v3.26.1
Investment in Unconsolidated Affiliates (Tables)
 3 Months Ended
Mar. 31, 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 March 31, 2026 and December 31, 2025 were as follows:
March 31,
2026		December 31,
2025
J.C. Nolan$119 $121 
ET-S Permian1,147 1,161 
SARA140 141 
Isla176 171 
Other29 30 
$1,611 $1,624 
The following table presents equity in earnings (losses) of unconsolidated affiliates:
Three Months Ended March 31,
20262025
J.C. Nolan$2 $2 
ET-S Permian37 30 
SARA1 — 
Isla3 — 
Other(1)— 
$42 $32 
The following tables present selected balance sheet and income statement data for ET-S Permian (on a 100% basis):
March 31,
2026		December 31,
2025
Current assets
$104 $122 
Property, plant and equipment, net3,333 3,333 
Other assets362 308 
Total assets$3,799 $3,763 
Current liabilities$236 $159 
Non-current liabilities34 31 
Equity3,529 3,573 
Total liabilities and equity$3,799 $3,763 
Three Months Ended March 31,
20262025
Revenues (1)
$7,138 $3,460 
Operating income114 92 
Net income114 92 
(1)     Includes transactions with affiliates for the three months ended March 31, 2026 and 2025 of $7.04 billion and $3.36 billion, respectively.