Third-Party Arrangements - Schedule of Sales and Cost of Sales Resulting from the Manufacturing and Supply Agreements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Related Party Transaction [Line Items]
Sales	$ 1,602	$ 1,582	$ 4,709	$ 4,811
Cost of sales	745	659	2,137	1,992
Related Party
Related Party Transaction [Line Items]
Sales	18	25	55	82
Cost of sales	$ 15	$ 24	$ 47	$ 76