Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Derivative [Line Items]

Net fair values of mark-to-market derivative instrument assets (liabilities)

The net fair values of NEE's and FPL's mark-to-market derivative instrument assets (liabilities) are included on the condensed consolidated balance sheets as follows:

	NEE						FPL
	March 31, 2013			December 31, 2012			March 31, 2013				December 31, 2012
	(millions)
Current derivative assets(a)	$	486		$	517		$	136		(b)	$	4		(b)
Noncurrent derivative assets(c)	902			920			9			(d)	1			(d)
Current derivative liabilities(e)	(419		)	(430		)	(1		)	(f)	(20		)	(f)
Noncurrent derivative liabilities	(391		)	(587		)	—				—
Total mark-to-market derivative instrument assets (liabilities)	$	578		$	420		$	144			$	(15	)

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(a) At March 31, 2013 and December 31, 2012, NEE's balances reflect the netting of approximately $33 million and $43 million (none at FPL), respectively, in margin cash collateral received from counterparties.

(b) Included in current other assets on FPL's condensed consolidated balance sheets.

(c) At March 31, 2013 and December 31, 2012, NEE's balances reflect the netting of approximately $130 million and $159 million (none at FPL), respectively, in margin cash collateral received from counterparties.

(d) Included in noncurrent other assets on FPL's condensed consolidated balance sheets.

(e) At March 31, 2013 and December 31, 2012, NEE's balances reflect the netting of approximately $43 million and $79 million (none at FPL), respectively, in margin cash collateral provided to counterparties.

(f) Included in current other liabilities on FPL's condensed consolidated balance sheets.

Net notional volumes

At March 31, 2013, NEE and FPL had derivative commodity contracts for the following net notional volumes:

Commodity Type	NEE			FPL
	(millions)
Power	(118	)	mwh(a)	—
Natural gas	1,262		mmbtu(b)	846	mmbtu(b)
Oil	(2	)	barrels	—

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(a) Megawatt-hours

(b) One million British thermal units

Cash Flow Hedging [Member]

Derivative [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The fair values of NEE's derivatives designated as hedging instruments for accounting purposes (none at FPL) are presented below as gross asset and liability values, as required by disclosure rules.

	March 31, 2013				December 31, 2012
	Derivative Assets		Derivative Liabilities		Derivative Assets		Derivative Liabilities
	(millions)
Interest rate swaps:
Current derivative assets	$	30	$	—	$	30	$	—
Current derivative liabilities	—		187		—		104
Noncurrent derivative assets	43		—		46		—
Noncurrent derivative liabilities	—		97		—		283
Foreign currency swaps:
Current derivative liabilities	—		4		—		5
Noncurrent derivative liabilities	—		34		—		28
Total	$	73	$	322	$	76	$	420

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

Gains (losses) related to NEE's cash flow hedges are recorded in NEE's condensed consolidated financial statements (none at FPL) as follows:

	Three Months Ended March 31,
	2013											2012
		Interest Rate Swaps			Foreign Currency Swaps				Total			Commodity Contracts		Interest Rate Swaps			Foreign Currency Swap				Total
	(millions)
Gains (losses) recognized in OCI		$	100		$	(8	)		$	92		$	—	$	1		$	(10	)		$	(9	)
Gains (losses) reclassified from AOCI to net income(a)		$	(15	)	$	(19	)	(b)	$	(34	)	$	1	$	(16	)	$	(10	)	(b)	$	(25	)

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(a) Included in operating revenues for commodity contracts and interest expense for interest rate swaps.

(b) Loss of approximately $1 million is included in interest expense and the balance is included in other - net.

Not Designated as Hedging Instrument [Member]

Derivative [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The fair values of NEE's and FPL's derivatives not designated as hedging instruments for accounting purposes are presented below as gross asset and liability values, as required by disclosure rules.  However, the majority of the underlying contracts are subject to master netting arrangements and would not be contractually settled on a gross basis.

	March 31, 2013										December 31, 2012
	NEE				FPL						NEE				FPL
	Derivative Assets		Derivative Liabilities		Derivative Assets			Derivative Liabilities			Derivative Assets		Derivative Liabilities		Derivative Assets			Derivative Liabilities
	(millions)
Commodity contracts:
Current derivative assets	$	862	$	373	$	137	(a)	$	1	(a)	$	851	$	321	$	4	(a)	$	—
Current derivative liabilities	1,331		1,598		—			1		(b)	1,441		1,838		12		(b)	32		(b)
Noncurrent derivative assets	1,682		693		9		(c)	—			1,748		715		1		(c)	—
Noncurrent derivative liabilities	227		426		—			—			192		438		—			—
Foreign currency swap:
Current derivative liabilities	—		4		—			—			—		3		—			—
Noncurrent derivative liabilities	—		61		—			—			—		30		—			—
Total	$	4,102	$	3,155	$	146		$	2		$	4,232	$	3,345	$	17		$	32

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(a) Included in current other assets on FPL's condensed consolidated balance sheets.

(b) Included in current other liabilities on FPL's condensed consolidated balance sheets.

(c) Included in noncurrent other assets on FPL's condensed consolidated balance sheets.

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

Gains (losses) related to NEE's derivatives not designated as hedging instruments are recorded in NEE's condensed consolidated statements of income (none at FPL) as follows:

	Three Months Ended March 31,
	2013			2012
	(millions)
Commodity contracts:(a)
Operating revenues	$	(42	)	$	190
Fuel, purchased power and interchange	3			(11		)
Foreign currency swap - other - net	(32		)	(37		)
Total	$	(71	)	$	142

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(a) For the three months ended March 31, 2013 and 2012, FPL recorded approximately $144 million of gains and $252 million of losses, respectively, related to commodity contracts as regulatory liabilities and regulatory assets, respectively, on its condensed consolidated balance sheets.