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Other revenues (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Other revenues | Other revenues consist of the following:
(In $ millions) |  |  |  |  |  | Six months ended June 30, 2021 |  | Six months ended June 30, 2020
Leasing revenues |  |  |  |  |  | 12 |  |  | 9 |
Total other revenues |  |  |  |  |  | 12 |  |  | 9 |

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- Definition Tabular disclosure of other revenues. + References No definition available. + Details
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Namespace Prefix: | sdrl_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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