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Intangible Assets and Goodwill (Tables)
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets by Business Segment
The following table summarizes our intangible assets by business segment at the dates indicated:
September 30, 2025December 31, 2024
Gross
Value		Accumulated
Amortization		Carrying
Value		Gross
Value		Accumulated
Amortization		Carrying
Value
NGL Pipelines & Services:
Customer relationship intangibles$449 $(286)$163 $449 $(276)$173 
Contract-based intangibles1,050 (167)883 754 (141)613 
Segment total1,499 (453)1,046 1,203 (417)786 
Crude Oil Pipelines & Services:
Customer relationship intangibles2,195 (689)1,506 2,195 (627)1,568 
Contract-based intangibles283 (279)4 283 (278)5 
Segment total2,478 (968)1,510 2,478 (905)1,573 
Natural Gas Pipelines & Services:
Customer relationship intangibles1,351 (691)660 1,351 (663)688 
Contract-based intangibles1,146 (254)892 1,081 (227)854 
Segment total2,497 (945)1,552 2,432 (890)1,542 
Petrochemical & Refined Products Services:
Customer relationship intangibles181 (97)84 181 (92)89 
Contract-based intangibles45 (30)15 45 (30)15 
Segment total226 (127)99 226 (122)104 
Total intangible assets$6,700 $(2,493)$4,207 $6,339 $(2,334)$4,005 
Schedule of Amortization Expense of our Intangible Assets by Business Segment
The following table presents the amortization expense of our intangible assets by business segment for the periods indicated:
For the Three Months
Ended September 30,		For the Nine Months
Ended September 30,
2025202420252024
NGL Pipelines & Services$13 $12 $36 $33 
Crude Oil Pipelines & Services21 27 63 78 
Natural Gas Pipelines & Services19 13 55 39 
Petrochemical & Refined Products Services2 2 5 5 
Total$55 $54 $159 $155 
Schedule of Forecasted Amortization Expense Associated with Existing Intangible Assets
The following table presents our forecast of amortization expense associated with existing intangible assets for the periods indicated:
Remainder
of 2025		2026202720282029
$59 $231 $225 $214 $214