Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Summary Of Amortization Of Intangible Assets

	2011
			Accumulated
	Cost		Amortization		Net Book Value
Amortized intangible assets:
Airport operating rights	$	515	$	364	$	151
Gate lease rights		160		125		35

Total	$	675	$	489	$	186


	2010
	Cost		Accumulated Amortization		Net Book Value
Amortized intangible assets:
Airport operating rights	$	515	$	344	$	171
Gate lease rights		182		129		53

Total	$	697	$	473	$	224

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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