Goodwill and Other Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Balance at beginning of period	$ 5,154	$ 5,058	$ 4,082
Goodwill related to acquisitions	(2)	83	999
Foreign currency translation and other adjustments	16	13	(23)
Balance at end of period	5,168	5,154	5,058
Goodwill accumulated impairment loss	1,557	1,557	1,557
General rentals
Goodwill [Roll Forward]
Balance at beginning of period	4,362	4,342	3,607
Goodwill related to acquisitions	1	10	752
Foreign currency translation and other adjustments	5	10	(17)
Balance at end of period	4,368	4,362	4,342
Trench, power and fluid solutions
Goodwill [Roll Forward]
Balance at beginning of period	792	716	475
Goodwill related to acquisitions	(3)	73	247
Foreign currency translation and other adjustments	11	3	(6)
Balance at end of period	$ 800	$ 792	$ 716