NOTES PAYABLE AND LONG-TERM DEBT

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Short-term Debt

Notes Payable at Dec 31
In millions	2020			2019
Notes payable to banks and other lenders	$	—		$	6
Notes payable to related companies	33			32
Total notes payable	$	33		$	38
Year-end average interest rates	1.25		%	1.88		%

Schedule of Long-term Debt Instruments

Long-Term Debt at Dec 31	2020 Average Rate		2020		2019 Average Rate		2019
In millions
Promissory notes and debentures:
Debentures due 2023	7.875	%	$	129	7.875	%	$	175
Debentures due 2025	6.79	%	12		6.79	%	12
Debentures due 2025	7.50	%	113		7.50	%	150
Debentures due 2096	7.75	%	135		7.75	%	135
Finance lease obligations 1			7				6
Unamortized debt discount and issuance costs			(3)				(4)
Long-term debt due within one year			(2)				(1)
Total long-term debt			$	391			$	473

Schedule of Maturities of Long-term Debt

Maturities of Long-Term Debt for Next Five Years at Dec 31, 2020
In millions
2021	$	2
2022	$	2
2023	$	131
2024	$	1
2025	$	125