# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000107263-26-000026
Filing Date
2026-08-03
Accepted
2026-08-03 16:21:55
Documents
79
Period of Report
2026-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | wmb-20260630.htm iXBRL | 10-Q | 3428225
2 | EX-10.1 | wmb_20260630x10qxex101.htm | EX-10.1 | 31675
3 | EX-31.1 | wmb_20260630x10qxex311.htm | EX-31.1 | 9423
4 | EX-31.2 | wmb_20260630x10qxex312.htm | EX-31.2 | 9395
5 | EX-31.3 | tgpl_20260630x10qxex313.htm | EX-31.3 | 10242
6 | EX-31.4 | tgpl_20260630x10qxex314.htm | EX-31.4 | 10180
7 | EX-31.5 | nwp_20260630x10qxex315.htm | EX-31.5 | 10029
8 | EX-31.6 | nwp_20260630x10qxex316.htm | EX-31.6 | 10029
9 | EX-32.1 | wmb_20260630x10qxex321.htm | EX-32.1 | 5892
10 | EX-32.2 | tgpl_20260630x10qxex322.htm | EX-32.2 | 6754
11 | EX-32.3 | nwp_20260630x10qxex323.htm | EX-32.3 | 6471
| Complete submission text file | 0000107263-26-000026.txt |  | 15245557

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
12 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wmb-20260630.xsd | EX-101.SCH | 66071
13 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wmb-20260630_cal.xml | EX-101.CAL | 105891
14 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wmb-20260630_def.xml | EX-101.DEF | 792069
15 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | wmb-20260630_lab.xml | EX-101.LAB | 853229
16 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wmb-20260630_pre.xml | EX-101.PRE | 761037
82 | EXTRACTED XBRL INSTANCE DOCUMENT | wmb-20260630_htm.xml | XML | 2926098

Mailing Address 2800 POST OAK BLVD PO BOX 1396 HOUSTON TX 77251
Business Address 2800 POST OAK BLVD PO BOX 1396 HOUSTON TX 77251 7132152000
TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC (Filer) CIK: 0000099250 (see all company filings)

EIN.: 741079400 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-07584 | Film No.: 261233258
SIC: 4922 Natural Gas Transmission
(CF Office: 01 Energy & Transportation)

Mailing Address ONE WILLIAM CENTER TULSA OK 74172
Business Address ONE WILLIAMS CTR TULSA OK 74172 9185732000
WILLIAMS COMPANIES, INC. (Filer) CIK: 0000107263 (see all company filings)

EIN.: 730569878 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-04174 | Film No.: 261233256
SIC: 4922 Natural Gas Transmission
(CF Office: 01 Energy & Transportation)

Mailing Address 295 CHIPETA WAY SALT LAKE CITY UT 84108
Business Address 295 CHIPETA WAY SALT LAKE CITY UT 84108 801-583-8800
NORTHWEST PIPELINE LLC (Filer) CIK: 0000110019 (see all company filings)

EIN.: 261157701 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-07414 | Film No.: 261233257
SIC: 4922 Natural Gas Transmission
(CF Office: 01 Energy & Transportation)