Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Dec. 31, 2010


	2011
	Cost		Accumulated Amortization		Net Book Value
Amortized intangible assets:
Airport operating rights	$	509	$	361	$	148
Gate lease rights		160		125		35

Total	$	669	$	486	$	183


	2010
	Cost		Accumulated Amortization		Net Book Value
Amortized intangible assets:
Airport operating rights	$	447	$	288	$	159
Gate lease rights		182		129		53

Total	$	629	$	417	$	212

- 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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