Number of Straddle Plants, Additional Interests Acquired

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+ References

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

+ References

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions, Divestitures and Other Transactions - Asset Exchange (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2021 USD ($) plant	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Gain on divestiture of assets		$ (592)	$ (719)	$ (28)
(Gains)/losses on asset sales and asset impairments, net
Business Acquisition [Line Items]
Gain on divestiture of assets			$ 178
Inter Pipeline Ltd \| Asset Exchange Transaction \| (Gains)/losses on asset sales and asset impairments, net
Business Acquisition [Line Items]
Gain on divestiture of assets	$ 106
Additional Interests in Straddle Plants \| Inter Pipeline Ltd \| Asset Exchange Transaction
Business Acquisition [Line Items]
Cash consideration, including working capital and other adjustments	$ 32
Additional Interests in Straddle Plants \| Inter Pipeline Ltd \| NGL \| Asset Exchange Transaction
Business Acquisition [Line Items]
Number of straddle plants, additional interests acquired \| plant	2