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Non-controlling interest (Tables) | 12 Months Ended
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Dec. 31, 2020
Noncontrolling Interest [Abstract] |
Schedule of changes in non-controlling interest | Changes in non-controlling interests for the periods presented in this report were as follows:
(In $ millions) | North Atlantic Drilling Ltd |  | Sevan Drilling Limited |  | Asia Offshore Drilling Ltd |  | Ship Finance SPV's |  | Seadrill Nigeria Operations Limited |  | Total
January 1, 2019 | — |  |  | — |  |  | — |  |  | 145 |  |  | 7 |  |  | 152 |
Net (loss)/income attributable to non-controlling interest in 2019 | — |  |  | — |  |  | — |  |  | (5) |  |  | 4 |  |  | (1) |
December 31, 2019 | — |  |  | — |  |  | — |  |  | 140 |  |  | 11 |  |  | 151 |
Net loss attributable to non-controlling interest in 2020 | — |  |  | — |  |  | — |  |  | (3) |  |  | — |  |  | (3) |
Share buyback of Heirs Holding shares in Seadrill Nigeria Operations | — |  |  | — |  |  | — |  |  | — |  |  | (11) |  |  | (11) |
Deconsolidation of Ship Finance SPV's | — |  |  | — |  |  | — |  |  | (137) |  |  | — |  |  | (137) |
December 31, 2020 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |

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- Definition The tabular disclosure of noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock. + References No definition available. + Details
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- References No definition available. + Details
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