XML 61 R45.htm IDEA: XBRL DOCUMENT v3.6.0.2
Supplemental Financial Information - Accounts Payable (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Accounts Payable [Abstract]    
Accounts payable trade $ 138 $ 178
Salaries payable 200 173
Taxes payable 184 179
Aircraft maintenance payable 26 168
Fuel payable 95 48
Other payable 535 442
Accounts payable $ 1,178 $ 1,188