XML 131 R101.htm IDEA: XBRL DOCUMENT v3.6.0.2
Schedule of Acquisition of Aircrafts and Related Spare Engines (Detail)
$ in Billions
Dec. 31, 2016
USD ($)
Unrecorded Unconditional Purchase Obligation [Line Items]  
2017 $ 4.5
2018 3.2
2019 3.1
2020 2.5
2021 2.2
After 2021 7.8
Total commitments $ 23.3