Restructuring - Summary of Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	May 06, 2025
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	$ 36	$ 18	$ 40	$ 33
Inception to Date	176		176
Estimated Remaining Cost	29		29
Estimated Total Cost	205		205
Transformation Program
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	0	18	4	33
Inception to Date	140		140
Estimated Remaining Cost	0		0
Estimated Total Cost	140		140
Transformation Program | Severance and Related Benefits
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	0	6	2	10
Inception to Date	45		45
Estimated Remaining Cost	0		0
Estimated Total Cost	45		45
Transformation Program | Other Restructuring Costs
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	0	12	2	23
Inception to Date	95		95
Estimated Remaining Cost	0		0
Estimated Total Cost	95		95
Post-Separation Plan
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	36	0	36	0
Inception to Date	36		36
Estimated Remaining Cost	29		29
Estimated Total Cost	65		65		$ 65
Post-Separation Plan | Severance and Related Benefits
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	20	0	20	0
Inception to Date	20		20
Estimated Remaining Cost	0		0
Estimated Total Cost	20		20
Post-Separation Plan | Other Restructuring Costs
Restructuring Cost And Reserve [Line Items]
Total Restructuring Costs	16	$ 0	16	$ 0
Inception to Date	16		16
Estimated Remaining Cost	29		29
Estimated Total Cost	$ 45		$ 45