Employee Benefits - Schedule of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Retirement Benefits [Abstract]
Service cost	$ 1	$ 1	$ 1	$ 1
Interest cost	19	12	37	25
Expected return on assets	(25)	(22)	(50)	(44)
Amortization of prior service credit / actuarial loss	0	3	1	6
Net periodic benefit cost	$ (5)	$ (6)	$ (11)	$ (12)