Benefit Obligations (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [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,
	2020			2019			2020			2019
	Pension Benefits		Post-retirement Benefits	Pension Benefits		Post-retirement Benefits	Pension Benefits		Post-retirement Benefits	Pension Benefits		Post-retirement Benefits
	(In $ millions)
Service cost	3		—	2		—	6		—	4		—
Interest cost	21		—	29		1	42		1	58		1
Expected return on plan assets	(49	)	—	(47	)	—	(99	)	—	(93	)	—
Special termination benefit	1		—	—		—	1		—	—		—
Total	(24	)	—	(16	)	1	(50	)	1	(31	)	1

Schedule of Company Commitments to Fund Benefit Obligations

Benefit obligation funding is as follows:

	As of June 30, 2020	Total Expected 2020
	(In $ millions)
Cash contributions to defined benefit pension plans	11	23
Benefit payments to nonqualified pension plans	10	20
Benefit payments to other postretirement benefit plans	2	5
Cash contributions to German multiemployer defined benefit pension plans(1)	4	8

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The Company makes contributions based on specified percentages of employee contributions.