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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax liabilities: |  |
Property-related | $ 10,065 | $ 10,133
Pension | 437 | 417
Investments in partnerships and joint ventures | 2,238 | 2,019
Other | 1,730 | 1,618
Total deferred tax liabilities | 14,470 | 14,187
Deferred tax assets and valuation allowance: |  |
Decommissioning reserves | 290 | 317
Net operating loss carryforwards | 299 | 380
Tax credit carryforwards | 3,859 | 3,406
ARO and accrued asset removal costs | 347 | 368
Regulatory liabilities | 1,380 | 1,335
Other | 755 | 515
Valuation allowance | (289) | (285)
Net deferred tax assets | 6,641 | 6,036
Net deferred income taxes | 7,829 | 8,151
Deferred tax assets and liabilities included in the consolidated balance sheets [Abstract] |  |
Noncurrent other assets | 191 | 210
Deferred income taxes - noncurrent liabilities | (8,020) | (8,361)
Net deferred income taxes | (7,829) | (8,151)
FPL[Member] |  |
Deferred tax liabilities: |  |
Property-related | 6,791 | 6,394
Pension | 394 | 374
Investments in partnerships and joint ventures | 3 | 0
Other | 672 | 685
Total deferred tax liabilities | 7,860 | 7,453
Deferred tax assets and valuation allowance: |  |
Decommissioning reserves | 290 | 286
Net operating loss carryforwards | 2 | 2
Tax credit carryforwards | 0 | 0
ARO and accrued asset removal costs | 226 | 273
Regulatory liabilities | 1,259 | 1,219
Other | 293 | 258
Valuation allowance | 0 | 0
Net deferred tax assets | 2,070 | 2,038
Net deferred income taxes | 5,790 | 5,415
Deferred tax assets and liabilities included in the consolidated balance sheets [Abstract] |  |
Noncurrent other assets | 0 | 0
Deferred income taxes - noncurrent liabilities | (5,790) | (5,415)
Net deferred income taxes | $ (5,790) | $ (5,415)

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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from estimated decommissioning reserves, which can only be deducted for tax purposes when expenses are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences NextEra Energy Resources’ investments in partnerships and joint ventures + References No definition available. + Details
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