Employee Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Net periodic benefit (income) cost

The components of net periodic cost (income) for the plans are as follows:

	Pension Benefits				Postretirement Benefits				Pension Benefits				Postretirement Benefits
	Three Months Ended September 30,				Three Months Ended September 30,				Nine Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021		2022		2021		2022		2021
	(millions)
Service cost	$	21	$	23	$	—	$	1	$	64	$	68	$	1	$	1
Interest cost	19		16		2		1		58		48		4		3
Expected return on plan assets	(90)		(85)		—		—		(271)		(255)		—		—
Amortization of actuarial loss	—		6		1		1		—		18		2		4
Amortization of prior service benefit	—		—		(1)		(4)		(1)		(1)		(3)		(11)
Special termination benefits(a)	—		—		—		—		52		—		—		—
Net periodic cost (income) at NEE	$	(50)	$	(40)	$	2	$	(1)	$	(98)	$	(122)	$	4	$	(3)
Net periodic cost (income) allocated to FPL	$	(33)	$	(27)	$	1	$	(1)	$	(60)	$	(81)	$	3	$	(3)

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(a)    Reflects enhanced early retirement benefit.