Fair Value Measurements - Narrative (Details) - Senior Notes - USD ($) $ in Billions	Sep. 30, 2025	Dec. 31, 2024
Carrying value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Long-term debt	$ 7.9	$ 8.9
Significant other observable inputs (Level 2) \| Fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Long-term debt	$ 8.2	$ 8.8

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