Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Partners' Capital and Distributions - PAA Series B Preferred Unit Distributions (Details) - Series B Preferred Units - PAA - USD ($) $ / shares in Units, $ in Millions	Nov. 17, 2025	Aug. 15, 2025	May 15, 2025	Feb. 18, 2025	Sep. 30, 2025
Other current liabilities
Partners' Capital and Distributions [Line Items]
Amount accrued to distributions payable					$ 9
Cash Distribution
Partners' Capital and Distributions [Line Items]
Preferred unit distribution amount		$ 18	$ 17	$ 18
Preferred unit distribution amount (in usd per share)		$ 22.23	$ 21.49	$ 22.73
Cash Distribution \| Forecast
Partners' Capital and Distributions [Line Items]
Preferred unit distribution amount	$ 18
Preferred unit distribution amount (in usd per share)	$ 21.93