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v3.19.3.a.u2

Equity and Distributions, Summary of Changes in Outstanding Units (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Summary of changes in outstanding units [Roll Forward] |  |  |
Number of units issued and outstanding, beginning balance (in units) | 2,184,869,029 | 2,161,089,479 | 2,117,588,414
Common units issued in connection with ATM program (in units) |  |  | 21,807,726
Common unit repurchases under buyback program (in units) | (2,909,128) | (1,236,800) |
Common units issued in connection with DRIP and EUPP (in units) | 2,897,990 | 19,861,951 | 19,046,019
Common units issued in connection with the vesting of phantom unit awards (in units) | 3,895,049 | 3,479,958 | 2,485,580
Common units issues in connection with the vesting of restricted common unit awards (in units) |  |  | 0
Forfeiture of restricted common unit awards (in units) |  |  | (1,250)
Cancellation of treasury units acquired in connection with the vesting of equity-based awards (in units) | (1,174,446) | (1,037,522) | (1,027,798)
Common units issued in connection with employee compensation (in units) | 1,626,041 | 1,443,586 | 1,176,103
Common units issued in connection with land acquisition (in units) |  | 1,223,242 |
Other (in units) | 21,595 | 45,135 | 14,685
Number of units issued and outstanding, ending balance (in units) | 2,189,226,130 | 2,184,869,029 | 2,161,089,479
Common Units (Unrestricted) [Member] |  |  |
Summary of changes in outstanding units [Roll Forward] |  |  |
Number of units issued and outstanding, beginning balance (in units) | 2,184,869,029 | 2,161,089,479 | 2,116,906,120
Common units issued in connection with ATM program (in units) |  |  | 21,807,726
Common unit repurchases under buyback program (in units) | (2,909,128) | (1,236,800) |
Common units issued in connection with DRIP and EUPP (in units) | 2,897,990 | 19,861,951 | 19,046,019
Common units issued in connection with the vesting of phantom unit awards (in units) | 3,895,049 | 3,479,958 | 2,485,580
Common units issues in connection with the vesting of restricted common unit awards (in units) |  |  | 681,044
Forfeiture of restricted common unit awards (in units) |  |  | 0
Cancellation of treasury units acquired in connection with the vesting of equity-based awards (in units) | (1,174,446) | (1,037,522) | (1,027,798)
Common units issued in connection with employee compensation (in units) | 1,626,041 | 1,443,586 | 1,176,103
Common units issued in connection with land acquisition (in units) |  | 1,223,242 |
Other (in units) | 21,595 | 45,135 | 14,685
Number of units issued and outstanding, ending balance (in units) | 2,189,226,130 | 2,184,869,029 | 2,161,089,479
Restricted Common Units [Member] |  |  |
Summary of changes in outstanding units [Roll Forward] |  |  |
Number of units issued and outstanding, beginning balance (in units) | 0 | 0 | 682,294
Common units issued in connection with ATM program (in units) |  |  | 0
Common unit repurchases under buyback program (in units) | 0 | 0 |
Common units issued in connection with DRIP and EUPP (in units) | 0 | 0 | 0
Common units issued in connection with the vesting of phantom unit awards (in units) | 0 | 0 | 0
Common units issues in connection with the vesting of restricted common unit awards (in units) |  |  | (681,044)
Forfeiture of restricted common unit awards (in units) |  |  | (1,250)
Cancellation of treasury units acquired in connection with the vesting of equity-based awards (in units) | 0 | 0 | 0
Common units issued in connection with employee compensation (in units) | 0 | 0 | 0
Common units issued in connection with land acquisition (in units) |  | 0 |
Other (in units) | 0 | 0 | 0
Number of units issued and outstanding, ending balance (in units) | 0 | 0 | 0

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