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Annual report pursuant to Section 13 and 15(d)

LEASE OBLIGATIONS - Lease Costs (Details)

v3.20.4
LEASE OBLIGATIONS - Lease Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract] Ìý Ìý
Operating Lease, Payments $ 43 $ 4
Finance Lease, Right-of-Use Asset, Amortization 15 6
Finance Lease, Interest Expense 4 2
Short-term Lease, Cost 13 6
Lease, Cost $ 75 $ 18