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Property and Equipment, Net
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net Property and Equipment, Net
The components of property and equipment, net are as follows (in millions):
December 31,
20212020
Flight equipment$212 $182 
Ground and other equipment104 101 
Less: accumulated depreciation(130)(107)
Total property and equipment, net$186 $176 
During the years ended December 31, 2021, 2020 and 2019 the Company deferred $18 million, $9 million and $14 million of costs for heavy maintenance, respectively.
The Company’s deferred heavy maintenance balance, net was $20 million and $13 million as of December 31, 2021 and 2020, respectively, and is included as a part of flight equipment within property and equipment, net on the Company’s consolidated balance sheets.