CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018		Sep. 30, 2019	Sep. 30, 2018
OPERATING REVENUES		$ 5,572	$ 4,416	[1]	$ 14,616	$ 12,337	[1]
OPERATING EXPENSES (INCOME)
Fuel, purchased power and interchange		1,266	1,083	[1]	3,308	2,796	[1]
Other operations and maintenance		863	830	[1]	2,576	2,448	[1]
Depreciation and amortization		1,295	1,132	[1]	3,247	2,819	[1]
Losses (gains) on disposal of businesses/assets - net		2	(6)	[1]	(378)	(48)	[1]
Taxes other than income taxes and other - net		553	409	[1]	1,387	1,149	[1]
Total operating expenses - net		3,979	3,448	[1]	10,140	9,164	[1]
OPERATING INCOME		1,593	968	[1]	4,476	3,173	[1]
OTHER INCOME (DEDUCTIONS)
Interest expense		(746)	(168)	[1]	(2,061)	(788)	[1]
Equity in earnings (losses) of equity method investees		(90)	122	[1]	(80)	371	[1],[2]
Allowance for equity funds used during construction		14	24	[1]	51	68	[1]
Interest income		16	11	[1]	41	39	[1]
Gain on NEP deconsolidation		0	0	[1]	0	3,927	[1],[2]
Gains on disposal of investments and other property - net		6	31	[1]	37	83	[1]
Change in unrealized gains (losses) on equity securities held in NEER's nuclear decommissioning funds - net		1	30	[1]	157	22	[1]
Other net periodic benefit income		50	37	[1]	136	139	[1]
Other - net		12	11	[1]	43	30	[1]
Total other income (deductions) - net		(737)	98	[1]	(1,676)	3,891	[1]
INCOME BEFORE INCOME TAXES		856	1,066	[1]	2,800	7,064	[1]
INCOME TAXES		58	125	[1]	256	1,602	[1]
Net Income (Loss)		798	941	[1],[3]	2,544	5,462	[2],[3]
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS		81	64	[1]	250	754	[1]
Net Income (Loss) Attributable to Parent		$ 879	$ 1,005	[1]	$ 2,794	$ 6,216	[1]
Earnings per share of common stock:
Basic (in dollars per share)		$ 1.82	$ 2.12	[1]	$ 5.82	$ 13.18	[1]
Assuming dilution (in dollars per share)		$ 1.81	$ 2.10	[1]	$ 5.78	$ 13.00	[1]
Weighted-average number of common shares outstanding:
Basic (in shares)		481.9	473.1	[1]	479.7	471.7	[1]
Assuming dilution (in shares)		486.0	477.4	[1]	483.5	475.6	[1]
FPL [Member]
OPERATING REVENUES		$ 3,491	$ 3,399	[4]	$ 9,267	$ 8,927	[4]
OPERATING EXPENSES (INCOME)
Fuel, purchased power and interchange		943	941	[4]	2,478	2,418	[4]
Other operations and maintenance		345	383	[4]	1,070	1,115	[4]
Depreciation and amortization		853	806	[4]	2,005	1,865	[4]
Taxes other than income taxes and other - net		377	352	[4]	1,029	984	[4]
Total operating expenses - net		2,518	2,482	[4]	6,582	6,382	[4]
OPERATING INCOME		973	917	[4]	2,685	2,545	[4]
OTHER INCOME (DEDUCTIONS)
Interest expense		(152)	(136)	[4]	(442)	(410)	[4]
Allowance for equity funds used during construction		11	23	[4]	46	64	[4]
Other - net		2	2	[4]	3	5	[4]
Total other income (deductions) - net		(139)	(111)	[4]	(393)	(341)	[4]
INCOME BEFORE INCOME TAXES		834	806	[4]	2,292	2,204	[4]
INCOME TAXES		151	152	[4]	358	440	[4]
Net Income (Loss)	[5]	$ 683	$ 654	[4]	$ 1,934	$ 1,764	[4],[6]

[1] Amounts have been retrospectively adjusted for an accounting standards update related to leases.

[2] Amounts have been retrospectively adjusted for an accounting standards update related to leases.

[3] Amounts have been retrospectively adjusted for an accounting standards update related to leases.

[4] Amounts have been retrospectively adjusted for an accounting standards update related to leases.

[5] FPL's comprehensive income is the same as reported net income.

[6] Amounts have been retrospectively adjusted for an accounting standards update related to leases.