CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities
Net loss including non-controlling interests	$ (4,718)	$ (6,262)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	257	269
Bad debt expense	32	67
Stock-based compensation	408	3,952
Gain on extinguishment of convertible notes and settlement of derivatives	0	(444)
Gain on business divestitures, net	(127)	0
Deferred income taxes	(282)	(31)
Revaluation of derivative liabilities	0	(58)
Accretion of discount on long-term debt	30	78
Loss from equity method investments	19	16
Unrealized (gain) loss on debt and equity securities, net	116	(14)
Impairment of debt and equity securities	1,850	0
Goodwill and asset impairments/loss on sale of assets	297	0
Unrealized foreign currency transactions	13	(5)
Other	(5)	(4)
Change in assets and liabilities, net of impact of business acquisition and disposals:
Accounts receivable	517	(436)
Prepaid expenses and other assets	141	(267)
Collateral held by insurer	178	0
Operating lease right-of-use assets	137	89
Accounts payable	(10)	9
Accrued insurance reserves	(8)	257
Accrued expenses and other liabilities	(337)	1,192
Operating lease liabilities	(42)	(52)
Net cash used in operating activities	(1,534)	(1,644)
Cash flows from investing activities
Proceeds from sale and disposal of property and equipment	1	41
Purchases of property and equipment	(362)	(277)
Purchases of marketable securities	(1,012)	0
Proceeds from maturities and sales of marketable securities	422	0
Proceeds from business disposals, net of cash divested	0	293
Acquisition of business, net of cash acquired	(1,346)	(7)
Return of capital from equity method investee	91	0
Purchase of note receivable	(85)	0
Purchase of non-marketable equity securities	(10)	0
Other investing activities	(11)	0
Net cash provided by (used in) investing activities	(2,312)	50
Cash flows from financing activities
Proceeds from issuance of common stock upon initial public offering, net of offering costs	0	7,977
Taxes paid related to net share settlement of equity awards	0	(1,368)
Proceeds from issuance of common stock related to private placement	0	500
Proceeds from the issuance of common stock under the Employee Stock Purchase Plan	82	0
Issuance of senior notes, net of issuance costs	992	0
Principal repayment on Careem Notes	(891)	0
Principal payments on finance leases	(119)	(72)
Other financing activities	(9)	(8)
Net cash provided by financing activities	55	7,029
Effect of exchange rate changes on cash and cash equivalents, and restricted cash and cash equivalents	(175)	12
Net increase (decrease) in cash and cash equivalents, and restricted cash and cash equivalents	(3,966)	5,447
Cash and cash equivalents, and restricted cash and cash equivalents
Reclassification from assets held for sale during the period	0	34
End of period, excluding cash classified within assets held for sale	8,101	13,690
Reconciliation of cash and cash equivalents, and restricted cash and cash equivalents to the condensed consolidated balance sheets
Cash and cash equivalents	6,754	11,744
Restricted cash and cash equivalents-current	123	137
Restricted cash and cash equivalents-non-current	1,224	1,809
Total cash and cash equivalents, and restricted cash and cash equivalents	8,101	13,690
Cash paid for:
Interest, net of amount capitalized	211	166
Income taxes, net of refunds	58	80
Non-cash investing and financing activities:
Conversion of redeemable convertible preferred stock to common stock upon initial public offering	0	14,224
Conversion of convertible notes to common stock upon initial public offering	0	4,229
Finance lease obligations	131	150
Ownership interest in Zomato received in exchange for the divestiture of Uber Eats India operations	171	0
Issuance of initial unsecured convertible notes in connection with Careem acquisition	880	0
Holdback amount of unsecured convertible notes in connection with Careem acquisition	$ 754	$ 0