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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement of Stockholders' Equity [Abstract] |  |  |
Treasury shares withheld for payment of taxes, weighted average price per share (USD per share) | $ 40.52 | $ 38.87 | $ 52.17

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- Definition The weighted average price per treasury share withheld for payment of taxes. + References No definition available. + Details
Name: | dal_WeightedAveragePricePerTreasuryShareWithheldForTaxes
Namespace Prefix: | dal_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration