Employee Benefit Plans (Defined Benefit Plans Disclosure) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3	$ 5	$ 10	$ 13
Interest cost	3	1	8	4
Expected return on plan assets	(3)	(3)	(8)	(9)
Amortization of prior service cost	0	0	0	0
Amortization of prior actuarial loss	1	0	2	2
Total	4	3	12	10
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	1	2
Interest cost	1	0	2	1
Expected return on plan assets	0	0	0	0
Amortization of prior service cost	0	0	(1)	(1)
Amortization of prior actuarial loss	0	0	0	1
Total	$ 1	$ 1	$ 2	$ 3