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Financial Derivative Instruments and Risk Management (Tables)
9 Months Ended
Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative instrument in statement of financial position and financial performance The table below reflects quantitative information related to our derivative instruments and where these amounts are recorded in our financial statements (dollar amounts in millions):
Three Months Ended
September 30,
Nine Months Ended
September 30,
2021202020212020
Fuel derivatives
Hedge effectiveness losses recognized in aircraft fuel expense$— $$— $
Losses on derivatives resulting from the discontinuance of hedge accounting recognized in interest income and other— — 
Hedge losses on derivatives recognized in comprehensive income— — — 11 
Percentage of actual consumption economically hedged— %27 %— %25 %