Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Investments All Other Investments [Abstract]

Schedule of Marketable Securities

	December 31, 2018
	Total Amortized		Total Fair		Cash and Cash		Short-Term Marketable
	Cost		Value (1)		Equivalents		Securities
Level 1:
Money market funds	$	128	$	128	$	128		—
Level 2:
Commercial paper		20		20		5		15
Total	$	148	$	148	$	133	$	15

(1) As of December 31, 2018, any unrealized gains or losses related to our marketable securities were not material.  

Notional Principal Amounts of Outstanding Derivative Instruments

The following table shows the notional principal amounts of our outstanding derivative instruments for the periods presented:

	December 31, 2019		December 31, 2018
	(in millions)
Foreign currency exchange-forward contracts (1)(2)	$	10	$	13

(1) Derivative contracts address foreign currency exchange fluctuations for the Euro versus the U.S. dollar. The Company had one and two outstanding derivative contracts as of December 31, 2019 and 2018, respectively. These outstanding derivatives are not designated as hedging instruments.

(2) The fair value of our outstanding derivatives as of December 31, 2019 and 2018, respectively, was not material and was reported as a liability in accrued expenses and other current liabilities on our consolidated balance sheets.