XML 33 R19.htm IDEA: XBRL DOCUMENT v3.21.1
Revenue Recognition (Tables)
 3 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of disaggregation of revenue
Passenger Revenue
Three Months Ended March 31,
(in millions)20212020
Ticket$2,277 $6,511 
Loyalty travel awards241 543 
Travel-related services230 515 
Total passenger revenue$2,748 $7,569 
Other Revenue
Three Months Ended March 31,
(in millions)20212020
Ancillary businesses and refinery$726 $223 
Loyalty program368 474 
Miscellaneous93 174 
Total other revenue$1,187 $871 
Schedule of activity in loyalty program deferred revenue
The table below presents the activity of the current and noncurrent loyalty program deferred revenue and includes miles earned through travel and miles sold to participating companies, which are primarily through marketing agreements.

Loyalty program activity
(in millions)20212020
Balance at January 1$7,182 $6,728 
Miles earned354 660 
Travel miles redeemed(241)(543)
Non-travel miles redeemed(10)(28)
Balance at March 31
$7,285 $6,817 
Schedule of revenue by geographic region Our passenger and operating revenue by geographic region is summarized in the following tables:
Passenger revenue by geographic region
Passenger Revenue
Three Months Ended March 31,
(in millions)20212020
Domestic$2,280 $5,601 
Atlantic142 818 
Latin America264 765 
Pacific62 385 
Total$2,748 $7,569 

Operating revenue by geographic region
Operating Revenue
Three Months Ended March 31,
(in millions)20212020
Domestic$3,368 $6,267 
Atlantic267 994 
Latin America381 863 
Pacific134 468 
Total$4,150 $8,592