XML 109 R87.htm IDEA: XBRL DOCUMENT v3.25.0.1

INCOME TAXES - Valuation Allowance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Valuation allowance activity
Valuation allowance, beginning	$ 877	$ 1,176
Tax provision	74	(299)
Valuation allowance, ending	$ 951	$ 877

X

- Definition

Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Tax Provision

+ References

No definition available.

+ Details

Name:	dal_ValuationAllowanceDeferredTaxAssetIncreaseDecreaseTaxProvision
Namespace Prefix:	dal_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Valuation Allowance Rollforward

+ References

No definition available.

+ Details

Name:	dal_ValuationAllowanceRollforwardRollForward
Namespace Prefix:	dal_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant