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CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Total property, plant and equipment - net | $ 78,995 | $ 70,334
Customer receivables, allowances | 15 | 10
Regulatory assets, current | 523 | 448
Long-term debt | 36,144 | 26,782
Current portion of long-term debt | $ 2,888 | $ 2,716
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 800,000,000 | 800,000,000
Common stock, shares, outstanding (in shares) | 489,000,000 | 478,000,000
Related to VIEs [Member] |  |
Total property, plant and equipment - net | $ 10,084 | $ 10,553
Regulatory assets, current | 0 | 41
Noncontrolling interest in variable interest entity | 3,577 | 3,265
Long-term debt | 902 | 1,020
Current portion of long-term debt | 31 | 74
FPL [Member] |  |
Customer receivables, allowances | 5 | 3
Regulatory assets, current | 426 | 447
Long-term debt | 14,144 | 11,688
Current portion of long-term debt | $ 27 | $ 95
Common stock, no par value (in dollars per share) | $ 0 | $ 0
Common stock, shares authorized (in shares) | 1,000 | 1,000
Common stock, shares, outstanding (in shares) | 1,000 | 1,000
Common stock, shares, issued (in shares) | 1,000 | 1,000
FPL [Member] | Related to VIEs [Member] |  |
Regulatory assets, current | $ 0 | $ 41
Current portion of long-term debt | $ 0 | $ 74

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