Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Cash Flows [Abstract]
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	$ 34,155	$ 27,505	$ 42,377	$ 36,410	$ 37,842	$ 22,965
OPERATING ACTIVITIES:
Net income	7,778	5,243	15,885	7,778	29,438	13,180
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization of property and equipment and capitalized content costs, operating lease assets, and other	8,038	5,748	15,546	11,110	29,687	22,843
Stock-based compensation	3,591	2,601	5,897	4,358	10,747	7,977
Other operating expense (income), net	18	282	48	348	(372)	445
Other expense (income), net	(1,258)	(769)	(2,714)	(204)	(5,092)	(310)
Deferred income taxes	701	465	2,404	787	1,063	1,063
Changes in operating assets and liabilities:
Inventories	(209)	(672)	(513)	720	(4,082)	(1,176)
Accounts receivable, net and other	(4,462)	(2,854)	(6,717)	(1,592)	(13,294)	(6,680)
Accounts payable	47	8,616	(8,219)	573	8,689	11,482
Accrued expenses and other	(1,685)	1,699	(5,745)	(1,063)	1,071	1,110
Unearned revenue	156	247	1,056	854	1,467	1,286
Net cash provided by (used in) operating activities	12,715	20,606	16,928	23,669	59,322	51,220
INVESTING ACTIVITIES:
Purchases of property and equipment	(14,288)	(7,459)	(26,370)	(14,254)	(52,256)	(24,263)
Proceeds from property and equipment sales and incentives	1,300	844	2,195	2,212	5,080	4,895
Acquisitions, net of cash acquired, and other	(320)	(118)	(950)	(210)	(3,066)	(1,385)
Sales and maturities of marketable securities	13,213	8,138	31,039	19,764	61,512	34,641
Purchases of marketable securities	(21,985)	(19,209)	(36,660)	(34,210)	(74,929)	(49,196)
Net cash provided by (used in) investing activities	(22,080)	(17,804)	(30,746)	(26,698)	(63,659)	(35,308)
FINANCING ACTIVITIES:
Proceeds from short-term debt, and other	1,176	2,433	3,102	3,050	6,848	4,145
Repayments of short-term debt, and other	(1,176)	(1,906)	(3,177)	(2,537)	(6,817)	(3,693)
Proceeds from long-term debt	18,516	9,918	18,627	9,994	19,158	10,699
Repayments of long-term debt	(41)	(205)	(80)	(241)	(1,392)	(1,305)
Principal repayments of finance leases	(2,804)	(2,817)	(6,210)	(5,417)	(11,435)	(10,504)
Principal repayments of financing obligations	(28)	(15)	(95)	(32)	(116)	(56)
Net cash provided by (used in) financing activities	15,643	7,408	12,167	4,817	6,246	(714)
Foreign currency effect on cash, cash equivalents, and restricted cash	234	127	(59)	(356)	916	(321)
Net increase (decrease) in cash, cash equivalents, and restricted cash	6,512	10,337	(1,710)	1,432	2,825	14,877
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	$ 40,667	$ 37,842	$ 40,667	$ 37,842	$ 40,667	$ 37,842