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Revenue Recognition - Capitalized Sales Commissions and Conversion or Implementation Costs (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Sales Commissions |  |
Capitalized Contract Cost [Line Items] |  |
Capitalized contract costs | $ 402 | $ 357
Conversion or Implementation Costs |  |
Capitalized Contract Cost [Line Items] |  |
Capitalized contract costs | $ 290 | $ 176

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- Definition Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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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. + References No definition available. + Details
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- Details
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- Details
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