Revenues - Receivables (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Accounts Receivable, after Allowance for Credit Loss, Current	$ 930		$ 825
Receivables, Net	930		825
Contract with Customer, Asset, after Allowance for Credit Loss, Current	41		47
Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent	18		14
Contract Liabilities in Other Current Liabilities (a)	22		26
Contract with Customer, Liability, Revenue Recognized	18	$ 25
Equipment Rentals
Disaggregation of Revenue [Line Items]
Receivables, Net	30		30
Product and Service, Other
Disaggregation of Revenue [Line Items]
Receivables, Net	$ 900		$ 795

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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