Derivative Financial Instruments - Schedule of Cash Flow Hedges (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disclosure of detailed information about hedged items [line items]
Fair Value (Gain)/Loss Deferred to OCI	$ 6	$ 0	$ 10	$ 0
Interest rate swap \| Cash flow hedges \| Interest rate risk
Disclosure of detailed information about hedged items [line items]
Carrying Value	(10)		(10)
Opening Balance January 1, 2026			0
Fair Value (Gain)/Loss Deferred to OCI			(12)
Fair Value (Gain)/Loss Reclassified to Profit or Loss	(2)		(2)
Closing Balance June 30, 2026	$ (10)		$ (10)

The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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No definition available.

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The gains (losses) recognised in other comprehensive income on cash flow hedges, net of tax, before reclassification adjustments. [Refer: Cash flow hedges [member]]

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The amount of reclassification adjustments related to cash flow hedges, net of tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Cash flow hedges [member]; Other comprehensive income]

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