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Summary of Significant Accounting and Reporting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Schedule of Regulatory Assets | NEE's and FPL's regulatory assets and liabilities are as follows:
| NEE |  | FPL
| December 31, |  | December 31,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (millions)
Regulatory assets: |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |
Acquisition of purchased power agreements | $ | 165 |  |  | $ | 165 |  |  | $ | 165 |  |  | $ | 165 |
Deferred clause and franchise expenses | 5 |  |  | 146 |  |  | 5 |  |  | 146 |
Other | 165 |  |  | 137 |  |  | 57 |  |  | 136 |
Total | $ | 335 |  |  | $ | 448 |  |  | $ | 227 |  |  | $ | 447 |
Noncurrent: |  |  |  |  |  |  |  |  |  |  |
Acquisition of purchased power agreements | $ | 634 |  |  | $ | 798 |  |  | $ | 634 |  |  | $ | 798 |
Other | 2,653 |  |  | 2,492 |  |  | 1,915 |  |  | 2,045 |
Total | $ | 3,287 |  |  | $ | 3,290 |  |  | $ | 2,549 |  |  | $ | 2,843 |
Regulatory liabilities: |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |
Deferred clause revenues | $ | 309 |  |  | $ | 265 |  |  | $ | 284 |  |  | $ | 265 |
Other | 11 |  |  | 60 |  |  | — |  |  | 45 |
Total | $ | 320 |  |  | $ | 325 |  |  | $ | 284 |  |  | $ | 310 |
Noncurrent: |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligation regulatory expense difference | $ | 2,826 |  |  | $ | 2,352 |  |  | $ | 2,828 |  |  | $ | 2,352 |
Accrued asset removal costs | 1,346 |  |  | 991 |  |  | 1,157 |  |  | 972 |
Deferred taxes | 4,862 |  |  | 4,815 |  |  | 4,397 |  |  | 4,736 |
Other | 902 |  |  | 851 |  |  | 914 |  |  | 826 |
Total | $ | 9,936 |  |  | $ | 9,009 |  |  | $ | 9,296 |  |  | $ | 8,886 |
Schedule of Regulatory Liabilities | NEE's and FPL's regulatory assets and liabilities are as follows:
| NEE |  | FPL
| December 31, |  | December 31,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (millions)
Regulatory assets: |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |
Acquisition of purchased power agreements | $ | 165 |  |  | $ | 165 |  |  | $ | 165 |  |  | $ | 165 |
Deferred clause and franchise expenses | 5 |  |  | 146 |  |  | 5 |  |  | 146 |
Other | 165 |  |  | 137 |  |  | 57 |  |  | 136 |
Total | $ | 335 |  |  | $ | 448 |  |  | $ | 227 |  |  | $ | 447 |
Noncurrent: |  |  |  |  |  |  |  |  |  |  |
Acquisition of purchased power agreements | $ | 634 |  |  | $ | 798 |  |  | $ | 634 |  |  | $ | 798 |
Other | 2,653 |  |  | 2,492 |  |  | 1,915 |  |  | 2,045 |
Total | $ | 3,287 |  |  | $ | 3,290 |  |  | $ | 2,549 |  |  | $ | 2,843 |
Regulatory liabilities: |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |
Deferred clause revenues | $ | 309 |  |  | $ | 265 |  |  | $ | 284 |  |  | $ | 265 |
Other | 11 |  |  | 60 |  |  | — |  |  | 45 |
Total | $ | 320 |  |  | $ | 325 |  |  | $ | 284 |  |  | $ | 310 |
Noncurrent: |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligation regulatory expense difference | $ | 2,826 |  |  | $ | 2,352 |  |  | $ | 2,828 |  |  | $ | 2,352 |
Accrued asset removal costs | 1,346 |  |  | 991 |  |  | 1,157 |  |  | 972 |
Deferred taxes | 4,862 |  |  | 4,815 |  |  | 4,397 |  |  | 4,736 |
Other | 902 |  |  | 851 |  |  | 914 |  |  | 826 |
Total | $ | 9,936 |  |  | $ | 9,009 |  |  | $ | 9,296 |  |  | $ | 8,886 |
Schedule of Goodwill and Other Intangible Assets | NEE's goodwill and other intangible assets are as follows:
| Weighted- Average Useful Lives |  | December 31,
|  | 2019 |  | 2018
| (years) |  | (millions)
Goodwill (by reporting unit): |  |  |  |  |
FPL segment: |  |  |  |  |  |
Florida City Gas |  |  | $ | 291 |  |  | $ | 293 |
Other |  |  | 9 |  |  | 11 |
NEER segment: |  |  |  |  |
Rate-regulated transmission (see Note 8 - Trans Bay Cable, LLC) |  |  | 610 |  |  | — |
Gas infrastructure |  |  | 487 |  |  | 487 |
Customer supply |  |  | 93 |  |  | 72 |
Generation assets |  |  | 28 |  |  | 28 |
Corporate and Other - Gulf Power (see Note 8 - Gulf Power Company) |  |  | 2,686 |  |  | — |
Total goodwill |  |  | $ | 4,204 |  |  | $ | 891 |
Other intangible assets not subject to amortization, primarily land easements |  |  | $ | 135 |  |  | $ | 135 |
Other intangible assets subject to amortization: |  |  |  |  |
Purchased power agreements | 17 |  | $ | 401 |  |  | $ | 625 |
Other, primarily transmission and development rights and customer lists | 22 |  | 72 |  |  | 34 |
Total |  |  | 473 |  |  | 659 |
Accumulated amortization |  |  | (56 | ) |  | (86 | )
Total other intangible assets subject to amortization - net |  |  | $ | 417 |  |  | $ | 573 |

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