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Revenue - Change in Contract Liabilities (Details) - USD ($) $ in Millions | 6 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Change In Contract With Customer, Liability [Roll Forward] |  |
Balance, beginning of period | $ 1,701 | $ 1,756
Deferred revenue | 1,398 | 1,355
Recognition of deferred revenue | (1,334) | (1,432)
Currency translation adjustment | (21) | 80
Other | (36) | (88)
Balance, end of period | $ 1,708 | $ 1,671

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- Definition Change In Contract With Customer, Liability [Roll Forward] + References No definition available. + Details
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- Definition Contract With Customer, Liability, Currency Translation Adjustment + References No definition available. + Details
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- Definition Contract With Customer, Liability, Increase From Cash Receipts + References No definition available. + Details
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- Definition Contract With Customer, Liability, Other + References No definition available. + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
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