Benefit Obligations (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Costs Recognized

The components of net periodic benefit cost are as follows:

	Three Months Ended June 30,								Six Months Ended June 30,
	2015			2014					2015			2014
	Pension Benefits		Post-retirement Benefits	Pension Benefits		Post-retirement Benefits			Pension Benefits		Post-retirement Benefits	Pension Benefits		Post-retirement Benefits
	(In $ millions)								(In $ millions)
Service cost	3		1	3		1			6		1	6		1
Interest cost	36		—	43		—			71		1	85		2
Expected return on plan assets	(53	)	—	(54	)	—			(105	)	—	(108	)	—
Recognized actuarial (gain) loss	—		1	—		—			—		1	—		—
Amortization of prior service cost (credit), net	—		—	—		(22	)	(1)	—		—	—		(41	)	(1)
Special termination benefit	—		—	—		—			1		—	—		—
Total	(14	)	2	(8	)	(21	)		(27	)	3	(17	)	(38	)

______________________________

⁽¹⁾  Primarily related to the elimination of eligibility for all current and future US employees to participate in the Company's US postretirement health care plan.

Schedule of Company Commitments to Fund Benefit Obligations

Benefit obligation funding is as follows:

	As of June 30, 2015	Total Expected 2015
	(In $ millions)
Cash contributions to defined benefit pension plans	27	28
Benefit payments to nonqualified pension plans	11	22
Benefit payments to other postretirement benefit plans	3	17
Cash contributions to German multiemployer defined benefit pension plans(1)	3	6

______________________________

⁽¹⁾  The Company makes contributions based on specified percentages of employee contributions.