XML 51 R37.htm IDEA: XBRL DOCUMENT
v3.25.2

INVESTMENTS - Equity Investments Ownership and Carrying Value (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Investments [Line Items] |  |
Carrying Value | $ 3,556 | $ 2,846
Grupo Aeroméxico |  |
Investments [Line Items] |  |
Ownership interest (percent) | 20.00% | 20.00%
Carrying Value | $ 376 | $ 354
Unifi Aviation |  |
Investments [Line Items] |  |
Ownership interest (percent) | 49.00% | 49.00%
Carrying Value | $ 139 | $ 146
Air France-KLM |  |
Investments [Line Items] |  |
Ownership interest (percent) | 3.00% | 3.00%
Carrying Value | $ 80 | $ 62
China Eastern |  |
Investments [Line Items] |  |
Ownership interest (percent) | 2.00% | 2.00%
Carrying Value | $ 188 | $ 155
Hanjin KAL |  |
Investments [Line Items] |  |
Ownership interest (percent) | 15.00% | 15.00%
Carrying Value | $ 869 | $ 507
Hanjin KAL | Common and Preferred Shares |  |
Investments [Line Items] |  |
Ownership interest (percent) | 14.80% |
Hanjin KAL | Common Stock |  |
Investments [Line Items] |  |
Ownership interest (percent) | 14.90% |
LATAM |  |
Investments [Line Items] |  |
Ownership interest (percent) | 10.00% | 10.00%
Carrying Value | $ 1,229 | $ 837
Wheels Up |  |
Investments [Line Items] |  |
Ownership interest (percent) | 38.00% | 38.00%
Carrying Value | $ 282 | $ 435
Voting rights, shares held threshold | 29.90% |
Other investments |  |
Investments [Line Items] |  |
Carrying Value | $ 393 | $ 350

X
- Definition Equity Securities And Equity Method Investments + References No definition available. + Details
Name: | dal_EquitySecuritiesAndEquityMethodInvestments
Namespace Prefix: | dal_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Equity Securities, FV-NI, Ownership Percentage + References No definition available. + Details
Name: | dal_EquitySecuritiesFVNIOwnershipPercentage
Namespace Prefix: | dal_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Voting Rights, Shares Held Threshold + References No definition available. + Details
Name: | dal_VotingRightsSharesHeldThreshold
Namespace Prefix: | dal_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=dal_GrupoAeromexicoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=dal_UnifiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dal_EquitySecuritiesInvestmentNameAxis=dal_AirFranceKLMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dal_EquitySecuritiesInvestmentNameAxis=dal_ChinaEasternMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dal_EquitySecuritiesInvestmentNameAxis=dal_HanjinKALMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=dal_CommonAndPreferredSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dal_EquitySecuritiesInvestmentNameAxis=dal_LATAMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dal_EquitySecuritiesInvestmentNameAxis=dal_WheelsUpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dal_EquitySecuritiesInvestmentNameAxis=dal_OtherEquitySecurityFVInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |