Employee Benefit Plans - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
United States
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, contributions by employer	$ 24
Defined benefit plan, expected future employer contributions, current fiscal year	90
Int'l.
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, contributions by employer	72
Defined benefit plan, expected future employer contributions, current fiscal year	$ 95