REVENUE - Disaggregation of Revenue by Product Line & Industry (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Lease & related maintenance and rental revenue	$ 3,835	$ 3,937	$ 4,174
Revenues	12,636	11,783	12,011
FMS | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	5,888	5,930	6,327
FMS | Operating Segments | ChoiceLease
Disaggregation of Revenue [Line Items]
Lease & related maintenance and rental revenue	3,446	3,181	3,101
FMS | Operating Segments | Commercial rental
Disaggregation of Revenue [Line Items]
Lease & related maintenance and rental revenue	976	1,178	1,338
FMS | Operating Segments | SelectCare and other
Disaggregation of Revenue [Line Items]
Lease & related maintenance and rental revenue	694	694	624
FMS | Operating Segments | FMS Europe
Disaggregation of Revenue [Line Items]
Lease & related maintenance and rental revenue	0	0	150
FMS | Operating Segments | Fuel services revenue
Disaggregation of Revenue [Line Items]
Revenues	772	877	1,114
SCS
Disaggregation of Revenue [Line Items]
Revenues	5,300	4,875	4,720
SCS | Omnichannel retail
Disaggregation of Revenue [Line Items]
Revenues	1,726	1,757	1,861
SCS | Automotive
Disaggregation of Revenue [Line Items]
Revenues	1,580	1,600	1,523
SCS | Consumer packaged goods
Disaggregation of Revenue [Line Items]
Revenues	1,182	965	845
SCS | Industrial and other
Disaggregation of Revenue [Line Items]
Revenues	812	553	491
SCS | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	$ 5,300	$ 4,875	$ 4,720