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Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019
Revenue from External Customer [Line Items] |  |
Net revenue: | $ 1,323 | $ 1,165
Small Business & Self-Employed |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 1,181 | 1,046
Consumer |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 119 | 100
ProConnect |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 23 | 19
Online Ecosystem Subsegment | Small Business & Self-Employed |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 621 | 501
Online Ecosystem Subsegment | Small Business & Self-Employed | QuickBooks |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 392 | 306
Online Ecosystem Subsegment | Small Business & Self-Employed | Online Services |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 229 | 195
Desktop Ecosystem Subsegment | Small Business & Self-Employed |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 560 | 545
Desktop Ecosystem Subsegment | Small Business & Self-Employed | QuickBooks |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 241 | 239
Desktop Ecosystem Subsegment | Small Business & Self-Employed | Desktop Services and Supplies |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | 319 | 306
Desktop Ecosystem Subsegment | Small Business & Self-Employed | QuickBooks Packaged Software |  |
Revenue from External Customer [Line Items] |  |
Net revenue: | $ 20 | $ 27

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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