Postretirement Benefit Obligations (Tables)

3 Months Ended

Mar. 31, 2026

The components of net periodic benefit costs for the periods were:


	Three Months Ended March 31,
		2026		2025
Postretirement benefits service cost (a)		$	1	$	1

Postretirement benefit (gain) loss
Interest cost		$	16	$	17
Expected return on plan assets		(19)		(19)

Amortization of:
Postretirement prior service cost (credit)		(1)		(1)

Postretirement benefit (gain) loss, net (b)		$	(4)	$	(3)

Net periodic defined benefit cost (credit)		$	(3)	$	(2)

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(a)Activity presented as “Operation, maintenance and development” on the Consolidated Statements of Operations.

(b)Activity presented as “Other non-operating income (expense), net” on the Consolidated Statements of Operations.