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v3.23.2

Fair Value Measurements - Measured on Recurring Basis (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Fuel derivatives: |  |
Option contracts | $ 353 | $ 526
Fair Value, Measurements, Recurring |  |
Assets |  |
Treasury bills | 2,827 | 2,226
Fuel derivatives: |  |
Interest rate derivatives (see Note 3) | 14 | 14
Equity Securities | 255 | 235
Total assets | 12,787 | 13,053
Fair Value, Measurements, Recurring | Options Contracts |  |
Fuel derivatives: |  |
Option contracts | 339 | 512
Fair Value, Measurements, Recurring | Commodity Option |  |
Liabilities |  |
Liabilities | 23 |
Fair Value, Measurements, Recurring | Certificates of deposit |  |
Assets |  |
Investments | 194 | 124
Fair Value, Measurements, Recurring | Time deposits |  |
Assets |  |
Investments |  | 450
Fair Value, Measurements, Recurring | Cash Equivalents |  |
Assets |  |
Cash equivalents | 8,702 | 9,040
Fair Value, Measurements, Recurring | Commercial paper |  |
Assets |  |
Cash equivalents | 134 | 179
Fair Value, Measurements, Recurring | Certificates of deposit |  |
Assets |  |
Cash equivalents | 22 | 23
Fair Value, Measurements, Recurring | Time deposits |  |
Assets |  |
Cash equivalents | 300 | 250
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) |  |
Assets |  |
Treasury bills | 2,827 | 2,226
Fuel derivatives: |  |
Interest rate derivatives (see Note 3) | 0 | 0
Equity Securities | 255 | 235
Total assets | 11,784 | 11,501
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Options Contracts |  |
Fuel derivatives: |  |
Option contracts | 0 | 0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Commodity Option |  |
Liabilities |  |
Liabilities | 0 |
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Certificates of deposit |  |
Assets |  |
Investments | 0 | 0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Time deposits |  |
Assets |  |
Investments |  | 0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Cash Equivalents |  |
Assets |  |
Cash equivalents | 8,702 | 9,040
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Commercial paper |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Certificates of deposit |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Quoted prices in active markets for identical assets (Level 1) | Time deposits |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) |  |
Assets |  |
Treasury bills | 0 | 0
Fuel derivatives: |  |
Interest rate derivatives (see Note 3) | 14 | 14
Equity Securities | 0 | 0
Total assets | 664 | 1,040
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Options Contracts |  |
Fuel derivatives: |  |
Option contracts | 0 | 0
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Commodity Option |  |
Liabilities |  |
Liabilities | 0 |
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Certificates of deposit |  |
Assets |  |
Investments | 194 | 124
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Time deposits |  |
Assets |  |
Investments |  | 450
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Cash Equivalents |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Commercial paper |  |
Assets |  |
Cash equivalents | 134 | 179
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Certificates of deposit |  |
Assets |  |
Cash equivalents | 22 | 23
Fair Value, Measurements, Recurring | Significant other observable inputs (Level 2) | Time deposits |  |
Assets |  |
Cash equivalents | 300 | 250
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) |  |
Assets |  |
Treasury bills | 0 | 0
Fuel derivatives: |  |
Interest rate derivatives (see Note 3) | 0 | 0
Equity Securities | 0 | 0
Total assets | 339 | 512
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Options Contracts |  |
Fuel derivatives: |  |
Option contracts | 339 | 512
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Commodity Option |  |
Liabilities |  |
Liabilities | 23 |
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Certificates of deposit |  |
Assets |  |
Investments | 0 | 0
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Time deposits |  |
Assets |  |
Investments |  | 0
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Cash Equivalents |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Commercial paper |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Certificates of deposit |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Measurements, Recurring | Significant unobservable inputs (Level 3) | Time deposits |  |
Assets |  |
Cash equivalents | $ 0 | $ 0

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