XML 62 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Significant Accounting and Reporting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule of Regulatory Assets and Liabilities | NEE's and FPL's regulatory assets and liabilities are as follows:
| NEE |  | FPL
| December 31, |  | December 31,
| 2017 |  | 2016 |  | 2017 |  | 2016
| (millions)
Regulatory assets: |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |
Storm reserve deficiency | $ | — |  |  | $ | 203 |  |  | $ | — |  |  | $ | 203 |
Other | 336 |  |  | 321 |  |  | 335 |  |  | 321 |
Total | $ | 336 |  |  | $ | 524 |  |  | $ | 335 |  |  | $ | 524 |
Noncurrent: |  |  |  |  |  |  |  |  |  |  |
Acquisition of purchased power agreements | $ | 963 |  |  | $ | 636 |  |  | $ | 963 |  |  | $ | 636 |
Other | 1,506 |  |  | 1,258 |  |  | 1,286 |  |  | 937 |
Total | $ | 2,469 |  |  | $ | 1,894 |  |  | $ | 2,249 |  |  | $ | 1,573 |
Regulatory liabilities: |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |
Derivatives | $ | — |  |  | $ | 208 |  |  | $ | — |  |  | $ | 208 |
Deferred clause revenues | 296 |  |  | 86 |  |  | 296 |  |  | 86 |
Other | 50 |  |  | 5 |  |  | 37 |  |  | — |
Total | $ | 346 |  |  | $ | 299 |  |  | $ | 333 |  |  | $ | 294 |
Noncurrent: |  |  |  |  |  |  |  |  |  |  |
Accrued asset removal costs | $ | 601 |  |  | $ | 1,956 |  |  | $ | 585 |  |  | $ | 1,944 |
Asset retirement obligation regulatory expense difference | 2,569 |  |  | 2,294 |  |  | 2,569 |  |  | 2,294 |
Deferred taxes | 4,981 |  |  | 96 |  |  | 4,903 |  |  | 96 |
Other | 614 |  |  | 560 |  |  | 585 |  |  | 559 |
Total | $ | 8,765 |  |  | $ | 4,906 |  |  | $ | 8,642 |  |  | $ | 4,893 |
Schedule of Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets - NEE's goodwill and other intangible assets are as follows:
| Weighted- Average Useful Lives |  | December 31,
|  | 2017 |  | 2016
| (years) |  | (millions)
Goodwill (by reporting unit): |  |  |  |  |
NEER segment: |  |  |  |  |
Gas infrastructure, primarily Texas pipelines |  |  | $ | 641 |  |  | $ | 641 |
Customer supply |  |  | 72 |  |  | 72 |
Generation assets |  |  | 40 |  |  | 38 |
Other |  |  | 11 |  |  | 28 |
Total goodwill |  |  | $ | 764 |  |  | $ | 779 |
Other intangible assets not subject to amortization, primarily land easements |  |  | $ | 138 |  |  | $ | 143 |
Other intangible assets subject to amortization: |  |  |  |  |
Customer relationships associated with gas infrastructure | 41 |  | $ | 700 |  |  | $ | 700 |
Purchased power agreements | 22 |  | 521 |  |  | 444 |
Other, primarily transmission and development rights and customer lists | 23 |  | 79 |  |  | 81 |
Total |  |  | 1,300 |  |  | 1,225 |
Accumulated amortization |  |  | (151 | ) |  | (115 | )
Total other intangible assets subject to amortization - net |  |  | $ | 1,149 |  |  | $ | 1,110 |

X
- Definition [Table Text Block] for Tabular disclosure of assets and liabilities that are created when regulatory agencies permit public utilities to defer certain costs and revenues included in rate-setting to the balance sheet + References No definition available. + Details
Name: | nee_ScheduleofRegulatoryAssetsandLiabilitiesTableTextBlock
Namespace Prefix: | nee_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration