Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD	$ 36,477	$ 42,377	$ 34,155	$ 27,505
OPERATING ACTIVITIES:
Net income (loss)	(3,844)	8,107	21,413	26,903
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation and amortization of property and equipment and capitalized content costs, operating lease assets, and other	8,978	7,508	35,766	27,397
Stock-based compensation	3,250	2,306	13,701	9,757
Other operating expense (income), net	215	30	322	(108)
Other expense (income), net	8,689	(1,456)	(4,161)	(4,603)
Deferred income taxes	(2,001)	1,703	(4,014)	827
Changes in operating assets and liabilities:
Inventories	(2,614)	(304)	(11,797)	(4,545)
Accounts receivable, net and other	(1,516)	(2,255)	(17,424)	(11,686)
Accounts payable	(9,380)	(8,266)	2,488	17,258
Accrued expenses and other	(5,903)	(4,060)	280	4,455
Unearned revenue	1,336	900	2,750	1,558
Net cash provided by (used in) operating activities	(2,790)	4,213	39,324	67,213
INVESTING ACTIVITIES:
Purchases of property and equipment	(14,951)	(12,082)	(63,922)	(45,427)
Proceeds from property and equipment sales and incentives	1,209	895	5,971	4,624
Acquisitions, net of cash acquired, and other	(6,341)	(630)	(7,696)	(2,864)
Sales and maturities of marketable securities	22,753	17,826	64,311	56,437
Purchases of marketable securities	(1,764)	(14,675)	(47,246)	(72,153)
Net cash provided by (used in) investing activities	906	(8,666)	(48,582)	(59,383)
FINANCING ACTIVITIES:
Common stock repurchased	(2,666)	0	(2,666)	0
Proceeds from short-term debt, and other	13,743	1,926	19,773	8,105
Repayments of short-term debt, and other	(6,231)	(2,001)	(11,983)	(7,547)
Proceeds from long-term debt	0	111	18,892	10,560
Repayments of long-term debt	0	(39)	(1,551)	(1,556)
Principal repayments of finance leases	(2,777)	(3,406)	(10,534)	(11,448)
Principal repayments of financing obligations	(79)	(67)	(174)	(103)
Net cash provided by (used in) financing activities	1,990	(3,476)	11,757	(1,989)
Foreign currency effect on cash, cash equivalents, and restricted cash	16	(293)	(55)	809
Net increase (decrease) in cash, cash equivalents, and restricted cash	122	(8,222)	2,444	6,650
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD	$ 36,599	$ 34,155	$ 36,599	$ 34,155