Benefit Obligations (Tables)

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 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	2	—	3	—	5	—	7	—
Interest cost	28	1	31	—	55	1	60	1
Expected return on plan assets	(33)	—	(32)	—	(65)	—	(64)	—
Amortization of prior service cost (credit)	(1)	—	—	—	(1)	—	—	—
Total	(4)	1	2	—	(6)	1	3	1

Schedule of Company Commitments to Fund Benefit Obligations

Benefit obligation funding is as follows:

	As of June 30, 2026	Total Expected 2026
	(In $ millions)
Cash contributions to defined benefit pension plans	15	33
Benefit payments to nonqualified pension plans	9	17
Benefit payments to other postretirement benefit plans	2	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 June 30, 2026		As of December 31, 2025
	Pension Benefits	Post-retirement Benefits	Pension Benefits	Post-retirement Benefits
	(In $ millions)
Noncurrent Other assets	169	—	159	—
Current Other liabilities	(22)	(4)	(22)	(3)
Benefit obligations	(285)	(33)	(307)	(32)
Net amount recognized	(138)	(37)	(170)	(35)