FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2020

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, determined under current guidance for disclosures on the fair value of financial instruments, in the following table:

	At Year-End 2020				At Year-End 2019
($ in millions)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior, mezzanine, and other loans	$	159	$	142	$	117	$	112
Total noncurrent financial assets	$	159	$	142	$	117	$	112
Senior Notes	$	(8,031)	$	(8,941)	$	(6,441)	$	(6,712)
Commercial paper/Credit Facility	(900)		(900)		(3,197)		(3,197)
Other long-term debt	(126)		(128)		(174)		(179)
Other noncurrent liabilities	(426)		(426)		(196)		(196)
Total noncurrent financial liabilities	$	(9,483)	$	(10,395)	$	(10,008)	$	(10,284)