Receivables, Allowance for Credit Losses and Credit Quality of Receivables - Schedule of LATAM Receivables (Details) - Latin America $ in Millions	Sep. 30, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	$ 116
Accounts Receivable, Allowance for Credit Loss	(41)
Accounts Receivable, after Allowance for Credit Loss	75
Current or Not Yet Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	60
Accounts Receivable, Allowance for Credit Loss	(11)
Accounts Receivable, after Allowance for Credit Loss	49
Balances Over 90 days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss	55
Accounts Receivable, Allowance for Credit Loss	(30)
Accounts Receivable, after Allowance for Credit Loss	$ 25