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Accumulated other comprehensive income/(loss) (Tables) | 12 Months Ended
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Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of accumulated other comprehensive income/(loss) | Changes in accumulated other comprehensive income/(loss) for the periods presented in this report were as follows:
(In $ millions) |  | Actuarial gain/(loss) relating to pension |  | Share in unrealized losses from associated companies |  |  |  | Change in debt component on Archer facility |  | Total
January 1, 2019 |  | 1 |  |  | (5) |  |  |  |  | (3) |  |  | (7) |
Other comprehensive (loss)/income |  | (1) |  |  | (8) |  |  |  |  | 3 |  |  | (6) |
December 31, 2019 |  | — |  |  | (13) |  |  |  |  | — |  |  | (13) |
Other comprehensive (loss)/income |  | (2) |  |  | (15) |  |  |  |  | 4 |  |  | (13) |
December 31, 2020 |  | (2) |  |  | (28) |  |  |  |  | 4 |  |  | (26) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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