Segment Information (Tables)

9 Months Ended

Sep. 30, 2026

Segment Reporting [Abstract]

Schedule of Significant segment expenses

The significant expenses that are regularly provided to the CODM are disclosed in the Consolidated Statements of Income as a part of the consolidated net income and are as follows.


Significant segment expenses / income (Dollars in millions)		Three Months Ended September 30,								Nine Months Ended September 30,
		2026				2025				2026				2025
Total direct costs		$	(1,804	)		$	(1,798	)		$	(5,535	)		$	(5,371	)
Total production overhead costs			(392	)			(385	)			(1,183	)			(1,125	)
Cost of sales		$	(2,197	)		$	(2,184	)		$	(6,717	)		$	(6,496	)

Research, development and engineering expenses (gross)		$	(160	)		$	(153	)		$	(489	)		$	(455	)
Reimbursements from customer funded engineering projects			62				36				148				136
Research, development and engineering expenses, net		$	(99	)		$	(117	)		$	(341	)		$	(319	)

Schedule of Segment assets and expenditures for long-lived assets

The segment assets and expenditures for long-lived assets for the periods presented are as follows.


Segment assets and expenditures for long-lived assets (Dollars in millions)		Three Months Ended or As Of September 30,								Nine Months Ended or As Of September 30,
		2026				2025				2026				2025
Expenditures for long-lived assets		$	(115	)		$	(106	)		$	(295	)		$	(323	)
Total assets			8,427				8,463				8,427				8,463