Class Of Warrant Or Right, Shares Called By Warrants As Percentage Of Outstanding Shares

No definition available.

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- Definition

Grant Payments Received Through Payroll Support Program

+ References

No definition available.

+ Details

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Namespace Prefix:	dal_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Proceeds from Government Payroll Support Program

+ References

No definition available.

+ Details

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Namespace Prefix:	dal_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

+ Details

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Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

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Balance Type:	debit
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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=dal_DeltaCommonStockWarrantsPSPMember
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Data Type:	na
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Debt - Payroll Support Program Activity (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended	6 Months Ended	9 Months Ended	18 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2021
Payroll Support Program
Payroll support program activity
Total				$ 11,953
Grant				8,457
Payroll Support Program \| Unsecured debt \| Payroll Support Program Loans
Payroll support program activity
Loan				$ 3,496
Payroll Support Program \| PSP Warrants
Payroll support program activity
Number of Warrants				11.1
Percentage of Outstanding Shares				1.80%
PSP1
Payroll support program activity
Total			$ 5,594
Grant			3,946
PSP1 \| Unsecured debt \| Payroll Support Program 1
Payroll support program activity
Loan			$ 1,648
PSP1 \| PSP1 Warrants
Payroll support program activity
Number of Warrants				6.8
Percentage of Outstanding Shares				1.10%
PSP2
Payroll support program activity
Total		$ 3,290
Grant		2,333
PSP2 \| Unsecured debt \| Payroll Support Program Extension
Payroll support program activity
Loan		$ 957
PSP2 \| PSP2 Warrants
Payroll support program activity
Number of Warrants	2.4	2.4		2.4
Percentage of Outstanding Shares				0.40%
PSP3
Payroll support program activity
Total	$ 3,069
Grant	2,178
PSP3 \| Unsecured debt \| Payroll Support Program 3
Payroll support program activity
Loan	$ 891
PSP3 \| PSP3 Warrants
Payroll support program activity
Number of Warrants	1.9	1.9		1.9
Percentage of Outstanding Shares				0.30%