Employee Benefit Plans - Contributions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	$ 124
Expected future employer contribution, next fiscal year	100
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	105
Expected future employer contribution, next fiscal year	75
Retiree Health
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	19	$ 25
Expected future employer contribution, next fiscal year	25
U.S. | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	24	24
Expected future employer contribution, next fiscal year	50
U.S. | Pension Plan | Tax Qualified
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected future employer contribution, next fiscal year	25
Non-U.S. | Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	81	$ 111
Expected future employer contribution, next fiscal year	$ 25