Benefit Obligations

6 Months Ended

Jun. 30, 2011

Benefit Obligations [Abstract]

Benefit Obligations

10. Benefit Obligations

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

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

The Company's estimates of its US defined benefit pension plan contributions reflect the provisions of the Pension Protection Act of 2006.

The Company participates in a multiemployer defined benefit plan in Germany covering certain employees. The Company's contributions to the multiemployer defined benefit plan are based on specified percentages of employee contributions and totaled $3 million for the six months ended June 30, 2011.