CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 17,927	$ 11,136
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,999	4,273
Share-based compensation	4,752	3,562
Deferred income taxes	(816)	358
Other	56	44
Changes in assets and liabilities:
Accounts receivable	1,547	(264)
Prepaid expenses and other current assets	(89)	(527)
Other assets	(8)	66
Accounts payable	39	2
Partners payable	(100)	59
Accrued expenses and other current liabilities	(3,273)	6,439
Deferred revenue and deposits	111	82
Other liabilities	(438)	2,001
Net cash provided by operating activities	24,707	27,231
Cash flows from investing activities
Purchases of property and equipment, net	(10,502)	(11,002)
Purchases of marketable securities	(28,193)	(19,152)
Sales of marketable securities	9,779	7,402
Maturities of marketable securities	10,725	7,048
Purchases of equity investments	(6,302)	(61)
Acquisitions of businesses, net of cash acquired, and purchases of intangible assets	(384)	(63)
Other investing activities, net	(9)	0
Net cash used in investing activities	(24,886)	(15,828)
Cash flows from financing activities
Taxes paid related to net share settlement of equity awards	(2,444)	(1,710)
Repurchases of Class A common stock	(4,343)	(2,906)
Principal payments on finance leases	(398)	(411)
Net change in overdraft in cash pooling entities	(24)	(260)
Other financing activities, net	124	14
Net cash used in financing activities	(7,085)	(5,273)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(36)	(174)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(7,300)	5,956
Cash, cash equivalents, and restricted cash at beginning of the period	19,279	10,124
Cash, cash equivalents, and restricted cash at end of the period	11,979	16,080
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash and cash equivalents	11,617	15,979
Total cash, cash equivalents, and restricted cash	11,979	16,080
Supplemental cash flow data
Cash paid for income taxes, net	3,122	2,528
Non-cash investing activities:
Acquisition of businesses and other investments in accrued expenses and other liabilities	118	0
Property and equipment in accounts payable and accrued expenses and other liabilities	$ 2,137	$ 1,850