CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	$ 84,045	$ 80,150
Nuclear fuel	2,011	2,131
Construction work in progress	6,492	4,732
Accumulated depreciation and amortization	(21,460)	(20,101)
Total property, plant and equipment - net ($14,186 and $14,632 related to VIEs, respectively)	71,088	66,912
CURRENT ASSETS
Cash and cash equivalents	1,381	1,292
Customer receivables, net of allowances	2,147	1,784
Other receivables	603	655
Materials, supplies and fossil fuel inventory	1,352	1,289
Regulatory assets	551	524
Derivatives	442	885
Assets held for sale	0	452
Other	551	528
Total current assets	7,027	7,409
OTHER ASSETS
Special use funds	5,894	5,434
Other investments ($474 and $479 related to a VIE, respectively)	2,983	2,482
Prepaid benefit costs	1,217	1,177
Regulatory assets ($53 and $107 related to a VIE, respectively)	3,290	1,894
Derivatives	1,546	1,350
Other	3,736	3,335
Total other assets	18,666	15,672
TOTAL ASSETS	96,781	89,993
CAPITALIZATION
Common stock	5	5
Additional paid-in capital	9,046	8,948
Retained earnings	17,299	15,458
Accumulated other comprehensive income (loss)	48	(70)
Total common shareholders' equity	26,398	24,341
Noncontrolling interests	923	990
Total equity	27,321	25,331
Long-term debt	30,345	27,818
Total capitalization	57,666	53,149
CURRENT LIABILITIES
Commercial paper	2,074	268
Other short-term debt	255	150
Current maturities of long-term debt	2,285	2,604
Accounts payable	2,256	3,447
Customer deposits	449	470
Accrued interest and taxes	873	480
Derivatives	257	404
Accrued construction-related expenditures	921	1,120
Regulatory liabilities	157	299
Liabilities associated with assets held for sale	0	451
Other	2,077	1,226
Total current liabilities	11,604	10,919
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	2,882	2,736
Deferred income taxes	12,563	11,101
Regulatory liabilities	4,895	4,906
Derivatives	514	477
Deferral related to differential membership interests - VIEs	4,542	4,656
Other	2,115	2,049
Total other liabilities and deferred credits	27,511	25,925
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	96,781	89,993
FPL [Member]
ELECTRIC UTILITY PLANT AND OTHER PROPERTY
Plant in service and other property	46,394	44,966
Nuclear fuel	1,260	1,308
Construction work in progress	3,341	2,039
Accumulated depreciation and amortization	(12,730)	(12,304)
Total electric utility plant and other property - net	38,265	36,009
CURRENT ASSETS
Cash and cash equivalents	8	33
Customer receivables, net of allowances	1,212	768
Other receivables	225	148
Materials, supplies and fossil fuel inventory	903	851
Regulatory assets	551	524
Derivatives	7	209
Other	176	213
Total current assets	3,082	2,746
OTHER ASSETS
Special use funds	3,963	3,665
Prepaid benefit costs	1,332	1,301
Regulatory assets ($53 and $107 related to a VIE, respectively)	2,971	1,573
Other	302	207
Total other assets	8,568	6,746
TOTAL ASSETS	49,915	45,501
CAPITALIZATION
Common stock	1,373	1,373
Additional paid-in capital	8,291	8,332
Retained earnings	7,682	6,875
Total equity	17,346	16,580
Long-term debt	10,055	9,705
Total capitalization	27,401	26,285
CURRENT LIABILITIES
Commercial paper	1,079	268
Other short-term debt	250	150
Current maturities of long-term debt	463	367
Accounts payable	764	837
Customer deposits	446	466
Accrued interest and taxes	637	240
Accrued construction-related expenditures	218	262
Regulatory liabilities	145	294
Other	1,576	497
Total current liabilities	5,578	3,381
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	2,001	1,919
Deferred income taxes	9,554	8,541
Regulatory liabilities	4,855	4,893
Other	526	482
Total other liabilities and deferred credits	16,936	15,835
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	$ 49,915	$ 45,501