Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Cash Flows [Abstract]
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	$ 61,453	$ 71,673	$ 82,312	$ 73,890	$ 78,677	$ 50,081
OPERATING ACTIVITIES:
Net income	21,187	15,328	56,478	39,244	76,482	49,868
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	16,796	13,442	46,285	37,164	61,916	50,984
Stock-based compensation	4,847	5,333	15,070	17,016	20,065	23,335
Non-operating expense (income), net	(10,112)	(141)	(14,187)	2,498	(14,673)	2,159
Deferred income taxes	10,130	(1,317)	10,648	(3,040)	9,040	(4,504)
Changes in operating assets and liabilities:
Inventories	(827)	(1,509)	(6,103)	(2,818)	(5,169)	(175)
Accounts receivable, net and other	(1,977)	(701)	(1,855)	774	(5,878)	(6,673)
Other assets	(4,039)	(4,537)	(10,412)	(10,293)	(14,602)	(13,095)
Accounts payable	2,151	(477)	166	(5,754)	8,892	5,134
Accrued expenses and other	(1,999)	129	(11,012)	(6,946)	(6,970)	(352)
Unearned revenue	(632)	421	(23)	2,396	1,588	6,025
Net cash provided by (used in) operating activities	35,525	25,971	85,055	70,241	130,691	112,706
INVESTING ACTIVITIES:
Purchases of property and equipment	(35,095)	(22,620)	(92,297)	(55,165)	(120,131)	(69,753)
Proceeds from property and equipment sales and incentives	867	1,342	2,446	3,559	4,228	4,794
Acquisitions, net of cash acquired, non-marketable investments, and other, net	(786)	(622)	(2,438)	(4,547)	(4,973)	(4,928)
Sales and maturities of marketable securities	16,367	8,069	35,545	12,726	39,222	14,294
Purchases of marketable securities	(7,426)	(3,068)	(38,556)	(13,472)	(51,089)	(13,907)
Net cash provided by (used in) investing activities	(26,073)	(16,899)	(95,300)	(56,899)	(132,743)	(69,500)
FINANCING ACTIVITIES:
Proceeds from short-term debt, and other	3,223	1,725	7,131	2,588	9,685	3,322
Repayments of short-term debt, and other	(1,826)	(1,820)	(5,300)	(2,453)	(7,907)	(8,791)
Proceeds from long-term debt	0	0	746	0	746	0
Repayments of long-term debt	(1,008)	(2,183)	(3,759)	(6,682)	(6,259)	(6,972)
Principal repayments of finance leases	(351)	(402)	(1,172)	(1,710)	(1,505)	(2,489)
Principal repayments of financing obligations	(82)	(78)	(276)	(247)	(698)	(320)
Net cash provided by (used in) financing activities	(44)	(2,758)	(2,630)	(8,504)	(5,938)	(15,250)
Foreign currency effect on cash, cash equivalents, and restricted cash	(397)	690	1,027	(51)	(223)	640
Net increase (decrease) in cash, cash equivalents, and restricted cash	9,011	7,004	(11,848)	4,787	(8,213)	28,596
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	$ 70,464	$ 78,677	$ 70,464	$ 78,677	$ 70,464	$ 78,677