Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Other Intangible Assets

The following table presents information about the Company’s goodwill and other intangible assets at December 31 (in millions):

		2013				2012
Item	Asset life (a)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Goodwill		$	4,523			$	4,523
Finite-lived intangible assets
Airport slots and gates	8	$	98	$	88	$	99	$	75
Hubs	20		145		59		145		52
Patents and tradenames	3		108		108		108		99
Frequent flyer database (b)	22		1,177		536		1,177		447
Contracts	13		167		86		167		75
Other	25		109		56		109		44
Total		$	1,804	$	933	$	1,805	$	792
Indefinite-lived intangible assets
Airport slots and gates		$	963			$	981
Route authorities			1,605				1,606
Tradenames and logos			593				593
Alliances			404				404
Total		$	3,565			$	3,584

(a) Weighted average life expressed in years.

(b) The frequent flyer database is amortized based on an accelerated amortization schedule to reflect utilization of the assets. Estimated cash flows correlating to the expected attrition rate of customers in the frequent flyer database is considered in the determination of the amortization schedules.