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Contract Liabilities and Remaining Performance Obligations | 6 Months Ended
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Jun. 30, 2018
Revenue from Contract with Customer [Abstract] |
Contract Liabilities and Remaining Performance Obligations | Contract Liabilities and Remaining Performance Obligations The Company's contract liabilities consist of payments received from customers, or such consideration that is contractually due, in advance of providing the product or performing services. The Company's contract liabilities are reported in a net position on a contract-by-contract basis at the end of each reporting period. As of June 30, 2018 and December 31, 2017, the contract liability balance was $170 million and $159 million, respectively. During the six months ended June 30, 2018 and 2017, the Company recognized revenue of $116 million and $99 million, respectively, related to its contract liabilities. A contract's transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. For more information regarding the Company's performance obligations, see Note 1 (Description of Business and Summary of Significant Accounting Policies). The following table represents the total transaction price for the remaining performance obligations as of June 30, 2018 related to non-cancelable contracts longer than 12 months in duration that is expected to be recognized over future periods.
(in millions) |  | Within 1 Year |  | Years 1-2 |  | Years 2-3 |  | Thereafter
Remaining performance obligations |  | $ | 33.6 |  |  | $ | 20.8 |  |  | $ | 6.2 |  |  | $ | 0.9 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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