Fair Value of Financial Instruments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2024

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 on a recurring basis identified by the level of inputs used to determine fair value:

	March 31, 2024								December 31, 2023
$ in millions	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial Assets
Marketable securities	$	320	$	—	$	14	$	334	$	321	$	1	$	8	$	330
Marketable securities valued using NAV							9								9
Total marketable securities	320		—		14		343		321		1		8		339
Derivatives	—		2		—		2		—		5		—		5