Supplemental Financial Information (Tables)

3 Months Ended

Mar. 31, 2018



(in millions)	March 31, 2018		December 31, 2017
Derivative contracts	$	175	$	136
Intangible assets, net	410		413
Capital lease receivable	72		76
Non-current prepaid maintenance	130		5
Other	172		156
Other assets	$	959	$	786

Schedule of Accounts Payable



(in millions)	March 31, 2018		December 31, 2017
Accounts payable trade	$	189	$	186
Salaries payable	202		201
Taxes payable	282		203
Aircraft maintenance payable	51		38
Fuel payable	107		123
Other payables	412		569
Accounts payable	$	1,243	$	1,320

Accrued Liabilities



(in millions)	March 31, 2018		December 31, 2017
ProfitSharing and savings plans	$	132	$	579
Aircraft and other lease related obligations	39		40
Permanently grounded aircraft liability (a)	14		34
Vacation pay	372		365
Contract ratification bonuses	95		83
Health	95		100
Workers compensation	173		172
Property and income taxes	56		57
Other	158		270
Accrued liabilities	$	1,134	$	1,700

Other Noncurrent Liabilities



(in millions)	March 31, 2018		December 31, 2017
Postretirement obligation	$	282	$	275
Non-current lease-related obligations	75		85
Permanently grounded aircraft liability (a)	13		13
Other deferred compensation	241		237
Derivative contracts	24		21
Other	71		76
Other noncurrent liabilities	$	706	$	707

(a) These amounts represent the current and noncurrent portion of the Company's cease-use liability recorded as a result of the Company grounding its remaining leased Boeing 737-300 aircraft in 2017. The first quarter 2018 decrease was primarily related to contractual rent obligations paid.