health care cost trend is as follows:



	Trend Rate Change
	Decreases 1%		Increases 1%
	(In $ millions)
Postretirement obligations	(4	)	5
Service and interest cost	—		—

Schedule of Fair Values of Pension Plan Assets

The fair values of pension plan assets are as follows:



	December 31, 2011
	Fair Value Measurement Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)	Total
	(In $ millions)
Assets
Cash and cash equivalents	14	—	—	14
Common/collective trusts
Equities	—	153	—	153
Derivatives
Swaps	—	10	—	10
Equity securities
US companies	327	—	—	327
International companies	358	—	—	358
Fixed Income
Collateralized mortgage obligations	—	6	—	6
Corporate debt	1	761	—	762
Treasuries, other debt	36	375	—	411
Mortgage backed securities	—	44	—	44
Registered investment companies	—	282	—	282
Securities lending collateral	63	—	—	63
Short-term investments	—	186	—	186
Insurance contracts	—	29	—	29
Other	7	10	—	17
Total assets	806	1,856	—	2,662
Liabilities
Derivatives
Swaps	—	10	—	10
Other	—	1	—	1
Obligations under securities lending	63	—	—	63
Total liabilities	63	11	—	74
Total net assets ⁽¹⁾	743	1,845	—	2,588

_____________________

⁽¹⁾Total net assets excludes non-financial plan receivables and payables of $38 million and $64 million, respectively. Non-financial items include due to/from broker, interest receivables and accrued expenses.



	December 31, 2010
	Fair Value Measurement Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)	Significant Other Observable Inputs (Level 2)	Significant Unobservable Inputs (Level 3)	Total
	(In $ millions)
Assets
Cash and cash equivalents	9	—	—	9
Common/collective trusts
Loans	—	—	26	26
Equities	—	200	—	200
Derivatives
Swaps	—	8	—	8
Other	—	1	—	1
Equity securities
US companies	402	—	—	402
International companies	335	—	—	335
Fixed Income
Collateralized mortgage obligations	—	21	—	21
Corporate debt	2	778	—	780
Treasuries, other debt	33	236	—	269
Mortgage backed securities	—	68	—	68
Registered investment companies	—	293	—	293
Securities lending collateral	140	—	—	140
Short-term investments	—	58	—	58
Insurance contracts	—	29	—	29
Other	7	9	—	16
Total assets	928	1,701	26	2,655
Liabilities
Derivatives
Swaps	—	8	—	8
Other	—	1	—	1
Obligations under securities lending	140	—	—	140
Total liabilities	140	9	—	149
Total net assets ⁽¹⁾	788	1,692	26	2,506

_____________________

⁽¹⁾Total net assets excludes non-financial plan receivables and payables of $26 million and $72 million, respectively. Non-financial items include due to/from broker, interest receivables and accrued expenses.

Schedule of Level 3 Fair Value Measurement of Pension Assets Using Significant Unobservable Inputs



	As of December 31,
	2011		2010
	(In $ millions)
As of the beginning of the year	26		19
Unrealized gain (loss)	3		8
Purchases, sales, issuances and settlements, net	(29	)	(1	)
As of the end of the year	—		26

Schedule of Pension Benefits Expected to be Paid from the Plans or From the Company's Assets



		Postretirement Benefit
	Pension Benefit Payments⁽¹⁾	Payments	Expected Federal Subsidy
	(In $ millions)
2012	235	58	6
2013	233	59	6
2014	234	60	3
2015	234	61	2
2016	237	60	2
2017-2021	1,228	289	8

Schedule of Other Obligations

Additional benefit obligations are as follows:



	As of December 31,
	2011	2010
	(In $ millions)
Long-term disability	26	27
Other	6	8