Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Carried at Fair Value

A summary of financial assets that are measured at fair value on a recurring basis were as follows ($ in millions):

	Year Ended December 31				Quoted Prices in Active Market (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
	2023		2022		2023		2022		2023		2022		2023		2022
Assets:
Available-for-sale debt securities	$	5	$	11	$	—	$	—	$	5	$	11	$	—	$	—
Investment in equity securities	234		306		16		16		—		—		—		—
Cross-currency swap derivative contracts	291		653		—		—		291		653		—		—

Carrying Amounts and Fair Values of Financial Instruments

The carrying amounts and fair values of the Company’s other financial instruments as of December 31 were as follows ($ in millions):

	2023				2022
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Debt obligations:
Notes payable and current portion of long-term debt	$	1,695	$	1,672	$	591	$	584
Long-term debt	16,707		14,415		19,086		16,079