CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property	$ 80,535	$ 85,337
Nuclear fuel	1,869	1,767
Construction work in progress	7,347	6,679
Accumulated depreciation and amortization	(21,092)	(21,367)
Total property, plant and equipment - net	68,659	72,416
CURRENT ASSETS
Cash and cash equivalents	478	1,714
Customer receivables, net of allowances	2,230	2,220
Other receivables	661	517
Materials, supplies and fossil fuel inventory	1,159	1,273
Regulatory assets	344	336
Derivatives	459	489
Other	554	608
Total current assets	5,885	7,157
OTHER ASSETS
Special use funds	6,134	6,003
Investment in equity method investees	6,217	2,321
Prepaid benefit costs	1,490	1,427
Regulatory assets	2,503	2,469
Derivatives	1,460	1,315
Other	3,142	4,719
Total other assets	20,946	18,254
TOTAL ASSETS	95,490	97,827
CAPITALIZATION
Common stock	5	5
Additional paid-in capital	9,736	9,100
Retained earnings	23,453	18,992
Accumulated other comprehensive income (loss)	(173)	111
Total common shareholders' equity	33,021	28,208
Noncontrolling interests	3,151	1,290
Total equity	36,172	29,498
Long-term debt	28,356	31,463
Total capitalization	64,528	60,961
CURRENT LIABILITIES
Commercial paper	2,392	1,687
Other short-term debt	205	255
Current maturities of long-term debt	1,613	1,676
Accounts payable	2,298	3,235
Customer deposits	445	448
Accrued interest and taxes	737	622
Derivatives	496	364
Accrued construction-related expenditures	686	1,033
Regulatory liabilities	385	346
Other	927	1,566
Total current liabilities	10,184	11,232
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	3,048	3,031
Deferred income taxes	7,162	5,754
Regulatory liabilities	8,846	8,765
Derivatives	491	535
Deferral related to differential membership interests - VIEs	0	5,403
Other	1,231	2,146
Total other liabilities and deferred credits	20,778	25,634
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	95,490	97,827
FPL [Member]
ELECTRIC UTILITY PLANT AND OTHER PROPERTY
Plant in service and other property	48,629	47,167
Nuclear fuel	1,218	1,192
Construction work in progress	3,458	3,623
Accumulated depreciation and amortization	(12,885)	(12,802)
Total electric utility plant and other property - net	40,420	39,180
CURRENT ASSETS
Cash and cash equivalents	38	33
Customer receivables, net of allowances	1,148	1,073
Other receivables	239	160
Materials, supplies and fossil fuel inventory	783	840
Regulatory assets	344	335
Other	175	243
Total current assets	2,727	2,684
OTHER ASSETS
Special use funds	4,210	4,090
Prepaid benefit costs	1,391	1,351
Regulatory assets	2,264	2,249
Other	599	690
Total other assets	8,464	8,380
TOTAL ASSETS	51,611	50,244
CAPITALIZATION
Common stock	1,373	1,373
Additional paid-in capital	9,141	8,291
Retained earnings	8,479	7,376
Total equity	18,993	17,040
Long-term debt	12,379	11,236
Total capitalization	31,372	28,276
CURRENT LIABILITIES
Commercial paper	987	1,687
Other short-term debt	0	250
Current maturities of long-term debt	92	466
Accounts payable	713	893
Customer deposits	442	445
Accrued interest and taxes	522	439
Accrued construction-related expenditures	270	300
Regulatory liabilities	372	333
Other	444	984
Total current liabilities	3,842	5,797
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations	2,097	2,047
Deferred income taxes	5,122	5,005
Regulatory liabilities	8,728	8,642
Other	450	477
Total other liabilities and deferred credits	16,397	16,171
COMMITMENTS AND CONTINGENCIES
TOTAL CAPITALIZATION AND LIABILITIES	$ 51,611	$ 50,244