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Financial Instruments - Narrative (Details) - USD ($) $ in Millions		9 Months Ended
	Dec. 08, 2023	Sep. 30, 2025	Sep. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash settlement		$ 419	$ 697
Follow Up Boss
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash paid for acquisition, net	$ 399
Contingent consideration	$ 100
Contingent consideration, payable period	3 years
Cash settlement		$ 33

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Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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