Supplemental Financial Information (Tables)

6 Months Ended

Jun. 30, 2019

Table Text Block [Abstract]

Other Assets

(in millions)	June 30, 2019		December 31, 2018
Derivative contracts	$	120	$	95
Intangible assets, net	312		400
Finance lease receivable	54		61
Other	207		164
Other assets	$	693	$	720

Schedule of Accounts Payable

(in millions)	June 30, 2019		December 31, 2018
Accounts payable trade	$	260	$	263
Salaries payable	205		216
Taxes payable	269		220
Aircraft maintenance payable	74		69
Fuel payable	106		122
Other payable	416		526
Accounts payable	$	1,330	$	1,416

Accrued Liabilities

(in millions)	June 30, 2019		December 31, 2018
Profitsharing and savings plans	$	282	$	580
Vacation pay	421		403
Health	110		107
Workers compensation	169		166
Property and income taxes	73		68
Other	260		425
Accrued liabilities	$	1,315	$	1,749

Other Noncurrent Liabilities

(in millions)	June 30, 2019		December 31, 2018
Postretirement obligation	$	240	$	232
Other deferred compensation	282		247
Other	117		171
Other noncurrent liabilities	$	639	$	650