Employee Benefit Plans (Defined Benefit Plans Disclosure) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 4	$ 4
Interest cost	1	1
Expected return on plan assets	(3)	(2)
Amortization of prior service cost	0	0
Amortization of prior actuarial loss	1	1
Total	3	4
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	1
Interest cost	0	0
Expected return on plan assets	0	0
Amortization of prior service cost	0	0
Amortization of prior actuarial loss	0	0
Total	$ 1	$ 1