Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2025

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

	For the Year Ended December 31, 2025
(In millions)	Texas		East		West/Other		Vivint Smart Home		Corporate		Eliminations		Total
Revenue(a)	$	11,139	$	14,263	$	3,202	$	2,144	$	—	$	(35)	$	30,713
Operating Expenses	9,634		13,409		3,014		1,281		134		(35)		27,437
Depreciation and amortization	374		148		32		810		42		—		1,406
Total operating cost and expenses	10,008		13,557		3,046		2,091		176		(35)		28,843
Loss on sale of assets	(18)		—		(7)		—		—		—		(25)
Operating income/(loss)	1,113		706		149		53		(176)		—		1,845
Equity in earnings of unconsolidated affiliates	—		—		11		—		—		—		11
Impairment losses on investments	—		—		(39)		—		—		—		(39)
Other income, net	(1)		4		(1)		(20)		86		—		68
Loss on debt extinguishment	—		—		—		—		(10)		—		(10)
Interest expense	—		—		—		—		(741)		—		(741)
Income/(loss) before income taxes	1,112		710		120		33		(841)		—		1,134
Income tax expense	—		—		—		—		270		—		270
Net income/(loss)	$	1,112	$	710	$	120	$	33	$	(1,111)	$	—	$	864
Other segment information
Equity investments in affiliates	$	—	$	—	$	16	$	—	$	—	$	—	$	16
Capital expenditures	976		17		9		24		121		—		1,147
Goodwill	643		721		130		3,523		—		—		5,017
Total assets	$	9,286	$	9,731	$	2,724	$	6,752	$	20,951	$	(20,304)	$	29,140

(a) Inter-segment sales and inter-segment net derivative gains and losses included in revenues $ 23  $ 6  $ 6  $ —  $ —  $ —  $ 35 

	For the Year Ended December 31, 2024
(In millions)	Texas		East		West/Other		Vivint Smart Home		Corporate		Eliminations		Total
Revenue(a)	$	10,651	$	11,709	$	3,819	$	1,991	$	—	$	(40)	$	28,130
Operating Expenses	9,783		9,748		3,818		1,085		81		(40)		24,475
Depreciation and amortization	323		158		99		782		41		—		1,403
Impairment losses	7		—		29		—		—		—		36
Total operating cost and expenses	10,113		9,906		3,946		1,867		122		(40)		25,914
(Loss)/Gain on sale of assets	(4)		3		209		—		—		—		208
Operating income/(loss)	534		1,806		82		124		(122)		—		2,424
Equity in earnings of unconsolidated affiliates	—		—		20		—		—		—		20
Impairment losses on investments	—		—		(7)		—		—		—		(7)
Other income, net	—		(1)		6		(15)		54		—		44
Loss on debt extinguishment	—		—		—		—		(382)		—		(382)
Interest expense	—		—		—		—		(651)		—		(651)
Income/(loss) before income taxes	534		1,805		101		109		(1,101)		—		1,448
Income tax expense	—		—		—		—		323		—		323
Net income/(loss)	$	534	$	1,805	$	101	$	109	$	(1,424)	$	—	$	1,125
Other segment information
Equity investments in affiliates	$	—	$	—	$	45	$	—	$	—	$	—	$	45
Capital expenditures	369		3		16		23		61		—		472
Goodwill	643		721		124		3,523		—		—		5,011
Total assets	$	6,927	$	8,010	$	2,073	$	6,814	$	15,537	$	(15,339)	$	24,022

(a) Inter-segment sales and inter-segment net derivative gains and losses included in revenues $ 22  $ —  $ 18  $ —  $ —  $ —  $ 40 

	For the Year Ended December 31, 2023
(In millions)	Texas		East		West/Other		Vivint Smart Home(a)		Corporate		Eliminations		Total
Revenue(b)	$	10,474	$	12,549	$	4,241	$	1,589	$	—	$	(30)	$	28,823
Operating Expenses	8,351		14,363		4,997		882		133		(30)		28,696
Depreciation and amortization	348		167		86		658		36		—		1,295
Impairment losses	2		4		20		—		—		—		26
Total operating cost and expenses	8,701		14,534		5,103		1,540		169		(30)		30,017
Gain on sale of assets	1,324		254		—		—		—		—		1,578
Operating income/(loss)	3,097		(1,731)		(862)		49		(169)		—		384
Equity in earnings of unconsolidated affiliates	—		—		16		—		—		—		16
Impairment losses on investments	—		—		(102)		—		—		—		(102)
Other income, net	2		(1)		1		(15)		60		—		47
Gain on debt extinguishment	—		—		—		—		109		—		109
Interest expense	—		—		—		—		(667)		—		(667)
Income/(loss) before income taxes	3,099		(1,732)		(947)		34		(667)		—		(213)
Income tax benefit	—		—		—		—		(11)		—		(11)
Net income/(loss)	$	3,099	$	(1,732)	$	(947)	$	34	$	(656)	$	—	$	(202)

(a) Includes results of operations following the acquisition date of March 10, 2023
(b) Inter-segment sales and inter-segment net derivative gains and losses included in revenues	$	5	$	9	$	16	$	—	$	—	$	—	$	30