Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Operating activities:
Net income		$ 6,197	$ 4,136	$ 208
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	[1]	3,477	3,959	3,786
Amortization of costs capitalized to obtain revenue contracts, net		2,095	1,925	1,668
Stock-based compensation expense		3,183	2,787	3,279
Losses on strategic investments, net		121	277	239
Changes in assets and liabilities, net of business combinations:
Accounts receivable, net		(490)	(659)	(995)
Costs capitalized to obtain revenue contracts, net		(2,121)	(1,872)	(2,345)
Prepaid expenses and other current assets and other assets		(1,495)	(843)	(302)
Accounts payable and accrued expenses and other liabilities		1,089	(478)	528
Operating lease liabilities		(548)	(621)	(699)
Unearned revenue		1,584	1,623	1,744
Net cash provided by operating activities		13,092	10,234	7,111
Investing activities:
Business combinations, net of cash acquired		(2,734)	(82)	(439)
Purchases of strategic investments		(539)	(496)	(550)
Sales of strategic investments		126	108	355
Purchases of marketable securities		(6,879)	(3,761)	(4,777)
Sales of marketable securities		4,143	1,511	1,771
Maturities of marketable securities		3,378	2,129	2,449
Capital expenditures		(658)	(736)	(798)
Net cash used in investing activities		(3,163)	(1,327)	(1,989)
Financing activities:
Repurchases of common stock		(7,829)	(7,620)	(4,000)
Proceeds from employee stock plans		1,540	1,954	861
Principal payments on financing obligations		(603)	(629)	(419)
Repayments of debt		(1,000)	(1,182)	(4)
Payments of dividends		(1,537)	0	0
Net cash used in financing activities		(9,429)	(7,477)	(3,562)
Effect of exchange rate changes		(124)	26	(8)
Net increase in cash and cash equivalents		376	1,456	1,552
Cash and cash equivalents, beginning of period		8,472	7,016	5,464
Cash and cash equivalents, end of period		8,848	8,472	7,016
Cash paid during the period for:
Interest		233	254	275
Income taxes, net of tax refunds		$ 2,061	$ 1,027	$ 510

[1] Includes amortization of intangible assets acquired through business combinations, depreciation of fixed assets and amortization and impairment of right-of-use assets.