Business Acquisition, Equity Interest Issued or Issuable, Value Assigned, Per Share

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- Definition

Business Acquisitions, Equity Interest Issued or Issuable, Issuance Costs

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- Definition

Business Combination, Consideration Transferred, Working Capital Adjustment

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- Definition

Business Combination, Excess Of Purchase Price Over Book Value Of Net Assets Acquired, Recorded As Reduction To Equity

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- Definition

Noncontrolling Interest, Increase from Parent Contributions

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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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.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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West Sirius and West Leo Acquisition (Details) - USD ($)		12 Months Ended
	Dec. 13, 2013	Dec. 31, 2015	Dec. 31, 2013	Jun. 19, 2015	Nov. 04, 2014	Mar. 21, 2014	Dec. 09, 2013
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by parent		50.00%
Consideration transferred		$ 2,695,000,000
Contingent consideration		898,800,000
Plus: Working capital adjustment		2,200,000
Excess of sales price over net assets acquired		$ 1,306,600,000
Equity contribution from Seadrill to Seadrill Operating LP			$ 511,100,000
West Sirius
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	49.00%
West Leo
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	70.00%
West Sirius and West Leo
Business Acquisition [Line Items]
Business acquisition, equity interest issued, value assigned							$ 480,100,000
Common units issued as consideration (in shares)	12,880,000
Business acquisition, equity interest issued or issuable, share price							$ 29.50
Business acquisitions, equity interest issued, issuance costs							$ 15,300,000
Seadrill Capricorn Holdings LLC
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by parent	51.00%				51.00%	51.00%
Noncontrolling interest, ownership percentage by noncontrolling owners					49.00%	49.00%
Seadrill Capricorn Holdings LLC \| West Sirius
Business Acquisition [Line Items]
Consideration transferred	$ 1,035,000,000
Contingent consideration	220,200,000
Plus: Working capital adjustment	(106,700,000)
Excess of sales price over net assets acquired	$ 546,900,000
Seadrill Operating LP
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by parent				58.00%
Equity method investment, ownership percentage	30.00%
Equity contribution from Seadrill to Seadrill Operating LP	$ 511,100,000
Seadrill Operating LP \| West Leo
Business Acquisition [Line Items]
Consideration transferred	1,250,000,000
Contingent consideration	485,000,000
Plus: Working capital adjustment	35,000,000
Excess of sales price over net assets acquired	612,700,000
Line of Credit \| Credit facility $1,500 \| Seadrill
Business Acquisition [Line Items]
Debt face amount	1,500,000,000
$1,121 facility
Business Acquisition [Line Items]
Debt face amount	1,121,000,000
Seadrill \| Notes Payable, Other Payables \| $229.9 discount note
Business Acquisition [Line Items]
Debt face amount	229,900,000
Seadrill \| Notes Payable, Other Payables \| $229.9 discount note \| Seadrill Capricorn Holdings LLC
Business Acquisition [Line Items]
Debt face amount	229,900,000.0
Seadrill \| Notes Payable, Other Payables \| $70.0 discount note
Business Acquisition [Line Items]
Debt face amount	70,000,000.0
Non- controlling Interest
Business Acquisition [Line Items]
Equity contribution from Seadrill to Seadrill Operating LP			$ 511,100,000
Non- controlling Interest \| Majority-Owned Subsidiary, Unconsolidated \| West Sirius
Business Acquisition [Line Items]
Business acquisition, equity interest issued, value assigned	$ 338,800,000
Stock Issued to Underwriters \| West Sirius and West Leo
Business Acquisition [Line Items]
Common units issued as consideration (in shares)	1,680,000
Stock Issued to Seadrill Limited \| West Sirius and West Leo
Business Acquisition [Line Items]
Common units issued as consideration (in shares)	3,394,916