Amount of debt outstanding under financing agreements related to Spain solar projects

No definition available.

Name:	nee_AmountOfDebtOutstandingUnderFinancingAgreementsRelatedToSpainSolarProjects
Namespace Prefix:	nee_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of noncurrent derivative liability classified as current derivative liability due to event of default.

+ References

No definition available.

+ Details

Name:	nee_Amountofnoncurrentderivativeliabilityclassifiedascurrentderivativeliabilityduetoeventofdefault.
Namespace Prefix:	nee_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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

- Definition

The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-Subparagraph c

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3098-108585

+ Details

Name:	us-gaap_ProceedsFromRepaymentsOfLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Commitments and Contingencies (Spain Solar Projects) (Details) In Millions, unless otherwise specified		12 Months Ended
	Dec. 31, 2013 Spain Solar Projects, Project Level Financing Agreements [Member] NEER [Member] USD ($)	Dec. 31, 2013 Spain Solar Projects, Project Level Financing Agreements [Member] NEECH [Member] USD ($)	Dec. 31, 2013 Spain Solar Projects, Project Level Financing Agreements [Member] NEECH [Member] EUR (€)	Dec. 31, 2013 Fund Operating and Debt Services Reserve [Member] NEECH [Member] USD ($)	Dec. 31, 2013 Fund Operating and Debt Services Reserve [Member] NEECH [Member] EUR (€)	Dec. 31, 2013 Performance Guarantee [Member] NEECH [Member] USD ($)	Dec. 31, 2013 Performance Guarantee [Member] NEECH [Member] EUR (€)
Loss Contingencies [Line Items]
Amount of debt outstanding under financing agreements related to Spain solar projects	$ 799
Amount of noncurrent derivative liability classified as current derivative liability due to event of default.	93
Letters of credit commitment				50	37	14	10
Proceeds from (Repayments of) Lines of Credit		$ (212)	€ (155)