Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Deferred revenue	$ 175	$ 185
Accounts receivable, net	2,510	2,357
Accounts receivable, allowance for doubtful accounts	180
Contract with customer, asset, after allowance for credit loss	0
Contract with customer, liability, revenue recognized	0	0
Contract with customer, performance obligation satisfied in previous period	$ 0	$ 0
Customer concentration risk | Revenues | Largest customer
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Concentration risk (as a percent)	1.00%	1.00%	1.00%
Customer concentration risk | Accounts receivable | Largest customer
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Concentration risk (as a percent)	2.00%	2.00%
Owned equipment rentals | Product concentration risk | Revenues
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Concentration risk (as a percent)	69.00%
Total equipment rentals | Product concentration risk | Revenues
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Concentration risk (as a percent)	77.00%
General rentals | Product concentration risk | Revenues
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Concentration risk (as a percent)	68.00%
UNITED STATES | Geographic Concentration Risk | Revenues
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Concentration risk (as a percent)	91.00%