LEASES (Tables)

6 Months Ended

Jun. 30, 2021

Leases [Abstract]

Lease, Cost [Table Text Block]

The components of lease cost for operating and finance leases for the three and six months ended June 30, 2021 and 2020 were as follows:

Lease Cost	Three Months Ended				Six Months Ended
In millions	Jun 30, 2021		Jun 30, 2020		Jun 30, 2021		Jun 30, 2020
Operating lease cost	$	7	$	5	$	12	$	10
Short-term lease cost	8		5		14		11
Variable lease cost	16		2		18		4
Amortization of right-of-use assets - finance	1		1		1		1
Total lease cost	$	32	$	13	$	45	$	26

Schedule of Supplemental Cash Flow Information Related to Leases [Table Text Block]

The following table provides supplemental cash flow information related to leases:

Other Lease Information	Six Months Ended
In millions	Jun 30, 2021		Jun 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	11	$	10
Financing cash flows for finance leases	$	2	$	1

Schedule of Lease Assets and Liabilities [Table Text Block]

The following table summarizes the lease-related assets and liabilities recorded in the consolidated balance sheets at June 30, 2021 and December 31, 2020:

Lease Position	Balance Sheet Classification	Jun 30, 2021		Dec 31, 2020
In millions
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		$	—	$	48
Finance leases		$	5	$	3
Assets
Operating lease assets	Operating lease right-of-use assets	$	114	$	123
Finance lease assets	Property	19		15
Finance lease amortization	Accumulated depreciation	(10)		(8)
Total lease assets		$	123	$	130
Liabilities
Current
Operating	Operating lease liabilities - current	$	18	$	19
Finance	Long-term debt due within one year	3		2
Noncurrent
Operating	Operating lease liabilities - noncurrent	97		105
Finance	Long-term debt	7		5
Total lease liabilities		$	125	$	131

Lease Terms and Discount Rates [Table Text Block]

The weighted-average remaining lease term and discount rate for leases recorded in the consolidated balance sheets at June 30, 2021 and December 31, 2020 are provided below:

Lease Term and Discount Rate	Jun 30, 2021		Dec 31, 2020
Weighted-average remaining lease term
Operating leases	7.1 years		7.5 years
Finance leases	3.6 years		3.4 years
Weighted-average discount rate
Operating leases	3.30	%	3.28	%
Finance leases	2.64	%	3.62	%

Maturities of Lease Liabilities [Table Text Block]

The following table provides the maturities of lease liabilities at June 30, 2021:

Maturities of Lease Liabilities	Jun 30, 2021
	Operating Leases		Finance Leases
In millions
2021	$	11	$	1
2022	22		3
2023	20		3
2024	20		2
2025	18		1
2026 and thereafter	38		—
Total future undiscounted lease payments	$	129	$	10
Less: Imputed interest	14		—
Total present value of lease liabilities	$	115	$	10