Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the carrying amount of goodwill for the periods presented were as follows (in millions):

	Total
Balance as of December 31, 2018	$	—
Acquisitions	306
Balance as of December 31, 2019	306
Acquisitions	10
Balance as of December 31, 2020	$	316

Schedule of Intangible Assets

Intangible assets, net consisted of the following as of December 31, 2019 (in millions):

	Weighted-average Remaining Useful Life (in years)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Existing technology	1.4	$	49	$	(6)	$	43
Vendor relationships	12.8	45		(1)		44
Courier relationships	1.3	1		—		1
Customer relationships	2.8	9		—		9
Trade name and trademarks	2.8	6		—		6
Balance as of December 31, 2019		$	110	$	(7)	$	103

Intangible assets, net consisted of the following as of year ended December 31, 2020 (in millions):

	Weighted-average Remaining Useful Life (in years)	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Existing technology	7.6	$	71	$	(48)	$	23
Vendor relationships	11.8	45		(4)		41
Courier relationships	0.3	1		(1)		—
Customer relationships	1.8	9		(3)		6
Trade name and trademarks	1.8	6		(2)		4
Balance as of December 31, 2020		$	132	$	(58)	$	74

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated future amortization expense of intangible assets as of December 31, 2020 was as follows (in millions):

Year Ending December 31,	Amortization Expense
2021	$	13
2022	10
2023	6
2024	6
2025	6
Thereafter	33
Total estimated future amortization expense	$	74