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Marketable securities (Tables)

6 Months Ended

Jun. 30, 2021

Marketable Securities [Abstract]

Marketable securities held

The below table shows the carrying value of our investments in marketable securities for periods presented in this report.

(In $ millions)						As at June 30, 2021						As at December 31, 2020
Archer						13						8
Total marketable securities						13						8

Gains and losses related to marketable securities

The below table shows the gain and losses recognized through net loss for the periods presented in this report.

(In $ millions)																		Six months ended June 30, 2021						Six months ended June 30, 2020
Seadrill Partners - Common units - unrealized loss on marketable securities																		—						(2)
Archer - unrealized gain / (loss) on marketable securities																		5						(4)
Total unrealized gain / (loss) on marketable securities																		5						(6)

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- Definition

Tabular disclosure of changes of carrying value of marketable securities during the period.

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- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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