Employee Service Share Based Compensation recognized Compensation Costs On Nonvested Restricted Shares

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- Definition

Employee Stock Ownership Plan (ESOP), Compensation Expense, Differences

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Shares remaining available for issuance for the plan.

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Employee Stock Purchase Plan, Maximum Percentage of Compensation to Purchase Shares By Eligible Participants

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Employee Stock Purchase Plan, Minimum Percentage of Common Stock Fair Value Defined to Purchase Shares By Eligible Participants

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Employee Stock Purchase Plan, Number Of Exercise Periods

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Employee Stock Purchase Plan, Term of Exercise Period

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Employee Stock Purchase Plan, Term of Offering Period

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Granted Counted Against Shares Authorized Ratio

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility, Market Capitalization

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Amount of cost capitalized for award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of tax benefit from exercise of option under share-based payment arrangement.

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The amount of plan compensation cost recognized during the period.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Equity Compensation - Narrative (Details)	12 Months Ended
Equity Compensation - Narrative (Details)	Jan. 31, 2026 USD ($) period $ / shares shares	Jan. 31, 2025 USD ($) $ / shares shares	Jan. 31, 2024 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market capitalization \| $	$ 2,000,000,000.0
Tax benefit on stock based compensation expense \| $	121,000,000	$ 118,000,000	$ 117,000,000
Realized tax benefit related to awards vested or exercised \| $	$ 150,000,000	148,000,000	112,000,000
Number of exercise period \| period	4
Term of offering period	24 months
Cash dividends paid \| $	$ 0	0	0
Expected dividends	0.00%
Number of securities remaining available for future issuance under equity compensation plans (in shares) \| shares	27,000,000
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	3,000,000
Share based compensation expense, restricted stock units \| $	$ 596,000,000	$ 584,000,000	$ 580,000,000
Total compensation cost related to non-vested awards not yet recognized \| $	$ 737,000,000
Total compensation cost related to non-vested awards not yet recognized, weighted average period of recognition	1 year 9 months 18 days
Number of awards granted but unreleased (in shares) \| shares	4,000,000
Restricted Stock Units (RSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Restricted Stock Units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Restricted Stock Units (RSUs) and Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share) \| $ / shares	$ 265.58	$ 245.32	$ 200.53
Fair value of units vested in period \| $	$ 871,000,000	$ 785,000,000	$ 580,000,000
Granted (in shares) \| shares	2,860,000
Number of awards granted but unreleased (in shares) \| shares	4,477,000	5,188,000
Performance Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Granted (in shares) \| shares	332,000
Share based compensation expense, restricted stock units \| $	$ 77,000,000	$ 57,000,000	$ 42,000,000
Total compensation cost related to non-vested awards not yet recognized \| $	$ 24,000,000
Total compensation cost related to non-vested awards not yet recognized, weighted average period of recognition	1 year 1 month 20 days
Number of awards granted but unreleased (in shares) \| shares	567,000
Expected dividends	0.00%	0.00%	0.00%
Performance Stock Unit \| Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting percentage (in percentage)	33.33%
Performance Stock Unit \| Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting percentage (in percentage)	33.33%
Performance Stock Unit \| Share-Based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards vesting percentage (in percentage)	33.33%
Equity Incentive Plan 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock reserved for issuance (in shares) \| shares	44,000,000
Shares granted counted against shares authorized ratio (in shares) \| shares	2.08
Shares available for grant (in shares) \| shares	24,000,000
Equity Incentive Plan 2022 \| Restricted Stock Units And Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period, net of forfeitures (in shares) \| shares	22,000,000
Equity Incentive Plan 2022 \| Restricted Stock Units (RSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Equity Incentive Plan 2022 \| Restricted Stock Units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Employee Qualified Stock Purchase Plan 1998 ESP Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense \| $	$ 54,000,000
Compensation expense, differences \| $	$ 0	$ 0	$ 0
Term of exercise period	6 months
Employee Qualified Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of exercise period \| period	4
Term of exercise period	6 months
Term of offering period	24 months
Percentage of compensation that eligible employees can use to purchase common stock, maximum	15.00%
Percentage of fair market value eligible employees can purchase common stock, minimum	85.00%
Number of securities remaining available for future issuance under equity compensation plans (in shares) \| shares	3,000,000
Employee service share based compensation recognized compensation costs on nonvested restricted shares \| $	$ 115,000,000	$ 41,000,000	$ 63,000,000