CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	$ 79,716	$ 85,337
Nuclear fuel	1,901	1,767
Construction work in progress	8,708	6,679
Accumulated depreciation and amortization	(21,753)	(21,367)
Total property, plant and equipment - net	68,572	72,416
CURRENT ASSETS
Cash and cash equivalents	497	1,714
Customer receivables, net of allowances	2,454	2,220
Other receivables	665	517
Materials, supplies and fossil fuel inventory	1,083	1,273
Regulatory assets	399	336
Derivatives	463	489
Assets held for sale	2,270	140
Other	518	468
Total current assets	8,349	7,157
OTHER ASSETS
Special use funds	6,361	6,003
Investment in equity method investees	6,493	2,321
Prepaid benefit costs	1,509	1,427
Regulatory assets	2,396	2,469
Derivatives	1,375	1,315
Other	3,548	4,719
Total other assets	21,682	18,254
TOTAL ASSETS	98,603	97,827
CAPITALIZATION
Common stock	5	5
Additional paid-in capital	10,470	9,100
Retained earnings	23,935	18,992
Accumulated other comprehensive income (loss)	(158)	111
Total common shareholders' equity	34,252	28,208
Noncontrolling interests	3,086	1,290
Total equity	37,338	29,498
Long-term debt	27,048	31,463
Total capitalization	64,386	60,961
CURRENT LIABILITIES
Commercial paper	2,460	1,687
Other short-term debt	430	255
Current maturities of long-term debt	2,649	1,676
Accounts payable	3,000	3,235
Customer deposits	448	448
Accrued interest and taxes	931	622
Derivatives	483	364
Accrued construction-related expenditures	905	1,033
Regulatory liabilities	396	346
Other	1,105	1,566
Total current liabilities	12,807	11,232
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	3,065	3,031
Deferred income taxes	7,420	5,754
Regulatory liabilities	9,189	8,765
Derivatives	522	535
Deferral related to differential membership interests - VIEs	0	5,403
Other	1,214	2,146
Total other liabilities and deferred credits	21,410	25,634
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	98,603	97,827
FPL [Member]
ELECTRIC UTILITY PLANT AND OTHER PROPERTY
Plant in service and other property	49,479	47,167
Nuclear fuel	1,221	1,192
Construction work in progress	3,778	3,623
Accumulated depreciation and amortization	(13,326)	(12,802)
Total electric utility plant and other property - net	41,152	39,180
CURRENT ASSETS
Cash and cash equivalents	103	33
Customer receivables, net of allowances	1,372	1,073
Other receivables	233	160
Materials, supplies and fossil fuel inventory	698	840
Regulatory assets	399	335
Other	232	243
Total current assets	3,037	2,684
OTHER ASSETS
Special use funds	4,364	4,090
Prepaid benefit costs	1,402	1,351
Regulatory assets	2,168	2,249
Other	855	690
Total other assets	8,789	8,380
TOTAL ASSETS	52,978	50,244
CAPITALIZATION
Common stock	1,373	1,373
Additional paid-in capital	10,603	8,291
Retained earnings	9,133	7,376
Total equity	21,109	17,040
Long-term debt	11,595	11,236
Total capitalization	32,704	28,276
CURRENT LIABILITIES
Commercial paper	205	1,687
Other short-term debt	0	250
Current maturities of long-term debt	96	466
Accounts payable	756	893
Customer deposits	445	445
Accrued interest and taxes	868	439
Accrued construction-related expenditures	250	300
Regulatory liabilities	381	333
Other	502	984
Total current liabilities	3,503	5,797
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	2,122	2,047
Deferred income taxes	5,133	5,005
Regulatory liabilities	9,072	8,642
Other	444	477
Total other liabilities and deferred credits	16,771	16,171
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	$ 52,978	$ 50,244