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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

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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