Employee Benefit Plans and Postretirement Benefits - Net Amounts Recognized in Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Pension, postretirement and other postemployment benefits	$ (392)	$ (476)	[1]
Pension
Defined Benefit Plan Disclosure [Line Items]
Other assets	34	30
Pension, postretirement and other postemployment benefits	(185)	(255)
Net liability recognized at end of year	(151)	(225)
Healthcare
Defined Benefit Plan Disclosure [Line Items]
Other assets	0	0
Pension, postretirement and other postemployment benefits	(126)	(121)
Net liability recognized at end of year	(126)	(121)
Other
Defined Benefit Plan Disclosure [Line Items]
Other assets	0	0
Pension, postretirement and other postemployment benefits	(81)	(100)
Net liability recognized at end of year	$ (81)	$ (100)

[1] See Note 23 Immaterial Revision of Prior Period Financial Statements.