Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value Disclosures [Abstract]

Fair value of assets and liabilities measured on a recurring basis

The following table presents the financial assets and liabilities the company records at fair value on a recurring basis identified by the level of inputs used to determine fair value. See Note 1 for the definitions of these levels and for further information on our financial instruments.

	December 31, 2025								December 31, 2024
$ in millions	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial Assets
Marketable securities	$	454	$	—	$	24	$	478	$	325	$	—	$	14	$	339
Marketable securities valued using NAV							5								8
Total marketable securities	454		—		24		483		325		—		14		347
Derivatives	—		2		—		2		—		(11)		—		(11)