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Contract Balances (Tables) | 12 Months Ended
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Dec. 31, 2020
Revenue from Contract with Customer [Abstract] |
Contract Balances | Contract balances at December 31 are set forth in the following table:
Balance Sheet Account | 2020 |  | 2019 |  | Change
Unbilled receivables | $ | 241.7 |  |  | $ | 183.5 |  |  | $ | 58.2 |
Contract liabilities - current (1) | (1,012.0) |  |  | (840.8) |  |  | (171.2) |
Deferred revenue - non-current | (43.1) |  |  | (33.2) |  |  | (9.9) |
Net contract assets/(liabilities) | $ | (813.4) |  |  | $ | (690.5) |  |  | $ | (122.9) |
(1) Consists of “Deferred revenue,” and billings in-excess of revenues (“BIE”). BIE are reported in “Other accrued liabilities” in our Consolidated Balance Sheets.

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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