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Fair Value of Financial Instruments and Risk Management (Tables)
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Schedule of carrying values and estimated fair values of financial instruments The carrying values and estimated fair values of our financial instruments that are not required to be recorded at fair value in our consolidated balance sheets are provided in the following table.
December 31, 2021December 31, 2020
Dollars in millionsCarrying ValueFair ValueCarrying ValueFair Value
Liabilities (including current maturities):
   Term Loan ALevel 2$441 $441 $285 $285 
   Term Loan BLevel 2511514516517
   Convertible NotesLevel 2350669350480
   Senior NotesLevel 2250256250 262 
   Senior Credit FacilityLevel 2364364260 260 
   Nonrecourse project debtLevel 22277
Schedule of derivatives instruments statements of financial performance and financial position, location
The following table summarizes the recognized changes in fair value of our balance sheet hedges offset by remeasurement of balance sheet positions. These amounts are recognized in our consolidated statements of operations for the periods presented. The net of our changes in fair value of hedges and the remeasurement of our assets and liabilities is included in other non-operating income (expense) on our consolidated statements of operations.
Years ended December 31,
Gains (losses) dollars in millions20212020
Balance Sheet Hedges - Fair Value$— $(5)
Balance Sheet Position - Remeasurement(8)
Net$(8)$
Schedule of sale of receivables activity
Activity for third-party financial institutions consisted of the following:
Year EndedYear Ended
Dollars in millionsDecember 31, 2021December 31, 2020
Beginning balance$112 — 
Sale of receivables2,991 779 
Settlement of receivables(2,622)(647)
Cash collection, not yet remitted— (20)
Outstanding balances sold to financial institutions$481 $112