Retirement Plans (Schedule of Change in Benefit Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Beginning projected benefit obligations	$ 673	$ 1,036
Service cost	32	56	$ 72
Interest cost	23	10	7
Foreign exchange impact	32	(56)
Employee contributions	7	5
Actuarial (gains) losses	79	(354)
Benefits paid	(20)	(24)
Ending projected benefit obligations	826	673	$ 1,036
Ending accumulated benefit obligations	$ 790	$ 645