Supplemental Financial Information (Tables)

12 Months Ended

Dec. 31, 2015



(in millions)	December 31, 2015		December 31, 2014
Intangible assets	$	464	$	363
Non-current investments	40		35
Other	213		136
Other assets	$	717	$	534

Accounts Payable



(in millions)	December 31, 2015		December 31, 2014
Accounts payable trade	$	178	$	123
Salaries payable	173		160
Taxes payable	179		163
Aircraft maintenance payable	168		314
Fuel payable	48		85
Other payable	442		358
Accounts payable	$	1,188	$	1,203

Accrued Liabilities



(in millions)	December 31, 2015			December 31, 2014
Profitsharing and savings plans	$	655		$	374
Aircraft and other lease related obligations	74			159
Vacation pay	309			292
Accrued union bonuses	329		(a)	9
Health	86			84
Derivative contracts	643			174
Workers compensation	187			165
Property and other taxes	62			81
Other	246			227
Accrued liabilities	$	2,591		$	1,565

(a) As part of the ongoing negotiations with various union contract groups during 2015, the Company has recorded a liability for estimated bonuses that would be paid out to union members upon ratification of labor agreements. The liability excludes certain immaterial benefit costs that are included as a component of Accounts payable. The amount accrued is subject to change based on subsequent negotiations, and any changes would be recorded on a prospective basis.

Other Noncurrent Liabilities



(in millions)	December 31, 2015		December 31, 2014
Postretirement obligation	$	201	$	169
Non-current lease-related obligations	165		193
Other deferred compensation	179		174
Deferred gains from sale and leaseback of aircraft	43		53
Derivative contracts	74		622
Other	98		44
Other non-current liabilities	$	760	$	1,255