Number of mobile offshore drilling units.

No definition available.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Drilling Fleet (Disposal) (Details) $ in Millions	3 Months Ended		6 Months Ended
Drilling Fleet (Disposal) (Details) $ in Millions	Jun. 30, 2020 USD ($) item	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) item	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Dispositions
Number of mobile offshore drilling units \| item	39		39
Net cash proceeds from sale of assets			$ 3	$ 40
Gain (loss) on the sale of assets	$ 1	$ (10)		(3)
Assets held for sale, included in other current assets	$ 14		14		$ 0
Assets sold, not discontinued operations \| Rig sales
Dispositions
Net cash proceeds from sale of assets			2	37
Assets sold, not discontinued operations \| Other property and equipment
Dispositions
Net cash proceeds from sale of assets			$ 1	3
Gain (loss) on the sale of assets				$ (3)