XML 59 R32.htm IDEA: XBRL DOCUMENT v3.20.4
COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligtaions [Table Text Block]
Future minimum payments for commitments as of December 31, 2020 (in millions):
 
Aircraft Commitments(a)
Capacity Purchase Agreements(b)
2021$873 $166 
2022372 174 
2023238 179 
202427 184 
202516 189 
Thereafter13 690 
Total$1,539 $1,582