Partners' Capital and Distributions - PAA Distributions (Details) - PAA - USD ($) $ / shares in Units, $ in Millions				12 Months Ended
	Feb. 15, 2023	Feb. 14, 2023	Jan. 09, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Partners Capital and Distribution [Line Items]
Number of days after end of quarter within which distributions must be paid to unitholders				45 days
Cash Distribution | Series A Preferred Units
Partners Capital and Distribution [Line Items]
Total distribution amount				$ 149	$ 149	$ 149
Cash Distribution | Series B Preferred Units
Partners Capital and Distribution [Line Items]
Total distribution amount				49	49	49
Cash Distribution | Common Units
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners				$ 584	$ 517	$ 655
Distributions per common unit (in dollars per share)				$ 0.8325	$ 0.7200	$ 0.9000
Cash Distribution | Common Units | Subsequent Event
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners		$ 187
Distributions per common unit (in dollars per share)			$ 0.2675
Public | Cash Distribution | Common Units
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners				$ 383	$ 341	$ 432
AAP | Cash Distribution | Common Units
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners				201	$ 176	$ 223
AAP | Fourth quarter distribution | Cash Distribution | Common Units | Subsequent Event
Partners Capital and Distribution [Line Items]
Distributions paid to limited partners		65
Other current liabilities | Series B Preferred Units
Partners Capital and Distribution [Line Items]
Distributions payable				$ 9
Other current liabilities | Cash Distribution | Series A Preferred Units | Subsequent Event
Partners Capital and Distribution [Line Items]
Total distribution amount		$ 37
Other current liabilities | Cash Distribution | Series B Preferred Units | Subsequent Event
Partners Capital and Distribution [Line Items]
Total distribution amount	$ 18