Derivatives and Hedging - Impact of Changes in Fair Values of Derivatives (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Derivatives and Hedging
Amount of gain/(loss) recognized in statements of operations	$ 32	$ 87
Derivatives designated as hedging instruments
Derivatives and Hedging
Amount of gain/(loss) recognized in other comprehensive income (loss)	$ (1)	$ (4)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest expense	Interest expense
Amount of gain/(loss) recognized in statements of operations	$ 1	$ 4
Derivatives designated as hedging instruments \| Interest rate swaps
Derivatives and Hedging
Amount of gain/(loss) recognized in other comprehensive income (loss)	8	(15)
Amount of gain/(loss) recognized in statements of operations	0	0
Derivatives designated as hedging instruments \| Cross currency interest rate swaps
Derivatives and Hedging
Amount of gain/(loss) recognized in other comprehensive income (loss)	8	(7)
Amount of gain/(loss) recognized in statements of operations	0	0
Derivatives not designated as hedging instruments \| Earnout shares
Derivatives and Hedging
Amount of gain/(loss) recognized in other comprehensive income (loss)	$ 0	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Fair value movement on earnout derivative liabilities	Fair value movement on earnout derivative liabilities
Amount of gain/(loss) recognized in statements of operations	$ 31	$ 74
Derivatives not designated as hedging instruments \| Foreign currency forward contracts
Derivatives and Hedging
Amount of gain/(loss) recognized in other comprehensive income (loss)	$ 0	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (loss), net	Other income (loss), net
Amount of gain/(loss) recognized in statements of operations	$ 0	$ 9

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-SubTopic 10
-Topic 825
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482881/825-10-55-10

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+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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-Publisher FASB
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Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

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