CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities
Net income	$ 4,902	$ 2,429
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,597	1,355
Share-based compensation	1,335	1,010
Deferred income taxes	477	183
Other	6	6
Changes in assets and liabilities:
Accounts receivable	2,046	1,070
Prepaid expenses and other current assets	(29)	84
Other assets	(16)	41
Accounts payable	(44)	(96)
Partners payable	(169)	(1)
Accrued expenses and other current liabilities	980	3,154
Deferred revenue and deposits	(16)	(4)
Other liabilities	(68)	77
Net cash provided by operating activities	11,001	9,308
Cash flows from investing activities
Purchases of property and equipment, net	(3,558)	(3,837)
Purchases of marketable securities	(7,884)	(6,603)
Sales of marketable securities	2,764	1,512
Maturities of marketable securities	4,644	2,210
Acquisitions of businesses, net of cash acquired, and purchases of intangible assets	(33)	(50)
Other investing activities, net	(42)	0
Net cash used in investing activities	(4,109)	(6,768)
Cash flows from financing activities
Taxes paid related to net share settlement of equity awards	(690)	(512)
Repurchases of Class A common stock	(1,250)	(613)
Principal payments on finance leases	(100)	(125)
Net change in overdraft in cash pooling entities	(80)	(177)
Other financing activities, net	98	4
Net cash used in financing activities	(2,022)	(1,423)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(222)	(44)
Net increase in cash, cash equivalents, and restricted cash	4,648	1,073
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	23,927	11,197
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets
Cash and cash equivalents	23,618	11,076
Total cash, cash equivalents, and restricted cash	23,927	11,197
Supplemental cash flow data
Cash paid for income taxes, net	209	682
Non-cash investing activities:
Acquisition of businesses in accrued expenses and other liabilities	148	0
Property and equipment in accounts payable and accrued liabilities	$ 1,603	$ 1,617