Summary of Significant Accounting Policies Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Total depreciation and amortization	$ 123	$ 115	$ 124
Selling, General and Administrative Expenses
Total depreciation and amortization	3	4	4
Cost of Sales
Total depreciation and amortization	$ 120	$ 111	$ 121