Benefit Obligations (Tables)

6 Months Ended

Jun. 30, 2014

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,
	2014				2013			2014				2013
	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		8		1	6		1		17		2
Interest cost	43		—		38		3	85		2		77		5
Expected return on plan assets	(54	)	—		(56	)	—	(108	)	—		(112	)	—
Amortization of prior service cost (credit), net	—		(22	)	1		—	—		(41	)	1		—
Total	(8	)	(21	)	(9	)	4	(17	)	(38	)	(17	)	7

Schedule of Company Commitments to Fund Benefit Obligations

Benefit obligation funding is as follows:

	As of June 30, 2014	Total Expected 2014
	(In $ millions)
Cash contributions to defined benefit pension plans	12	47
Benefit payments to nonqualified pension plans	11	22
Benefit payments to other postretirement benefit plans	39	54