Income Taxes Income Taxes - Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Beginning Balance	$ 357	$ 377	$ 395
Decreases related to positions taken on items from prior years	0	(3)	(7)
Increases related to positions taken on items from prior years	23	4	13
Increases related to positions taken in the current year	16	11	9
Settlement of uncertain tax positions with tax authorities	(4)	(24)	(17)
Decreases due to expiration of statutes of limitations	(2)	(5)	(16)
Exchange (gain) loss	0	(3)	0
Unrecognized Tax Benefits, Ending Balance	390	357	377
Total unrecognized tax benefits that, if recognized, would impact the effective tax rate	173	139	157
Total amount of interest and penalties (benefit) recognized in Provision for income taxes on continuing operations	1	1	1
Total accrual for interest and penalties associated with unrecognized tax benefits	11	$ 13	$ 11
Tax, Advance deposits made to foreign taxing authority	90
Undistributed Earnings of Foreign Subsidiaries	$ 4,240