v3.26.1
Organization and Basis of Consolidation and Presentation (Details)
shares in Millions
6 Months Ended
Jun. 30, 2026
segment
shares
Organization Consolidation and Presentation of Financial Statements [Line Items]  
Operating segments number | segment 2
PAA | AAP  
Organization Consolidation and Presentation of Financial Statements [Line Items]  
Ownership interest (units) | shares 233.0
Ownership interest (as a percent) 31.00%
AAP | PAGP  
Organization Consolidation and Presentation of Financial Statements [Line Items]  
Ownership interest (as a percent) 85.00%