Income Taxes Income Taxes - Operating Loss and Tax Credit Carryforwards (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		$ 406	$ 285
Tax Credit Carryforwards		133	78
Total Operating Loss and Tax Credit Carryforwards	[1]	539	363
Expiring within Five Years [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		103	127
Tax Credit Carryforwards		59	15
Expiring After Five Years Or Having Indefinite Expiration [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		303	158
Tax Credit Carryforwards		$ 74	$ 63

[1] Primarily related to tax loss and credit carryforwards from operations in the United States, Switzerland, and Spain.