Basis of Presentation - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) country	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Summary of Significant Accounting Policies [Line Items]
Net revenues	$ 6,707	$ 6,538
Number of countries in which products are sold (more than) | country	150
Number of countries in which entity operates (more than) | country	80
Restricted cash	$ 27		$ 37
Cash, cash equivalents and restricted cash	1,952	1,542	1,328	$ 1,100
Outstanding principal amount of receivables sold under factoring arrangement	840		$ 760
Operating lease right-of-use assets obtained in exchange for lease obligations	89	26
Finance lease right-of-use assets in exchange for lease obligations	25	7
Argentina
Summary of Significant Accounting Policies [Line Items]
Net monetary assets	9
Net revenues	$ 98
Percentage of consolidated net revenues	1.50%
Argentina | Selling, general and administrative expenses
Summary of Significant Accounting Policies [Line Items]
Remeasurement loss due to inflationary accounting	$ 2	$ 2
U.K. | Geographic Concentration Risk | Net Revenues
Summary of Significant Accounting Policies [Line Items]
Concentration risk percentage	9.40%