Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2022

EEGH

Related Party Transaction [Line Items]

Schedule of Related Party Transactions

Presented below are Eastern Energy Gas' significant transactions with DES, Carolina Gas Services, DEQPS and other affiliated and related parties for the year ended December 31 (in millions):

	2020
Sales of natural gas and transmission and storage services	$	207
Purchases of natural gas and transmission and storage services	10
Services provided by related parties(1)	129
Services provided to related parties(2)	83

(1)Includes capitalized expenditures of $14 million.

(2)Includes amounts attributable to Atlantic Coast Pipeline, a related party VIE prior to the GT&S Transaction. See below for more information.

Presented below are Eastern Energy Gas' significant transactions with affiliated and related parties for the years ended December 31 (in millions):

	2022		2021		2020
Sales of natural gas and transmission and storage services	$	27	$	32	$	4
Purchases of natural gas and transmission and storage services	4		5		—
Services provided by related parties(1)	83		51		4
Services provided to related parties	38		32		7

(1)Includes capitalized expenditures.

EGTS

Related Party Transaction [Line Items]

Schedule of Related Party Transactions

Presented below are EGTS' significant transactions with DES and other affiliated and related parties for the year ended December 31 (in millions):

	2020
Sales of natural gas and transmission and storage services	$	71
Purchases of natural gas and transmission and storage services	7
Services provided by related parties(1)	67
Services provided to related parties(2)	86

(1)Includes capitalized expenditures of $14 million.

(2)Includes amounts attributable to Atlantic Coast Pipeline, a related party VIE prior to the GT&S Transaction. See below for more information.

Presented below are EGTS' significant transactions with related parties for the years ended December 31 (in millions):

	2022		2021		2020
Sales of natural gas and transmission and storage services	$	26	$	28	$	4
Purchases of natural gas and transmission and storage services	4		5		—
Services provided by related parties	46		26		2
Services provided to related parties	62		57		10