Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Cash Flows [Abstract]
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	$ 36,410	$ 32,173	$ 21,856
OPERATING ACTIVITIES:
Net income	21,331	11,588	10,073
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	25,251	21,789	15,341
Stock-based compensation	9,208	6,864	5,418
Other operating expense (income), net	(71)	164	274
Other expense (income), net	(2,582)	(249)	219
Deferred income taxes	(554)	796	441
Changes in operating assets and liabilities:
Inventories	(2,849)	(3,278)	(1,314)
Accounts receivable, net and other	(8,169)	(7,681)	(4,615)
Accounts payable	17,480	8,193	3,263
Accrued expenses and other	5,754	(1,383)	472
Unearned revenue	1,265	1,711	1,151
Net cash provided by (used in) operating activities	66,064	38,514	30,723
INVESTING ACTIVITIES:
Purchases of property and equipment	(40,140)	(16,861)	(13,427)
Proceeds from property and equipment sales and incentives	5,096	4,172	2,104
Acquisitions, net of cash acquired, and other	(2,325)	(2,461)	(2,186)
Sales and maturities of marketable securities	50,237	22,681	8,240
Purchases of marketable securities	(72,479)	(31,812)	(7,100)
Net cash provided by (used in) investing activities	(59,611)	(24,281)	(12,369)
FINANCING ACTIVITIES:
Proceeds from short-term debt, and other	6,796	1,402	886
Repayments of short-term debt, and other	(6,177)	(1,518)	(813)
Proceeds from long-term debt	10,525	871	182
Repayments of long-term debt	(1,553)	(1,166)	(155)
Principal repayments of finance leases	(10,642)	(9,628)	(7,449)
Principal repayments of financing obligations	(53)	(27)	(337)
Net cash provided by (used in) financing activities	(1,104)	(10,066)	(7,686)
Foreign currency effect on cash, cash equivalents, and restricted cash	618	70	(351)
Net increase (decrease) in cash, cash equivalents, and restricted cash	5,967	4,237	10,317
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	$ 42,377	$ 36,410	$ 32,173