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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule Of Finite Lived Intangible Assets | The following table is a summary of the Company’s intangible assets, which are included as a component of Other assets in the Company's Consolidated Balance Sheet, as of December 31, 2014 and 2013:
|  |  | Year ended December 31, 2014 |  | Year ended December 31, 2013
(in millions) | Weighted-average useful life (in years) |  | Gross carrying amount |  | Accumulated amortization |  | Gross carrying amount |  | Accumulated Amortization
Customer relationships/marketing agreements | 9 |  | $ | 38 |  |  | $ | 26 |  |  | $ | 39 |  |  | $ | 23 |
Trademarks/trade names | 6 |  | 36 |  |  | 30 |  |  | 36 |  |  | 25 |
Owned domestic slots | Indefinite |  | 303 |  |  | n/a |  |  | 93 |  |  | n/a |
Leased domestic slots (a) | 39 |  | 19 |  |  | 5 |  |  | 19 |  |  | 4 |
Non-compete agreements | 2 |  | 5 |  |  | 5 |  |  | 5 |  |  | 5 |
Gate leasehold rights | 19 |  | 60 |  |  | 32 |  |  | 60 |  |  | 29 |
Total | 15 |  | $ | 461 |  |  | $ | 98 |  |  | $ | 252 |  |  | $ | 86 |
(a) Useful life of leased slots is based on the stated lease term.

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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