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Special Items (Details) - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Special Items    
Federal payroll support grant recognition $ 0 $ (288,000,000)
CARES Act employee retention credit 0 (1,000,000)
Special items 0 (289,000,000)
Special Items, CARES Act Payroll Support 0 288,000,000
Payments to employees $ 5,000  
Special Item CARES act employee retention credit   $ (1,000,000)