Benefit Obligations (Tables)

6 Months Ended

Jun. 30, 2011

Benefit Obligations [Abstract]

Schedule of Net Periodic Benefit Costs Recognized

The components of net periodic benefit costs are as follows:

							Postretirement											Postretirement
	Pension Benefits						Benefits					Pension Benefits						Benefits
	Three Months Ended June 30,											Six Months Ended June 30,
	2011			2010			2011		2010			2011			2010			2011			2010
				(In $ millions)											(In $ millions)
Service cost		7			8			1		1			14			16			1			1
Interest cost		45			48			2		3			91			96			6			7
Expected return on plan assets		(51	)		(50	)		-		-			(101	)		(100	)		-			-
Recognized actuarial (gain) loss		8			2			-		(1	)		15			4			(1	)		(2	)
Curtailment (gain) loss		-			(1	)		-		-			(1	)		(3	)		-			-
Total		9			7			3		3			18			13			6			6

Schedule of Company Commitments to Fund Benefit Obligations

The Company's commitments to fund benefit obligations during 2011 are as follows:

	As of
	June 30, 2011		Expected for 2011
	(In $ millions)
Cash contributions to defined benefit pension plans		46		164
Benefit payments from nonqualified trusts related to nonqualified pension plans		8		15
Benefit payments to other postretirement benefit plans		14		27