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Accounts Receivable and Notes Receivable and Credit Quality of Receivables - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Stockholders' Equity Attributable to Parent $ 2,653 $ 2,212
Cumulative Effect, Period of Adoption, Adjustment | Accumulated Loss    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Stockholders' Equity Attributable to Parent   $ 6
Notes Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing receivable, percentage greater than 90 days past due 14.00% 11.00%
Extended Maturity [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts Receivable, before Allowance for Credit Loss $ 134