Fair Value of Financial Instruments (Unaudited) (Tables)

9 Months Ended

Sep. 30, 2026

Fair Value Disclosures [Abstract]

Fair value information of assets and liabilities measured at fair value on a recurring basis

The following table presents the financial assets and liabilities the company records at fair value identified by the level of inputs used to determine fair value:

	September 30, 2026								December 31, 2025
$ in millions	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial Assets
Marketable securities	$	397	$	1	$	22	$	420	$	454	$	—	$	24	$	478
Marketable securities valued using NAV							4								5
Total marketable securities	397		1		22		424		454		—		24		483
Derivatives	—		(1)		—		(1)		—		2		—		2