Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Carrying Values and Fair Values of Non-Current Financial Assets and Liabilities

We present the carrying values and the fair values of noncurrent financial assets and liabilities that qualify as financial instruments in the following table:

	September 30, 2021				December 31, 2020
($ in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior, mezzanine, and other loans	$	141	$	127	$	159	$	142
Total noncurrent financial assets	$	141	$	127	$	159	$	142
Senior Notes	$	(8,242)	$	(8,845)	$	(8,031)	$	(8,941)
Credit Facility	(750)		(750)		(900)		(900)
Other long-term debt	(131)		(134)		(126)		(128)
Other noncurrent liabilities	(411)		(411)		(426)		(426)
Total noncurrent financial liabilities	$	(9,534)	$	(10,140)	$	(9,483)	$	(10,395)