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Revenue (Tables) | 9 Months Ended
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Sep. 30, 2020
Revenue from Contract with Customer [Abstract] |
Operating Revenue by Geographic Region | The table below presents the Company's operating revenue by principal geographic region (as defined by the U.S. Department of Transportation) (in millions):
| Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Domestic (U.S. and Canada) | $ | 1,672 |  |  | $ | 7,094 |  |  | $ | 7,675 |  |  | $ | 20,056 |
Atlantic | 365 |  |  | 2,103 |  |  | 1,799 |  |  | 5,627 |
Pacific | 282 |  |  | 1,280 |  |  | 1,346 |  |  | 3,867 |
Latin America | 170 |  |  | 903 |  |  | 1,123 |  |  | 2,821 |
Total | $ | 2,489 |  |  | $ | 11,380 |  |  | $ | 11,943 |  |  | $ | 32,371 |
Roll Forward of Frequent Flyer Deferred Revenue | The table below presents a roll forward of Frequent flyer deferred revenue (in millions):
| Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Total Frequent flyer deferred revenue - beginning balance | $ | 5,670 |  |  | $ | 5,198 |  |  | $ | 5,276 |  |  | $ | 5,005 |
Total miles awarded | 268 |  |  | 662 |  |  | 1,056 |  |  | 1,951 |
Travel miles redeemed (Passenger revenue) | (87) |  |  | (607) |  |  | (444) |  |  | (1,634) |
Non-travel miles redeemed (Other operating revenue) | (16) |  |  | (34) |  |  | (53) |  |  | (103) |
Total Frequent flyer deferred revenue - ending balance | $ | 5,835 |  |  | $ | 5,219 |  |  | $ | 5,835 |  |  | $ | 5,219 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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