Goodwill and Other Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Balance at beginning of period	$ 5,940	$ 6,026	$ 5,528
Goodwill related to acquisitions	1,005	(98)	529
Foreign currency translation and other adjustments	(45)	12	(31)
Balance at end of period	6,900	5,940	6,026
Goodwill accumulated impairment loss	1,557	1,557	1,557
General rentals
Goodwill [Roll Forward]
Balance at beginning of period	4,775	4,980	4,445
Goodwill related to acquisitions	124	(209)	549
Foreign currency translation and other adjustments	(16)	4	(14)
Balance at end of period	4,883	4,775	4,980
Specialty
Goodwill [Roll Forward]
Balance at beginning of period	1,165	1,046	1,083
Goodwill related to acquisitions	881	111	(20)
Foreign currency translation and other adjustments	(29)	8	(17)
Balance at end of period	$ 2,017	$ 1,165	$ 1,046