CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2018	Dec. 31, 2017
PROPERTY, PLANT AND EQUIPMENT
Electric plant in service and other property		$ 81,986	$ 85,119	[1]
Nuclear fuel		1,740	1,767	[1]
Construction work in progress		8,357	6,679	[1]
Accumulated depreciation and amortization		(21,749)	(21,276)	[1]
Total property, plant and equipment - net		70,334	72,289	[1]
CURRENT ASSETS
Cash and cash equivalents		638	1,714	[1]
Customer receivables, net of allowances		2,302	2,220	[1]
Other receivables		667	517	[1]
Materials, supplies and fossil fuel inventory		1,223	1,273	[1]
Regulatory assets		448	336	[1]
Derivatives		564	489	[1]
Other		551	632	[1]
Total current assets		6,393	7,181	[1]
OTHER ASSETS
Special use funds		5,886	6,003	[1]
Investment in equity method investees		6,748	2,321	[1]
Prepaid benefit costs		1,284	1,427	[1]
Regulatory assets		3,290	2,469	[1]
Derivatives		1,355	1,315	[1]
Other		8,412	4,958	[1]
Total other assets		26,975	18,493	[1]
TOTAL ASSETS		103,702	97,963	[1]
CAPITALIZATION
Common stock		5	5	[1]
Additional paid-in capital		10,490	9,100	[1]
Retained earnings		23,837	19,020	[1]
Accumulated other comprehensive income (loss)		(188)	111	[1]
Total common shareholders' equity		34,144	28,236	[1]
Noncontrolling interests		3,269	1,295	[1]
Total equity	[2]	37,413	29,531	[1]
Redeemable noncontrolling interests		468	0	[1]
Long-term debt		26,782	31,410	[1]
Total capitalization		64,663	60,941	[1]
CURRENT LIABILITIES
Commercial paper		2,749	1,687	[1]
Other short-term debt		5,465	255	[1]
Current portion of long-term debt		2,716	1,673	[1]
Accounts payable		2,386	3,235	[1]
Customer deposits		445	448	[1]
Accrued interest and taxes		477	621	[1]
Derivatives		675	364	[1]
Accrued construction-related expenditures		1,195	1,033	[1]
Regulatory liabilities		325	346	[1]
Other		1,130	1,581	[1]
Total current liabilities		17,563	11,243	[1]
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations		3,135	3,031	[1]
Deferred income taxes		7,367	5,764	[1]
Regulatory liabilities		9,009	8,765	[1]
Derivatives		516	535	[1]
Deferral related to differential membership interests - VIEs		0	5,403	[1]
Other		1,449	2,281	[1]
Total other liabilities and deferred credits		21,476	25,779	[1]
COMMITMENTS AND CONTINGENCIES				[1]
TOTAL CAPITALIZATION AND LIABILITIES		103,702	97,963	[1]
FPL[Member]
ELECTRIC UTILITY PLANT AND OTHER PROPERTY
Plant in service and other property		49,640	47,100	[3]
Nuclear fuel		1,189	1,192	[3]
Construction work in progress		3,888	3,623	[3]
Accumulated depreciation and amortization		(13,218)	(12,791)	[3]
Total electric utility plant and other property - net		41,499	39,124	[3]
CURRENT ASSETS
Cash and cash equivalents		112	33	[3]
Customer receivables, net of allowances		1,026	1,073	[3]
Other receivables		284	160	[3]
Materials, supplies and fossil fuel inventory		670	840	[3]
Regulatory assets		447	335	[3]
Other		239	243	[3]
Total current assets		2,778	2,684	[3]
OTHER ASSETS
Special use funds		4,056	4,090	[3]
Prepaid benefit costs		1,407	1,351	[3]
Regulatory assets		2,843	2,249	[3]
Other		901	756	[3]
Total other assets		9,207	8,446	[3]
TOTAL ASSETS		53,484	50,254	[3]
CAPITALIZATION
Common stock		1,373	1,373	[3]
Additional paid-in capital		10,601	8,291	[3]
Retained earnings		9,040	7,376	[3]
Total common shareholders' equity		21,014	17,040
Total equity		21,014	17,040	[3]
Long-term debt		11,688	11,187	[3]
Total capitalization		32,702	28,227	[3]
CURRENT LIABILITIES
Commercial paper		1,256	1,687	[3]
Other short-term debt		0	250	[3]
Current portion of long-term debt		95	464	[3]
Accounts payable		731	893	[3]
Customer deposits		442	445	[3]
Accrued interest and taxes		376	438	[3]
Accrued construction-related expenditures		323	300	[3]
Regulatory liabilities		310	333	[3]
Other		543	993	[3]
Total current liabilities		4,076	5,803	[3]
OTHER LIABILITIES AND DEFERRED CREDITS
Asset retirement obligations		2,147	2,047	[3]
Deferred income taxes		5,165	5,005	[3]
Regulatory liabilities		8,886	8,642	[3]
Other		508	530	[3]
Total other liabilities and deferred credits		16,706	16,224	[3]
COMMITMENTS AND CONTINGENCIES				[3]
TOTAL CAPITALIZATION AND LIABILITIES		$ 53,484	$ 50,254	[3]

[1] Amounts have been retrospectively adjusted as discussed in Note 14.

[2] Prior period amounts have been retrospectively adjusted as discussed in Note 14.

[3] Amounts have been retrospectively adjusted as discussed in Note 14.