Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 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:

	June 30, 2021				December 31, 2020
($ in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior, mezzanine, and other loans	$	165	$	149	$	159	$	142
Total noncurrent financial assets	$	165	$	149	$	159	$	142
Senior Notes	$	(8,713)	$	(9,537)	$	(8,031)	$	(8,941)
Commercial paper / Credit Facility	(400)		(400)		(900)		(900)
Other long-term debt	(126)		(129)		(126)		(128)
Other noncurrent liabilities	(414)		(414)		(426)		(426)
Total noncurrent financial liabilities	$	(9,653)	$	(10,480)	$	(9,483)	$	(10,395)