Marketable securities

6 Months Ended

Jun. 30, 2019

Marketable Securities [Abstract]

Marketable securities

Marketable securities

We hold investments in certain marketable securities which we record at fair value and recognize any changes directly in net income. The below table shows the carrying value of our investments in marketable securities for periods presented in this report.

	Successor	Successor
(In $ millions)	As at June 30, 2019	As at December 31, 2018
Seadrill Partners - Common units	9	45
Archer	13	12
Total marketable securities	22	57

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

	Successor		Predecessor	Successor		Predecessor
(In $ millions)	Three months ended June 30, 2019		Three Months Ended June 30, 2018	Six months ended June 30, 2019		Six months ended June 30, 2018
Seadrill Partners - Common units	(13	)	19	(36	)	(5	)
Archer	(1	)	6	1		2
Total (loss)/gain on marketable securities	(14	)	25	(35	)	(3	)