Accounts and Notes Receivable and Credit Quality of Receivables (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jan. 01, 2020	Dec. 31, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 70	$ 38		$ 42	$ 40
Provision for Loan, Lease, and Other Losses	28	1
Financing Receivable, Allowance for Credit Loss, Recovery	0	$ 3
Cumulative Effect of New Accounting Principle in Period of Adoption			$ (6)
Allowance for Loan and Lease Losses, Period Increase (Decrease)	28
Extended Maturity [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts Receivable, before Allowance for Credit Loss	157
Accounts Receivable, before Allowance for Credit Loss	$ 157
Balances over 90 days past due
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Financing Receivable, Percent Past Due	15.00%			11.00%
Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption			$ 6
International
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 41			$ 28
Provision for Loan, Lease, and Other Losses	13
Financing Receivable, Allowance for Credit Loss, Recovery	0
U.S. and Canada
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Financing Receivable, Allowance for Credit Losses	29			$ 14
Provision for Loan, Lease, and Other Losses	15
Financing Receivable, Allowance for Credit Loss, Recovery	0
Mexico
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from collection of accounts and notes receivable, net	7
Financing Receivable, Deferred Income	25
Peru
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from collection of accounts and notes receivable, net	1
Financing Receivable, Deferred Income	7
Argentina
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from collection of accounts and notes receivable, net	4
Financing Receivable, Deferred Income	$ 12