v3.19.3.a.u2
Description of Business and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Cash and Cash Equivalents The reconciliation of cash and cash equivalents and restricted cash and cash equivalents to amounts presented in the consolidated statements of cash flows are as follows (in millions):
 
 
As of December 31,
 
 
2017
 
2018
 
2019
Cash and cash equivalents
 
$
4,393

 
$
6,406

 
$
10,873

Restricted cash and cash equivalents - current
 
142

 
67

 
99

Restricted cash and cash equivalents - non-current
 
1,293

 
1,736

 
1,095

Total cash and cash equivalents, and restricted cash and cash equivalents
 
$
5,828

 
$
8,209

 
$
12,067
Schedule of Restricted Cash and Cash Equivalents The reconciliation of cash and cash equivalents and restricted cash and cash equivalents to amounts presented in the consolidated statements of cash flows are as follows (in millions):
 
 
As of December 31,
 
 
2017
 
2018
 
2019
Cash and cash equivalents
 
$
4,393

 
$
6,406

 
$
10,873

Restricted cash and cash equivalents - current
 
142

 
67

 
99

Restricted cash and cash equivalents - non-current
 
1,293

 
1,736

 
1,095

Total cash and cash equivalents, and restricted cash and cash equivalents
 
$
5,828

 
$
8,209

 
$
12,067
Schedule of Useful Lives of Property and Equipment, Net Depreciation and amortization is computed using the straight‑line method over the estimated useful lives of the assets, which are as follows:
Property and Equipment
 
Estimated Useful Life
Land
 
Indefinite
Buildings
 
30 years
Site improvements
 
5-15 years
Leased vehicles
 
3-10 years
Computer equipment
 
3-5 years
Furniture and fixtures
 
3-5 years
Dockless e-bikes
 
3 years
Internal-use software
 
2 years
Leased computer equipment
 
Shorter of estimated useful life or lease term
Leasehold improvements
 
Shorter of estimated useful life or lease term

The components of property and equipment, net as of December 31, 2018 and 2019 were as follows (in millions):
 
 
As of December 31,
 
 
2018
 
2019
Land
 
$
67

 
$
76

Building and site improvements
 
93

 
40

Leasehold improvements
 
315

 
382

Computer equipment
 
858

 
927

Leased computer equipment
 
288

 
539

Leased vehicles
 
34

 
24

Internal-use software
 
51

 
127

Furniture and fixtures
 
39

 
49

Dockless e-bikes
 
10

 
78

Construction in progress
 
832

 
863

Total
 
2,587

 
3,105

Less: Accumulated depreciation and amortization
 
(946
)
 
(1,374
)
Property and equipment, net
 
$
1,641

 
$
1,731