Long-Term Debt and Short-Term Borrowings - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Level 2
Debt Instrument [Line Items]
Long-term debt	$ 8,404	$ 7,922
Level 3
Debt Instrument [Line Items]
Long-term debt	$ 141	$ 136

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.

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+ Details

- Definition

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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+ Details