Restructuring - Schedule of Accrued Restructuring Liability (Details) - Severance and Related Benefits $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Restructuring Reserve [Roll Forward]
Accrued restructuring liability, beginning balance	$ 12
Severance and related benefits	22
Cash payments	(16)
Accrued restructuring liability, ending balance	18
Transformation Program
Restructuring Reserve [Roll Forward]
Accrued restructuring liability, beginning balance	12
Severance and related benefits	2
Cash payments	(10)
Accrued restructuring liability, ending balance	4
Post-Separation Plan
Restructuring Reserve [Roll Forward]
Accrued restructuring liability, beginning balance	0
Severance and related benefits	20
Cash payments	(6)
Accrued restructuring liability, ending balance	$ 14