Income Taxes (Components of deferred tax assets and liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Reserves and allowances	$ 209	$ 193
Debt cancellation and other	16	17
Net operating loss and credit carryforwards	71	97
Operating lease assets	343	287
Total deferred tax assets	639	594
Less: valuation allowance	(5)	(4)
Total net deferred tax assets	634	590
Property and equipment, including rental equipment	(2,893)	(2,921)
Operating lease liabilities	(343)	(285)
Intangibles	(81)	(85)
Interest carryforward	(2)	0
Total deferred tax liability	(3,319)	(3,291)
Total net deferred tax liability	$ (2,685)	$ (2,701)