Benefit Obligations (Tables)

9 Months Ended

Sep. 30, 2026

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Costs Recognized

The components of net periodic benefit cost are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2026		2025		2026		2025
	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	—	3	—	8	—	10	—
Interest cost	27	—	30	—	82	1	90	1
Expected return on plan assets	(32)	—	(32)	—	(97)	—	(96)	—
Amortization of prior service cost (credit)	—	—	—	—	(1)	—	—	—
Total	(2)	—	1	—	(8)	1	4	1

Schedule of Company Commitments to Fund Benefit Obligations

Benefit obligation funding is as follows:

	As of September 30, 2026	Total Expected 2026
	(In $ millions)
Cash contributions to defined benefit pension plans	23	33
Benefit payments to nonqualified pension plans	13	17
Benefit payments to other postretirement benefit plans	3	3

Schedule of Defined Benefit Plans Disclosures

Pension and postretirement benefit plan balances recognized in the unaudited consolidated balance sheets consist of the following:

	As of September 30, 2026		As of December 31, 2025
	Pension Benefits	Post-retirement Benefits	Pension Benefits	Post-retirement Benefits
	(In $ millions)
Noncurrent Other assets	177	—	159	—
Current Other liabilities	(22)	(4)	(22)	(3)
Benefit obligations	(277)	(32)	(307)	(32)
Net amount recognized	(122)	(36)	(170)	(35)