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Revenue Recognition (Tables) | 9 Months Ended
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Sep. 30, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Revenue Recognized By Revenue | The following table provides revenue recognized by revenue source for the three and nine months ended September 30, 2024 and 2023 (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Passenger revenue |  |  |  |  |  |  |
Passenger travel | $ | 2,069 |  |  | $ | 2,087 |  |  | $ | 6,042 |  |  | $ | 6,402 |
Loyalty revenue - air transportation | 129 |  |  | 114 |  |  | 476 |  |  | 440 |
Other revenue |  |  |  |  |  |  |
Loyalty revenue | 116 |  |  | 104 |  |  | 336 |  |  | 308 |
Other revenue | 51 |  |  | 48 |  |  | 148 |  |  | 140 |
Total operating revenue | $ | 2,365 |  |  | $ | 2,353 |  |  | $ | 7,002 |  |  | $ | 7,290 |
Schedule of Contract with Customer, Contract Asset, Contract Liability, and Receivable | Our contract liabilities primarily consist of ticket sales for which transportation has not yet been provided, unused credits available to customers, and outstanding loyalty points available for redemption (in millions):
| September 30, 2024 |  | December 31, 2023
Air traffic liability - passenger travel | $ | 1,137 |  |  | $ | 1,099 |
Air traffic liability - loyalty program (air transportation) | 1,101 |  |  | 1,072 |
Deferred revenue (1) | 427 |  |  | 487 |
Total | $ | 2,665 |  |  | $ | 2,658 |
(1) Deferred revenue is included within other accrued liabilities and other liabilities on our consolidated balance sheets. The table below presents the activity of the current and non-current air traffic liability for our loyalty program, and includes points earned and sold to participating companies for the nine months ended September 30, 2024 and 2023 (in millions):
Balance at December 31, 2023 | $ | 1,072 |
TrueBlue® points redeemed passenger | (476) |
TrueBlue® points redeemed other | (18) |
TrueBlue® points earned and sold | 523 |
Balance at September 30, 2024 | $ | 1,101 |
Balance at December 31, 2022 | $ | 1,000 |
TrueBlue® points redeemed passenger | (423) |
TrueBlue® points redeemed other | (17) |
TrueBlue® points earned and sold | 485 |
Balance at September 30, 2023 | $ | 1,045 |

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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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + 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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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