Employee Benefits - Schedule of accumulated benefit obligations (Details) - Pension - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, accumulated benefit obligation	$ 3,475	$ 4,795
Non-US Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, accumulated benefit obligation	$ 815	$ 1,141