Capitalized Contract Cost, Renewals And Success Fees, Amortization Term

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Increase (Decrease) In Capitalized Contract Costs

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Share-based Compensation Arrangement by Share-based Payment Award, Award Offering Period

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No definition available.

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Share-based Compensation Arrangement by Share-based Payment Award, Purchase Period

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Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
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-Section 50
-Paragraph 3
-Subparagraph (b)
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- Definition

Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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- Definition

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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No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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Summary of Business and Significant Accounting Policies - Narrative (Details)			3 Months Ended		9 Months Ended
	Oct. 31, 2020 USD ($)	Jan. 31, 2020 USD ($)	Oct. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Oct. 31, 2020 USD ($) segment	Oct. 31, 2019 USD ($)
Accounting Policies [Abstract]
Number of operating segments \| segment					1
Concentration Risk [Line Items]
Capitalized contract cost, amortization term (in years)	4 years		4 years		4 years
Capitalized contract cost, renewals and success fees, amortization term (in years)					2 years
Costs capitalized to obtain revenue contracts, net			$ 493,000,000	$ 246,000,000	$ 973,000,000	$ 543,000,000
Amortization of costs capitalized to obtain revenue contracts, net			271,000,000	221,000,000	768,000,000	647,000,000
Costs capitalized to obtain revenue contracts, net	$ 2,500,000,000	$ 2,300,000,000	2,500,000,000		2,500,000,000
Impairments of costs to obtain revenue contracts			$ 0	$ 0	0	0
Impairments of capitalized software and long-lived assets					0	0
Impairment of intangible assets					0	0
Impairment of goodwill					$ 0	$ 0
Offering period					12 months
Discount for ESPP					15.00%
Purchase period					6 months
Stock options and restricted stock
Concentration Risk [Line Items]
Vesting period					4 years
Performance shares
Concentration Risk [Line Items]
Vesting period					3 years
Restricted Stock
Concentration Risk [Line Items]
Award requisite service period					4 years
Maximum \| Internal-use software
Concentration Risk [Line Items]
Property and equipment, estimated useful lives					5 years
Assets \| Geographic concentration risk \| Non-US
Concentration Risk [Line Items]
Concentration risk percentage	13.00%	12.00%
Assets \| Geographic concentration risk \| Untied States
Concentration Risk [Line Items]
Concentration risk percentage	85.00%	87.00%
Strategic investments \| Investment concentration risk \| One publicly traded investment A
Concentration Risk [Line Items]
Concentration risk percentage	35.00%
Strategic investments \| Investment concentration risk \| One publicly traded investment B
Concentration Risk [Line Items]
Concentration risk percentage	20.00%
Strategic investments \| Investment concentration risk \| One privately held investment
Concentration Risk [Line Items]
Concentration risk percentage	5.00%
Strategic investments \| Investment concentration risk \| Five investments
Concentration Risk [Line Items]
Concentration risk percentage		5.00%