Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Period Type:	duration

Partners' Capital and Distributions - Common Equity Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Common Units
Partners Capital and Distribution
Repurchase and cancellation of common units under the Common Equity Repurchase Program (units)	4,876,062	2,375,299	4,940,592	350,000
Common Equity Repurchase Program
Partners Capital and Distribution
Common equity repurchase program, repurchased amount					$ 74	$ 53
Common equity repurchase program, remaining amount	$ 198				$ 198
Common Equity Repurchase Program \| Common Units
Partners Capital and Distribution
Repurchase and cancellation of common units under the Common Equity Repurchase Program (units)					7,300,000	5,300,000