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Restructuring and Other Charges (Details) $ in Millions	3 Months Ended		5 Months Ended	6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	May 31, 2024 employee	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 10	$ (3)		$ 10	$ 96
Restructuring and Other Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 10
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges					61
Number of management employees separated from service | employee			350
Executive Appointment | Chief Operating Officer
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges					35
Payment for other commercial considerations					$ 25

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