Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2015

Asset Retirement Obligations [Abstract]

Asset retirement obligation, roll forward analysis

A rollforward of NEE's and FPL's ARO is as follows:

	FPL				NEER				NEE
					(millions)
Balances, December 31, 2013	$	1,285			$	565			$	1,850
Liabilities incurred	1				29				30
Accretion expense	70				38				108
Liabilities settled	—				(1		)		(1		)
Revision in estimated cash flows - net	(1		)		—				(1		)
Balances, December 31, 2014	1,355				631				1,986
Liabilities incurred	5				46				51
Accretion expense	73				43				116
Liabilities settled	(20		)		(2		)		(22		)
Revision in estimated cash flows - net	409			(a)	(71		)	(b)	338
Balances, December 31, 2015	$	1,822			$	647			$	2,469

Funds restricted for decommissioning included in special use funds

Restricted funds for the payment of future expenditures to decommission NEE's and FPL's nuclear units included in special use funds on NEE's and FPL's consolidated balance sheets are as follows (see Note 4 - Special Use Funds):

	FPL		NEER		NEE
			(millions)
Balances, December 31, 2015	$	3,430	$	1,634	$	5,064
Balances, December 31, 2014	$	3,449	$	1,642	$	5,091