v3.26.3
Investment in Unconsolidated Affiliates (Tables)
 9 Months Ended
Sep. 30, 2026
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Investments in and Advances to Affiliates, Schedule of Investments
Summary of Balances Related to Unconsolidated Affiliates
The carrying values of the Partnership’s investments in unconsolidated affiliates as of September 30, 2026 and December 31, 2025 were as follows:
September 30,
2026		December 31,
2025
J.C. Nolan$118 $121 
ET-S Permian1,147 1,161 
SARA134 141 
Isla178 171 
Other30 30 
Total $1,607 $1,624 
The following table presents equity in earnings (losses) of unconsolidated affiliates:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
J.C. Nolan$3 $2 $6 $5 
ET-S Permian25 38 104 98 
SARA2 — 5 — 
Isla2 — 7 — 
Other(1)— (2)— 
Total equity in earnings of unconsolidated affiliates$31 $40 $120 $103 
The following tables present selected balance sheet and income statement data (unaudited) for ET-S Permian (on a 100% basis):
September 30,
2026		December 31,
2025
Current assets
$127 $122 
Property, plant and equipment, net3,358 3,333 
Other assets353 308 
Total assets$3,838 $3,763 
Current liabilities$271 $159 
Non-current liabilities31 31 
Equity3,536 3,573 
Total liabilities and equity$3,838 $3,763 
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
Revenues (1)
$7,392 $5,735 $23,581 $14,827 
Operating income77 119 322 308 
Net income77 118 321 303 
(1)    Includes transactions with affiliates of $7.31 billion and $5.65 billion for the three months ended September 30, 2026 and 2025, respectively, and $23.31 billion and $14.55 billion for the nine months ended