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Capital Accounts | 3 Months Ended
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Mar. 31, 2024
Capital Accounts [Abstract] |
Capital Accounts | Note 8. Capital Accounts Common Limited Partner Interests The following table summarizes changes in the number of our common units outstanding since December 31, 2023:
Common units outstanding at December 31, 2023 |  |  | 2,168,245,238 |
Common unit repurchases under 2019 Buyback Program |  |  | (1,386,835 | )
Common units issued in connection with the vesting of phantom unit awards, net |  |  | 4,679,377 |
Other |  |  | 20,574 |
Common units outstanding at March 31, 2024 |  |  | 2,171,558,354 |
Registration Statements We have a universal shelf registration statement on file with the SEC which allows the Partnership and EPO (each on a standalone basis) to issue an unlimited amount of equity and debt securities, respectively. In addition, the Partnership has a registration statement on file with the SEC covering the issuance of up to $2.5 billion of its common units in amounts, at prices and on terms based on market conditions and other factors at the time of such offerings (referred to as the Partnership’s at-the-market (“ATM”) program). The Partnership did not issue any common units under its ATM program during the three months ended March 31, 2024. The Partnership’s capacity to issue additional common units under the ATM program remains at $2.5 billion as of March 31, 2024. We may issue additional equity and debt securities to assist us in meeting our future liquidity requirements, including those related to capital investments. Common Unit Repurchases Under 2019 Buyback Program In January 2019, we announced that the Board had approved a $2.0 billion multi-year unit buyback program (the “2019 Buyback Program”), which provides the Partnership with an additional method to return capital to investors. The 2019 Buyback Program authorizes the Partnership to repurchase its common units from time to time, including through open market purchases and negotiated transactions. No time limit has been set for completion of the program, and it may be suspended or discontinued at any time. The Partnership repurchased 1,386,835 and 682,589 common units under the 2019 Buyback Program through open market purchases during the three months ended March 31, 2024 and 2023, respectively. The total cost of these repurchases, including commissions and fees, was $40 million and $17 million, respectively. Common units repurchased under the 2019 Buyback Program are immediately cancelled upon acquisition. At March 31, 2024, the remaining available capacity under the 2019 Buyback Program was $1.0 billion. Common Units Issued in Connection With the Vesting of Phantom Unit Awards After taking into account tax withholding requirements, the Partnership issued 4,679,377 new common units to employees in connection with the vesting of phantom unit awards during the three months ended March 31, 2024. See Note 12 for information regarding our phantom unit awards. Common Units Delivered Under DRIP and EUPP The Partnership has registration statements on file with the SEC in connection with its distribution reinvestment plan (“DRIP”) and employee unit purchase plan (“EUPP”). In July 2019, the Partnership announced that, beginning with the quarterly distribution payment paid in August 2019, it would use common units purchased on the open market, rather than issuing new common units, to satisfy its delivery obligations under the DRIP and EUPP. This election is subject to change in future quarters depending on the Partnership’s need for equity capital. During the three months ended March 31, 2024, agents of the Partnership purchased 1,598,778 common units on the open market and delivered them to participants in the DRIP and EUPP. Apart from $1 million attributable to the plan discount available to all participants in the EUPP, the funds used to effect these purchases were sourced from the DRIP and EUPP participants. No other Partnership funds were used to satisfy these obligations. We plan to use open market purchases to satisfy DRIP and EUPP reinvestments in connection with the distribution expected to be paid on May 14, 2024. Preferred Units There were 50,412 of our Series A Cumulative Convertible Preferred Units (“preferred units”) outstanding at March 31, 2024. We present the capital accounts attributable to our preferred unitholders as mezzanine equity on our consolidated balance sheets since the terms of the preferred units allow for cash redemption by such unitholders in the event of a Change of Control (as defined in our partnership agreement), without regard to the likelihood of such an event. During the three months ended March 31, 2024, the Partnership made quarterly cash distributions to its preferred unitholders of $1 million. Accumulated Other Comprehensive Income (Loss) The following tables present the components of accumulated other comprehensive income (loss) as reported on our Unaudited Condensed Consolidated Balance Sheets at the dates indicated:
|  | Cash Flow Hedges |  |  |  |  |  |  |
|  | Commodity Derivative Instruments |  |  | Interest Rate Derivative Instruments |  |  | Other |  |  | Total |
Accumulated Other Comprehensive Income (Loss), December 31, 2023 |  | $ | 154 |  |  | $ | 151 |  |  | $ | 2 |  |  | $ | 307 |
Other comprehensive income (loss) for period, before reclassifications |  |  | (162 | ) |  |  | 2 |  |  |  | – |  |  |  | (160 | )
Reclassification of losses (gains) to net income during period |  |  | (2 | ) |  |  | (2 | ) |  |  | – |  |  |  | (4 | )
Total other comprehensive income (loss) for period |  |  | (164 | ) |  |  | – |  |  |  | – |  |  |  | (164 | )
Accumulated Other Comprehensive Income (Loss), March 31, 2024 |  | $ | (10 | ) |  | $ | 151 |  |  | $ | 2 |  |  | $ | 143 |
|  | Cash Flow Hedges |  |  |  |  |  |  |
|  | Commodity Derivative Instruments |  |  | Interest Rate Derivative Instruments |  |  | Other |  |  | Total |
Accumulated Other Comprehensive Income (Loss), December 31, 2022 |  | $ | 171 |  |  | $ | 192 |  |  | $ | 2 |  |  | $ | 365 |
Other comprehensive income (loss) for period, before reclassifications |  |  | (89 | ) |  |  | (5 | ) |  |  | – |  |  |  | (94 | )
Reclassification of losses (gains) to net income during period |  |  | (32 | ) |  |  | 2 |  |  |  | – |  |  |  | (30 | )
Total other comprehensive income (loss) for period |  |  | (121 | ) |  |  | (3 | ) |  |  | – |  |  |  | (124 | )
Accumulated Other Comprehensive Income (Loss), March 31, 2023 |  | $ | 50 |  |  | $ | 189 |  |  | $ | 2 |  |  | $ | 241 |
The following table presents reclassifications of (income) loss out of accumulated other comprehensive income (loss) into net income during the periods indicated:
|  |  | For the Three Months Ended March 31, |
Losses (gains) on cash flow hedges: | Location |  | 2024 |  |  | 2023 |
Interest rate derivatives | Interest expense |  | $ | (2 | ) |  | $ | 2 |
Commodity derivatives | Revenue |  |  | (19 | ) |  |  | (24 | )
Commodity derivatives | Operating costs and expenses |  |  | 17 |  |  |  | (8 | )
Total |  |  | $ | (4 | ) |  | $ | (30 | )
For information regarding our interest rate and commodity derivative instruments, see Note 13. Noncontrolling Interests On February 16, 2024, we acquired the remaining 20% equity interest in Whitethorn Pipeline Company LLC (“Whitethorn”) and remaining 25% equity interest in Enterprise EF78 LLC (“EF78”) from affiliates of Western Midstream Partners, LP (“Western Midstream”) for total cash consideration of $375 million. We funded the cash consideration using cash on hand and proceeds from the issuance of short-term notes under our commercial paper program. As a result of these transactions, Whitethorn and EF78 are now our wholly owned subsidiaries. Additionally, on March 27, 2024, we acquired an additional 15% equity interest in Panola Pipeline Company, LLC (“Panola”) from an affiliate of Western Midstream for $25 million in cash consideration. We funded the cash consideration using cash on hand. As a result of this transaction, our equity interest in Panola increased to 70%. Since we had a controlling interest in each of these entities before and after the acquisitions, the increase in our ownership interest in each entity was accounted for as an equity transaction with no gain or loss recognized. Cash Distributions On April 5, 2024, we announced that the Board declared a quarterly cash distribution of $0.5150 per common unit, or $2.06 per common unit on an annualized basis, to be paid to the Partnership’s common unitholders with respect to the first quarter of 2024. The quarterly distribution is payable on May 14, 2024 to unitholders of record as of the close of business on April 30, 2024. The total amount to be paid is $1.13 billion, which includes $11 million for distribution equivalent rights (“DERs”) on phantom unit awards. The payment of quarterly cash distributions is subject to management’s evaluation of our financial condition, results of operations and cash flows in connection with such payments and Board approval. Management will evaluate any future increases in cash distributions on a quarterly basis.

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