Equity - Summary of Status of Non-Vested RSUs (Details) - $ / shares	1 Months Ended	11 Months Ended	12 Months Ended
Feb. 05, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2020
Equity-classified TVRSU
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested Liability-Classified Award, beginning balance (in shares)			1,539,550	1,669,762
Awarded (in shares)		1,735,843	384,480	988,750
Vested (in shares)			(719,871)	(1,050,086)
Forfeited (in shares)			(19,281)	(68,876)
Non-vested Liability-Classified Award (in shares)		1,669,762	1,184,878	1,539,550
Weighted Average Award-Date Fair Value
Non-vested Liability-Classified Award, beginning balance (usd per share)			$ 20.51	$ 16.69
Awarded (usd per share)			39.54	27.85
Vested (usd per share)			20.26	21.35
Forfeited (usd per share)			30.93	20.39
Non-vested Liability-Classified Award, ending balance (usd per share)		$ 16.69	$ 26.64	$ 20.51
PVRSU
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested Liability-Classified Award, beginning balance (in shares)	3,163,113	0	1,753,214	1,457,842
Awarded (in shares)	0	1,457,842	223,635	295,372
Vested (in shares)	0		(1,461,236)	0
Forfeited (in shares)	(3,163,113)		0	0
Non-vested Liability-Classified Award (in shares)	0	1,457,842	515,613	1,753,214	3,163,113
Weighted Average Award-Date Fair Value
Non-vested Liability-Classified Award, beginning balance (usd per share)	$ 3.22	$ 0	$ 23.34	$ 20.82
Awarded (usd per share)	0	20.82	59.01	35.77
Vested (usd per share)	0		20.91	0
Forfeited (usd per share)	3.22		0	0
Non-vested Liability-Classified Award, ending balance (usd per share)	$ 0	$ 20.82	$ 45.70	$ 23.34	$ 3.22
Minimum number of performance vested units (in shares)			0	36,929	0
Maximum level of performance, percent			200.00%	179.00%	200.00%
TVRSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested Liability-Classified Award, beginning balance (in shares)	2,362,500	0
Awarded (in shares)	0			477,785
Vested (in shares)	(61,050)			(336,993)
Forfeited (in shares)	(2,301,450)
Non-vested Liability-Classified Award (in shares)	0				2,362,500
Weighted Average Award-Date Fair Value
Non-vested Liability-Classified Award, beginning balance (usd per share)	$ 3.43	$ 0
Awarded (usd per share)	0			$ 29.84
Vested (usd per share)	5.46			$ 29.84
Forfeited (usd per share)	3.37
Non-vested Liability-Classified Award, ending balance (usd per share)	$ 0				$ 3.43

Minimum number of performance-vested shares.

No definition available.

Name:	ne_MinimumNumberOfPerformanceVestedShares
Namespace Prefix:	ne_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Maximum Level Of Performance For Vesting

+ References

No definition available.

+ Details

Name:	ne_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumLevelOfPerformanceForVesting
Namespace Prefix:	ne_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=ne_EquityClassifiedTimeVestedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=ne_PerformanceVestedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=ne_TimeVestedRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: