Accounts and Notes Receivable and Credit Quality of Receivables - Components of Notes Receivable, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	$ 57	$ 53
Notes receivable allowance	(70)	(42)	$ (38)	$ (40)
Total receivables, net	672	808
Mexico
Financing Receivable, Recorded Investment, Past Due [Line Items]
Proceeds from collection of accounts and notes receivable, net	7
Peru
Financing Receivable, Recorded Investment, Past Due [Line Items]
Proceeds from collection of accounts and notes receivable, net	1
Argentina
Financing Receivable, Recorded Investment, Past Due [Line Items]
Proceeds from collection of accounts and notes receivable, net	4
Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	742	844
Notes receivable allowance	(70)	(36)
Total receivables, net	672	808
U.S. and Canada | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	456	534
Notes receivable allowance	(29)	(13)
International
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable allowance	(41)	(28)
International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable	286	310
Notes receivable allowance	(41)	(23)
Balances over 90 days past due | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	145	120
Notes receivable allowance for balances over 90 days past due	(46)	(31)
Notes receivable, net, balances over 90 days past due	99	89
Balances over 90 days past due | U.S. and Canada | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	82	65
Notes receivable allowance for balances over 90 days past due	(21)	(8)
Balances over 90 days past due | International | Notes receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Notes receivable over 90 days past due	63	55
Notes receivable allowance for balances over 90 days past due	$ (25)	$ (23)