| USD ($) $ in Millions | Jun 30, 2026 | Mar 31, 2026 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Sep 30, 2022 | Jun 30, 2022 | Mar 31, 2022 | Sep 30, 2021 | Jun 30, 2021 | Mar 31, 2021 | Sep 30, 2020 | Jun 30, 2020 | Mar 31, 2020 | Sep 30, 2019 | Jun 30, 2019 | Mar 31, 2019 | Sep 30, 2018 | Jun 30, 2018 | Mar 31, 2018 | Sep 30, 2017 | Jun 30, 2017 | Mar 31, 2017 | Sep 30, 2016 | Jun 30, 2016 | Mar 31, 2016 | Sep 30, 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating activities | |||||||||||||||||||||||||||||||||
Net income | $ 112,193 | $ 62,578 | $ 34,979 | $ 28,196 | $ 34,540 | $ 26,301 | $ 23,619 | $ 23,662 | $ 19,689 | $ 18,368 | $ 15,051 | $ 13,910 | |||||||||||||||||||||
Adjustments: | |||||||||||||||||||||||||||||||||
Gain on equity interest | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Depreciation of property and equipment | 7,104 | 6,482 | 5,611 | 4,998 | 4,487 | 3,985 | 3,708 | 3,413 | - | - | - | - | |||||||||||||||||||||
Depreciation and impairment of property and equipment | - | - | - | - | - | - | - | - | 3,671 | 3,279 | 3,060 | 3,933 | |||||||||||||||||||||
Amortization and impairment of intangible assets | - | - | - | - | - | - | - | - | 129 | 118 | 126 | 113 | |||||||||||||||||||||
Stock-based compensation expense | 7,957 | 6,751 | 6,368 | 5,998 | 5,516 | 5,846 | 5,865 | 5,264 | 5,743 | 5,774 | 5,284 | 4,976 | |||||||||||||||||||||
Deferred income taxes | 20,618 | 6,920 | 8,726 | (444) | (1,152) | (1,071) | (3,157) | 419 | (1,824) | (2,415) | (1,854) | (1,920) | |||||||||||||||||||||
Loss (gain) on debt and equity securities, net | (98,999) | (36,804) | (10,855) | (1,451) | (9,960) | (1,981) | 1,024 | (1,781) | 869 | 509 | (84) | 1,378 | |||||||||||||||||||||
(Gain) loss on debt and equity securities, net | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Loss on marketable and non-marketable investments, net | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Other | 1,896 | 1,265 | (198) | 560 | 481 | 1,407 | 851 | 334 | 262 | 97 | 553 | 167 | |||||||||||||||||||||
Changes in assets and liabilities, net of effects of acquisitions: | |||||||||||||||||||||||||||||||||
Accounts receivable, net | (6,541) | (363) | (2,381) | (2,839) | 1,638 | (1,431) | (3,057) | 3,167 | (2,821) | (2,948) | 4,454 | (97) | |||||||||||||||||||||
Inventory | (7,739) | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Income taxes, net | 203 | 8,101 | (858) | (9,631) | 7,197 | (1,908) | (3,900) | 3,011 | 1,872 | 4,451 | 4,069 | (609) | |||||||||||||||||||||
Other assets | (6,547) | (3,403) | (1,293) | (1,479) | (1,288) | (802) | (532) | (1,000) | (1,624) | (513) | (746) | (2,647) | |||||||||||||||||||||
Prepaid revenue share, expenses and other assets | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Accounts payable | 2,330 | (240) | (444) | 553 | (880) | 521 | 1,561 | (2,124) | 223 | 1,119 | (1,105) | 1,907 | |||||||||||||||||||||
Accrued expenses and other liabilities | 6,310 | (6,002) | 7,759 | 3,485 | (5,045) | (1,190) | (122) | (5,054) | 3,657 | 459 | (4,496) | 2,210 | |||||||||||||||||||||
Accrued revenue share | - | - | 319 | (335) | 116 | 381 | 419 | (322) | 103 | 184 | (602) | (80) | |||||||||||||||||||||
Deferred revenue | 284 | 505 | 681 | 136 | 500 | 640 | 361 | (141) | 707 | 184 | (201) | 112 | |||||||||||||||||||||
Net cash provided by operating activities | 39,069 | 45,790 | 48,414 | 27,747 | 36,150 | 30,698 | 26,640 | 28,848 | 30,656 | 28,666 | 23,509 | 23,353 | |||||||||||||||||||||
Investing activities | |||||||||||||||||||||||||||||||||
Purchases of property and equipment | (44,924) | (35,674) | (23,953) | (22,446) | (17,197) | (13,061) | (13,186) | (12,012) | (8,055) | (6,888) | (6,289) | (7,276) | |||||||||||||||||||||
Proceeds from disposals of property and equipment | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Purchases of marketable securities | (45,439) | (31,041) | (20,964) | (21,417) | (18,453) | (22,023) | (22,327) | (20,684) | (13,833) | (21,362) | (14,227) | (17,054) | |||||||||||||||||||||
Maturities and sales of marketable securities | 28,695 | 38,001 | 20,371 | 20,585 | 20,345 | 23,202 | 33,592 | 24,985 | 15,593 | 18,722 | 18,327 | 28,713 | |||||||||||||||||||||
Purchases of non-marketable securities | (21,145) | (906) | (1,000) | (1,354) | (958) | (1,035) | (993) | (1,206) | (663) | (887) | (626) | (364) | |||||||||||||||||||||
Maturities and sales of non-marketable securities | 819 | 848 | 323 | 614 | 259 | 127 | 292 | 313 | 562 | 145 | 36 | 6 | |||||||||||||||||||||
Cash collateral related to securities lending | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Investments in reverse repurchase agreements | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Acquisitions, net of cash acquired, and purchases of intangible assets | (76) | (33,621) | (1,072) | (13) | (340) | (2,753) | (26) | (61) | (126) | (298) | (42) | (5,649) | |||||||||||||||||||||
Other investing activities | (363) | (996) | (1,482) | (513) | 150 | (2,468) | (133) | 101 | (628) | (232) | (125) | 791 | |||||||||||||||||||||
Proceeds from collection of notes receivable | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Net cash used in investing activities | (82,433) | (63,389) | (27,777) | (24,544) | (16,194) | (18,011) | (2,781) | (8,564) | (7,150) | (10,800) | (2,946) | (833) | |||||||||||||||||||||
Financing activities | |||||||||||||||||||||||||||||||||
Net payments related to stock-based award activities | (6,573) | (5,483) | (3,270) | (2,621) | (3,110) | (3,003) | (3,209) | (2,929) | (2,432) | (2,736) | (1,989) | (2,041) | |||||||||||||||||||||
Repurchases of stock | - | 0 | (11,504) | (13,638) | (15,068) | (15,291) | (15,684) | (15,696) | (15,787) | (14,969) | (14,557) | (15,392) | |||||||||||||||||||||
Dividend payments | (2,689) | (2,542) | (2,536) | (2,543) | (2,434) | (2,455) | (2,466) | - | - | - | - | - | |||||||||||||||||||||
Proceeds from issuance of common stock, net of costs | 30,499 | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Proceeds from issuance of mandatory convertible preferred stock, net of costs | 19,063 | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Proceeds from issuance of debt, net of costs | 24,847 | 31,379 | 6,624 | 26,846 | 4,532 | 3,819 | 2,893 | 1,982 | 1,248 | 1,123 | 6,927 | 15,094 | |||||||||||||||||||||
Repayments of debt | (3,776) | (1,477) | (7,697) | (13,876) | (4,521) | (3,449) | (2,423) | (3,079) | (1,414) | (1,255) | (6,952) | (15,768) | |||||||||||||||||||||
Proceeds from sale of interest in consolidated entities, net | 558 | 3,200 | - | - | 400 | 285 | - | 8 | 3 | 2 | 3 | 10 | |||||||||||||||||||||
Other financing activities | (686) | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Net cash provided by (used in) financing activities | 61,243 | 25,077 | (18,383) | (5,832) | (20,201) | (20,094) | (20,889) | (19,714) | (18,382) | (17,835) | (16,568) | (18,097) | |||||||||||||||||||||
Effect of exchange rate changes on cash and cash equivalents | (31) | (123) | (200) | 401 | 43 | 141 | (238) | (125) | (351) | (26) | 50 | (375) | |||||||||||||||||||||
Net increase (decrease) in cash and cash equivalents | 17,848 | 7,355 | 2,054 | (2,228) | (202) | (7,266) | 2,732 | 445 | 4,773 | 5 | 4,045 | 4,048 | |||||||||||||||||||||
Supplemental disclosures of cash flow information | |||||||||||||||||||||||||||||||||
Cash paid for income taxes | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Cash paid for taxes | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Cash paid for interest | - | - | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||
Supplemental disclosures of non-cash investing activities: | |||||||||||||||||||||||||||||||||
Property and equipment included in accrued liabilities and accounts payable | $ 4,982 | $ 24,131 | - | - | - | - | - | - | - | - | - | - |