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Derivative and Financial Instruments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Percentage of term loans converted from floating to fixed						60.00%
Proceeds from sales and redemptions of investments in debt securities classified as available for sale	$ 271	$ 142	$ 782	$ 597
Derivative, net liability position, aggregate fair value	59		59		$ 70
Collateral already posted, aggregate fair value	0		0		$ 0
Interest Rate Swap
Derivative [Line Items]
Unrealized gain (loss)	(6)	$ (63)	27	$ (50)
In event of downgrade below investment grade
Derivative [Line Items]
Additional collateral, aggregate fair value	$ 25		$ 25
Maximum
Derivative [Line Items]
Investments and long-term receivables, remaining maturity			13 years
Minimum
Derivative [Line Items]
Investments and long-term receivables, remaining maturity			1 year
Accounts Receivable | Maximum
Derivative [Line Items]
Credit derivative, term			30 days

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The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Term of the credit risk derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

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Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge.

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Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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