Summary of Significant Accounting Policies (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Change in Accounting Estimate [Table Text Block]

The following table presents the effect of aggregate net EAC adjustments:

	Three Months Ended September 30				Nine Months Ended September 30
$ in millions, except per share data	2026		2025		2026		2025
Revenue	$	240	$	181	$	344	$	383
Operating income	221		81		235		107
Net earnings(1)	175		64		186		85
Diluted earnings per share(1)	1.23		0.45		1.31		0.59

(1)Based on a 21 percent federal statutory tax rate

Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss, net of tax, are as follows:

$ in millions	September 30, 2026		December 31, 2025
Cumulative translation adjustment	$	(131)	$	(131)
Other, net	(1)		5
Total accumulated other comprehensive loss	$	(132)	$	(126)