The carrying amount of debt component of convertible debt which may be settled in cash upon conversion

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Represents the denomination of the principal amount of debt that is used in conversion calculations.

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Represents the redemption price of the debt instrument as a percentage of the principal amount and accrued and unpaid interest.

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The exchange price per common share.

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Percentage of premium over the share price as of the date of the transaction.

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Represents the amount of prepayment of loan.

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The ratio of assets divided by indebtness.

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Represents the maturity period of unsecured debt.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Face (par) amount of the original debt instrument that was repurchased.

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Weighted average interest rate of debt outstanding.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Indebtedness divided by net capital.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Price of a single share of a number of saleable stocks of a company.

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Debt (Details)			1 Months Ended	12 Months Ended
Debt (Details)	Oct. 11, 2018 USD ($)	Sep. 29, 2015 USD ($)	Jan. 31, 2017 USD ($) $ / shares	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Feb. 28, 2018	Jan. 31, 2018 USD ($)
Debt
Additional aggregate principal amount				$ 800,000,000	$ 411,200,000	$ 600,000,000
Repayment of long-term debt				878,278,000	381,814,000	493,612,000
Loss on debt repurchase				(5,268,000)	(16,013,000)	6,665,000
Deferred finance costs				$ 38,325,000	27,997,000
Payment of debt principal					162,500,000	162,500,000
Guarantor Subsidiaries
Debt
Redemption price of debt instrument (as a percent)				100.00%
Redemption price of principal amount of debt instrument including accrued and unpaid interest (as a percent)				101.00%
5.10% senior notes due September 2023
Debt
Senior Notes				$ 342,923,000	346,576,000
Interest rate on senior notes due (as a percent)				5.10%
9.25% senior notes due January 2019
Debt
Senior Notes					303,489,000
Interest rate on senior notes due (as a percent)				9.25%
6.15% senior notes due February 2018
Debt
Senior Notes					460,762,000
Interest rate on senior notes due (as a percent)				6.15%			6.15%
5.00% senior notes due September 2020
Debt
Senior Notes				$ 614,748,000	669,846,000
Interest rate on senior notes due (as a percent)				5.00%
4.625% senior notes due September 2021
Debt
Senior Notes				$ 668,347,000	695,108,000
Interest rate on senior notes due (as a percent)				4.625%
5.50% senior notes due January 2023
Debt
Senior Notes				$ 586,000,000	600,000,000
Interest rate on senior notes due (as a percent)				5.50%
5.75% senior notes due February 2025
Debt
Senior Notes				$ 791,502,000
Aggregate amount of senior notes				$ 800,000,000				$ 800,000,000
Interest rate on senior notes due (as a percent)				5.75%				5.75%
0.75% senior exchangeable notes due January 2024
Debt
Senior Notes				$ 450,689,000	429,982,000
Aggregate amount of senior notes			$ 575,000,000	$ 575,000,000
Interest rate on senior notes due (as a percent)			0.75%	0.75%
Debt exchangeable notes			$ 411,200,000
Equity component			163,800,000
Deferred finance costs			9,600,000
Equity issuance costs			$ 3,900,000
Exchange rate of common shares			39.75
Principal amount of notes			$ 1,000
Exchange price per common share (in dollars per share) \| $ / shares			$ 25.16
Premium over share price (as a percent)				75.00%
Share price of shares purchased (in dollars per share) \| $ / shares			$ 17.97
Mandatory debt prepayment			$ 162,500,000
0.75% senior exchangeable notes due January 2024 \| Minimum
Debt
Exchange price per common share (in dollars per share) \| $ / shares			$ 31.45
2018 Revolving Credit Facility
Debt
Interest rate on senior notes due (as a percent)	5.50%
Revolving credit facility				$ 0
Maximum borrowing capacity	$ 1,267,000,000
Unsecured debt maturity period	5 years
2018 Revolving Credit Facility \| Maximum
Debt
Debt to capital ratio	0.60
2018 Revolving Credit Facility \| Minimum
Debt
Assets to debt ratio	2.50
2018 Revolving Credit Facility \| Guarantor Subsidiaries
Debt
Maximum borrowing capacity	$ 1,227,000,000
2018 Revolving Credit Facility \| Nabors Canada
Debt
Maximum borrowing capacity	40,000,000
2012 Revolving Credit Facility
Debt
Revolving credit facility				$ 170,000,000	510,000,000
Maximum borrowing capacity	$ 666,250,000
Weighted average interest rate (as a percent)				3.58%
2012 Revolving Credit Facility \| Maximum
Debt
Debt to capital ratio	0.60
Five-year term loan facility
Debt
Maximum borrowing capacity		$ 325,000,000
Unsecured debt maturity period		5 years
Mandatory debt prepayment		$ 162,500,000
Commercial paper
Debt
Interest rate on senior notes due (as a percent)							5.75%
Senior Notes.
Debt
Principal amount redeemed				$ 873,000,000	367,900,000	152,700,000
Repayment of long-term debt				$ 906,500,000	381,700,000	$ 157,500,000
Loss on debt repurchase					$ (16,000,000)