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Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Jun. 30, 2018
Revenue from Contract with Customer [Abstract] |
Schedule of Information about Receivables, Contract Assets and Contract Liabilities from Contracts with Customers | The following table provides information about receivables, contract assets and contract liabilities from our contracts with customers:
(In $ millions) |  | June 30, 2018 |  |  | January 1, 2018 |
Accounts receivable, net |  |  | 272 |  |  |  | 295 |
Current contract assets (1) |  |  | 9 |  |  |  | 7 |
Current contract liabilities (deferred revenue) (1) |  |  | (25 | ) |  |  | (37 | )
Non-current contract liabilities (deferred revenue) (1) |  |  | (7 | ) |  |  | (18 | )
(1) | Current contract asset and liability balances are included in “other current assets” and “other current liabilities,” respectively in our unaudited Consolidated Balance Sheet as of June 30, 2018.
Significant changes in the contract assets and the contract liabilities balances during the period are as follows:
(In $ millions) |  | Net Contract Balances |
Contract assets at January 1, 2018 |  |  | 7 |
Contract liabilities at January 1, 2018 |  |  | (55 | )
Net contract liability at January 1, 2018 |  |  | (48 | )
Decrease due to amortization of revenue that was included in the beginning contract liability balance |  |  | 25 |
Increase due to cash received, excluding amounts recognized as revenue |  |  | (9 | )
Decrease due to recognized during the period but contingent on future performance |  |  | 9 |
Net contract liability at June 30, 2018 |  |  | (23 | )
Contract assets at June 30, 2018 |  |  | 9 |
Contract liabilities at June 30, 2018 |  |  | (32 | )
Summary of Revenue Expected to be Recognized in Future Related to Performance Unsatisfied Obligations | The following table reflects revenue expected to be recognized in the future related to unsatisfied performance obligations as of June 30, 2018:
|  | For the Years Ending December 31, |
(In $ millions) |  | 2018(1) |  |  | 2019 |  |  | Total |
Deferred mobilization revenue |  |  | (11 | ) |  |  | (18 | ) |  |  | (29 | )
Other deferred revenue |  |  | (2 | ) |  |  | (1 | ) |  |  | (3 | )
Total |  |  | (13 | ) |  |  | (19 | ) |  |  | (32 | )
(1) | Represents the six-month period beginning July 1, 2018.

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130556-203045 + Details
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