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v3.21.1

Nature of Operations and Summary of Significant Accounting Policies - Schedule of Bad Debt Reserve (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
Balance at December 31, 2020 | $ 21
Bad debt expense | 1
Write-offs | (1)
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) | 20
Foreign exchange | (1)
Balance at March 31, 2021 | 40
Measurement period adjustments |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |
Balance at December 31, 2020 | $ 21

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- Definition Amount of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 + Details
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