Receivables, Allowance for Credit Losses and Credit Quality of Receivables - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and notes receivable, net			$ 433	$ 457
Allowance for Loan and Lease Losses, Period Increase (Decrease)	$ 1	$ 40
Stockholders' Equity Attributable to Parent	(2,541)	(2,541)	(2,335)	(2,653)	$ (2,479)	$ (2,358)	$ (2,108)
Stockholders' Equity Attributable to Parent	(2,541)	(2,541)	$ (2,335)	$ (2,653)	(2,479)	(2,358)	(2,108)
Balances Over 90 days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Percent Past Due			12.00%	18.00%
Accumulated Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Stockholders' Equity Attributable to Parent	(3,439)	(3,439)			(3,322)	(3,119)	(2,954)
Stockholders' Equity Attributable to Parent	$ (3,439)	$ (3,439)			$ (3,322)	$ (3,119)	(2,954)
Cumulative Effect, Period of Adoption, Adjustment | Accumulated Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Stockholders' Equity Attributable to Parent							6
Stockholders' Equity Attributable to Parent							$ 6
Notes receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and notes receivable, net			$ 433	$ 457
Latin America
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss			106
Accounts Receivable, after Allowance for Credit Loss			67
Latin America | Balances Over 90 days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, before Allowance for Credit Loss			62
Accounts Receivable, after Allowance for Credit Loss			$ 39