v3.10.0.1
Fair Value Measurement of Assets and Liabilities (Tables)
9 Months Ended
Sep. 30, 2018
Fair Value Disclosures [Abstract]  
Schedule of fair value of assets and liabilities measured on a recurring basis The following tables present our financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2018 and December 31, 2017 (in millions):
 
September 30, 2018
 
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
 
Significant Other
Observable Inputs
(Level 2)
 
Significant 
Unobservable Inputs
(Level 3)
Assets:
 
 
 
 
 
 
 
Cash and cash equivalents
$
2,086

 
$
2,051

 
$
35

 
$

Short-term investments:
 
 
 
 
 
 
 
Restricted cash
15

 
15

 

 

Corporate debt securities
2,696

 

 
2,696

 

Government and agency securities
41

 

 
41

 

Total short-term investments
2,752

 
15

 
2,737

 

Derivatives
363

 

 
87

 
276

Long-term investments:
 
 
 
 
 
 
 
Corporate debt securities
4,132

 

 
4,132

 

Total long-term investments
4,132

 

 
4,132

 

Total financial assets
$
9,333

 
$
2,066

 
$
6,991

 
$
276

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Derivatives
$
55

 
$

 
$
55

 
$


 
December 31, 2017
 
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
 
Significant Other
Observable Inputs
(Level 2)
Assets:
 
 
 
 
 
Cash and cash equivalents
$
2,120

 
$
2,120

 
$

Short-term investments:
 
 
 
 
 
Restricted cash
20

 
20

 

Corporate debt securities
3,723

 

 
3,723

Total short-term investments
3,743

 
20

 
3,723

Derivatives
28

 

 
28

Long-term investments:
 
 
 
 
 
Corporate debt securities
5,446

 

 
5,446

Total long-term investments
5,446

 

 
5,446

Total financial assets
$
11,337

 
$
2,140

 
$
9,197

 
 
 
 
 
 
Liabilities:
 
 
 
 
 
Derivatives
$
29

 
$

 
$
29

Schedule of Assets Measured Using Significant Unobservable Inputs The following table presents a reconciliation of the opening to closing balance of assets measured using significant unobservable inputs (Level 3) as of September 30, 2018 (in millions):

 
September 30,
2018
Opening balance as of January 1, 2018
$

Recognition of warrant
44

Change in fair value
232

Closing balance as of September 30, 2018
$
276