Financial Instruments (Aggregate Fair Value and Carrying Value) (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Derivative [Line Items]
Carrying value	$ 25,701	$ 24,926
Fair value	24,470	22,741
Foreign Currency Denominated Debt [Member]
Derivative [Line Items]
Carrying value	2,635	3,100
Fair value	$ 2,620	$ 3,059

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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