XML 58 R39.htm IDEA: XBRL DOCUMENT v3.25.3

Segment Disclosures (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Reconciliation of revenue from segment to consolidated [Table Text Block]

The following tables present revenues, Modified EBITDA, significant expenses, and certain segment assets measures:

			Transmission, Power & Gulf						Northeast G&P						West						Gas & NGL Marketing Services (1)						Total
			(Millions)
Three Months Ended September 30, 2025
Segment revenues:
Service revenues
External			$	1,213					$	495					$	409					$	—					$	2,117
Internal			24						4						61						—						89
Total service revenues			1,237						499						470						—						2,206
Total service revenues – commodity consideration			24						—						21						—						45
Product sales
External			42						7						38						576						663
Internal			88						24						181						(161)						132
Total product sales			130						31						219						415						795
Net gain (loss) from commodity derivatives
Realized			1						—						2						(11)						(8)
Unrealized			—						—						—						44						44
Total net gain (loss) from commodity derivatives (2)			1						—						2						33						36
Total revenues of reportable segments			$	1,392					$	530					$	712					$	448					$	3,082
Segment costs and expenses and Proportional Modified EBITDA of equity-method investments:
Product costs and net realized processing commodity expenses			(139)						(25)						(211)						(398)
Net unrealized gain (loss) from commodity derivatives within Net processing commodity expenses			—						—						—						2
Operating and administrative expenses (3)			(290)						(114)						(150)						(14)
Recoverable power, transportation, and storage costs (4)			(64)						(42)						(17)						—
Other segment income (expenses) - net (5)			37						(5)						(28)						—
Proportional Modified EBITDA of equity-method investments			37						161						36						16
Total Modified EBITDA of reportable segments			$	973					$	505					$	342					$	54					$	1,874
Reconciliation of Modified EBITDA:
Contribution from upstream operations, corporate, and other business activities																											93
Depreciation, depletion, and amortization expenses																											(564)
Equity earnings (losses)																											152
Other investing income (loss) - net																											19
Interest expense																											(372)
Accretion expense associated with AROs for nonregulated operations																											(23)
Proportional Modified EBITDA of equity-method investments																											(250)
Income (loss) before income taxes																											$	929
Additions to long-lived segment assets			$	754					$	53					$	167					$	—					$	974

			Transmission, Power & Gulf						Northeast G&P						West						Gas & NGL Marketing Services (1)						Total
			(Millions)
Three Months Ended September 30, 2024
Segment revenues:
Service revenues
External			$	1,049					$	473					$	385					$	—					$	1,907
Internal			23						2						41						—						66
Total service revenues			1,072						475						426						—						1,973
Total service revenues – commodity consideration			14						1						19						—						34
Product sales
External			30						8						47						585						670
Internal			54						18						171						(104)						139
Total product sales			84						26						218						481						809
Net gain (loss) from commodity derivatives
Realized			—						—						—						(8)						(8)
Unrealized			—						—						—						9						9
Total net gain (loss) from commodity derivatives (2)			—						—						—						1						1
Total revenues of reportable segments			$	1,170					$	502					$	663					$	482					$	2,817
Segment costs and expenses and Proportional Modified EBITDA of equity-method investments:
Product costs and net realized processing commodity expenses			(87)						(19)						(210)						(450)
Net unrealized gain (loss) from commodity derivatives within Net processing commodity expenses			—						—						—						1
Operating and administrative expenses (3)			(294)						(120)						(157)						(22)
Recoverable power, transportation, and storage costs (4)			(65)						(35)						(13)						—
Other segment income (expenses) - net (5)			46						(1)						5						—
Proportional Modified EBITDA of equity-method investments			41						149						35						—
Total Modified EBITDA of reportable segments			$	811					$	476					$	323					$	11					$	1,621
Reconciliation of Modified EBITDA:
Contribution from upstream operations, corporate, and other business activities																											58
Depreciation, depletion, and amortization expenses																											(566)
Equity earnings (losses)																											147
Other investing income (loss) - net																											290
Interest expense																											(338)
Accretion expense associated with AROs for nonregulated operations																											(17)
Proportional Modified EBITDA of equity-method investments																											(227)
Income (loss) before income taxes																											$	968
Additions to long-lived segment assets			$	761					$	56					$	126					$	1					$	944

			Transmission, Power & Gulf						Northeast G&P						West						Gas & NGL Marketing Services (1)						Total
			(Millions)
Nine Months Ended September 30, 2025
Segment revenues:
Service revenues
External			$	3,476					$	1,482					$	1,195					$	—					$	6,153
Internal			72						11						159						—						242
Total service revenues			3,548						1,493						1,354						—						6,395
Total service revenues – commodity consideration			75						1						65						—						141
Product sales
External			99						42						109						2,037						2,287
Internal			254						90						584						(480)						448
Total product sales			353						132						693						1,557						2,735
Net gain (loss) from commodity derivatives
Realized			—						—						1						(44)						(43)
Unrealized			—						—						—						35						35
Total net gain (loss) from commodity derivatives (2)			—						—						1						(9)						(8)
Total revenues of reportable segments			$	3,976					$	1,626					$	2,113					$	1,548					$	9,263
Segment costs and expenses and Proportional Modified EBITDA of equity-method investments:
Product costs and net realized processing commodity expenses			(381)						(115)						(666)						(1,332)
Net unrealized gain (loss) from commodity derivatives within Net processing commodity expenses			—						—						—						4
Operating and administrative expenses (3)			(846)						(333)						(452)						(72)
Recoverable power, transportation, and storage costs (4)			(189)						(125)						(46)						—
Other segment income (expenses) - net (5)			52						(7)						(18)						1
Proportional Modified EBITDA of equity-method investments			110						474						106						27
Total Modified EBITDA of reportable segments			$	2,722					$	1,520					$	1,037					$	176					$	5,455
Reconciliation of Modified EBITDA:
Contribution from upstream operations, corporate, and other business activities																											286
Depreciation, depletion, and amortization expenses																											(1,754)
Equity earnings (losses)																											449
Other investing income (loss) - net																											31
Interest expense																											(1,071)
Accretion expense associated with AROs for nonregulated operations																											(71)
Proportional Modified EBITDA of equity-method investments																											(717)
Income (loss) before income taxes																											$	2,608
Additions to long-lived segment assets			$	1,781					$	166					$	962					$	1					$	2,910

			Transmission, Power & Gulf						Northeast G&P						West						Gas & NGL Marketing Services (1)						Total
			(Millions)
Nine Months Ended September 30, 2024
Segment revenues:
Service revenues
External			$	3,077					$	1,410					$	1,154					$	—					$	5,641
Internal			67						9						116						—						192
Total service revenues			3,144						1,419						1,270						—						5,833
Total service revenues – commodity consideration			28						1						53						—						82
Product sales
External			85						15						153						1,800						2,053
Internal			100						59						504						(309)						354
Total product sales			185						74						657						1,491						2,407
Net gain (loss) from commodity derivatives
Realized			—						—						5						40						45
Unrealized			—						—						—						(188)						(188)
Total net gain (loss) from commodity derivatives (2)			—						—						5						(148)						(143)
Total revenues of reportable segments			$	3,357					$	1,494					$	1,985					$	1,343					$	8,179
Segment costs and expenses and Proportional Modified EBITDA of equity-method investments:
Product costs and net realized processing commodity expenses			(188)						(56)						(636)						(1,269)
Net unrealized gain (loss) from commodity derivatives within Net processing commodity expenses			—						—						—						(3)
Operating and administrative expenses (3)			(809)						(336)						(444)						(85)
Recoverable power, transportation, and storage costs (4)			(191)						(101)						(36)						—
Other segment income (expenses) - net (5)			143						1						3						—
Proportional Modified EBITDA of equity-method investments			136						459						96						—
Total Modified EBITDA of reportable segments			$	2,448					$	1,461					$	968					$	(14)					$	4,863
Reconciliation of Modified EBITDA:
Contribution from upstream operations, corporate, and other business activities																											181
Depreciation, depletion, and amortization expenses																											(1,654)
Equity earnings (losses)																											431
Other investing income (loss) - net																											332
Interest expense																											(1,026)
Accretion expense associated with AROs for nonregulated operations																											(56)
Proportional Modified EBITDA of equity-method investments																											(693)
Income (loss) before income taxes																											$	2,378
Additions to long-lived segment assets			$	3,763					$	163					$	288					$	1					$	4,215
As of September 30, 2025
Equity-method investments by reportable segment			$	262					$	3,255					$	460					$	153					$	4,130
Segment assets			$	24,329					$	12,631					$	12,735					$	183					$	49,878
As of December 31, 2024
Equity-method investments by reportable segment			$	272					$	3,346					$	476					$	—					$	4,094
Segment assets			$	23,149					$	12,918					$	12,144					$	46					$	48,257

_______________________

(1)    As Williams is acting as agent for natural gas marketing customers or engages in energy trading activities, the resulting revenues are presented net of the related costs of those activities.

(2)    Williams records transactions that qualify as commodity derivatives at fair value with changes in fair value recognized in earnings in the period of change and characterized as unrealized gains or losses. Gains and losses from commodity derivatives held for energy trading purposes are presented on a net basis in revenue.

(3)    Segment operating and administrative expenses primarily include payroll, maintenance and operating costs and taxes, and general and administrative expenses, including acquisition and transition-related expenses. It also includes project execution, information technology, finance and accounting, real estate and aviation, central engineering services, safety and operational discipline, supply chain and digital transformation, corporate strategic development, human resources, legal and government affairs, and executive and audit support services costs which are centrally managed and allocated to segments.

(4)    Recoverable power, transportation and storage costs are charges incurred which are reimbursable pursuant to FERC stipulations or customer contracts.

(5)    Other segment income (expenses) primarily includes equity AFUDC and regulatory credits and charges related to Williams’ regulated operations, as well as the write-off of certain compression assets in the West segment in the third quarter of 2025 (Note 8 – Fair Value Measurements and Guarantees).

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

+ Details

Name:	us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration