Employment Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Number of months for highest consecutive compensation			60 months
Total number of years of salaried employees to qualify for pension plans			10 years
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5	$ 6	$ 9	$ 12
Interest cost	16	14	31	28
Expected return on plan assets	(45)	(44)	(90)	(88)
Amortization of net loss	0	1	1	1
Net (benefit) cost recognized	$ (24)	$ (23)	$ (49)	$ (47)