Organization, Description of Business and Consolidation (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Nov. 30, 2022	Dec. 31, 2021	Aug. 31, 2021
Revenue from External Customer [Line Items]
Weighted-average interest rate on average debt outstanding	3.30%		1.40%
6 percent Senior Secured Notes due 2029 | Senior notes
Revenue from External Customer [Line Items]
Debt instrument, face amount		$ 1,500
Stated interest rate	600.00%	6.00%
Senior Notes 3.75 Percent | Senior notes
Revenue from External Customer [Line Items]
Debt instrument, face amount				$ 750
Stated interest rate	3.75%
Sales of rental equipment
Revenue from External Customer [Line Items]
Revenue units sold, percentage decrease	17.00%
Gross profit, increase (decrease), percentage	14.20%