Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Goodwill, gross beginning of the period	$ 1,334	$ 1,154
Accumulated impairment losses, beginning of the period	(664)	(671)
Goodwill, beginning of the period	670	483
Additions	2,260	190
Currency translation	1	(3)
Goodwill, gross end of the period	3,598	1,334
Accumulated impairment losses, end of the period	(667)	(664)
Goodwill, end of the period	$ 2,931	$ 670

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

HERC HOLDINGS INC 10-Q