Employment Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
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	$ 2	$ 4	$ 7	$ 13
Interest cost	21	15	63	46
Expected return on plan assets	(47)	(45)	(139)	(135)
Amortization of net loss	(8)	1	(25)	2
Net (benefit) cost recognized	$ (32)	$ (25)	$ (94)	$ (74)