CONDENSED CONSOLIDATED BALANCE SHEETS PARENTHETICAL - USD ($) shares in Millions, $ in Millions	Sep. 26, 2025	Dec. 31, 2024
Balance Sheet Related Disclosures [Abstract]
Accounts Receivable, Allowance for Credit Loss, Current	$ 520	$ 506
Property, Plant, and Equipment, Owned, Accumulated Depreciation	$ 9,873	$ 9,570
Common Stock, Par or Stated Value Per Share	$ 0.25	$ 0.25
Common Stock, Shares Authorized	11,200	11,200
Common Stock, Shares, Issued	7,040	7,040
Treasury Stock, Common, Shares	2,738	2,738

Amount of allowance for credit loss on accounts receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-02(29))
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Section S99
-Paragraph 1
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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Amount of accumulated depreciation from long-lived, depreciable flight asset owned. Excludes right-of-use asset from finance lease for flight asset.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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