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Equity-Based Awards, Profits Interest Awards (Details) - Profits Interest Awards [Member]
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2022
USD ($)
$ / shares
shares
EPD IV [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 30 days
Partnership common units contributed by EPCO Holdings (in units) | shares 6,400,000
Class A capital base $ 173 [1]
Class A preference return | $ / shares $ 0.4325
Estimated fair value of profits interest awards $ 25 [2]
Unrecognized Compensation Expense [Abstract]  
Unrecognized compensation cost $ 4 [3]
Recognition period for total unrecognized compensation cost 10 months 24 days
Estimated Grant Date Fair Value Assumptions [Abstract]  
Expected life of award from grant date 5 years
EPD IV [Member] | Minimum [Member]  
Estimated Grant Date Fair Value Assumptions [Abstract]  
Risk-free interest rate 0.20%
Expected distribution yield 6.50%
Expected unit price volatility 27.00%
EPD IV [Member] | Maximum [Member]  
Estimated Grant Date Fair Value Assumptions [Abstract]  
Risk-free interest rate 2.80%
Expected distribution yield 8.40%
Expected unit price volatility 39.00%
EPCO Unit II [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 30 days
Partnership common units contributed by EPCO Holdings (in units) | shares 1,600,000
Class A capital base $ 43 [1]
Class A preference return | $ / shares $ 0.4325
Estimated fair value of profits interest awards $ 6 [2]
Unrecognized Compensation Expense [Abstract]  
Unrecognized compensation cost $ 0 [3]
Recognition period for total unrecognized compensation cost 10 months 24 days
Estimated Grant Date Fair Value Assumptions [Abstract]  
Expected life of award from grant date 5 years
EPCO Unit II [Member] | Minimum [Member]  
Estimated Grant Date Fair Value Assumptions [Abstract]  
Risk-free interest rate 0.20%
Expected distribution yield 6.30%
Expected unit price volatility 24.00%
EPCO Unit II [Member] | Maximum [Member]  
Estimated Grant Date Fair Value Assumptions [Abstract]  
Risk-free interest rate 2.80%
Expected distribution yield 8.40%
Expected unit price volatility 36.00%
[1] Represents the fair market value of the Partnership’s common units contributed to each Employee Partnership at the applicable contribution date.
[2] Represents the total fair value of the profits interest awards awarded to the Class B limited partners of each Employee Partnership irrespective of how such costs will be allocated between us and EPCO and its privately held affiliates.  The fair value is as of the grant date or as of the plan modification date, as applicable.
[3] Represents our expected share of the unrecognized compensation cost at December 31, 2022, which we expect to recognize over a weighted-average period of 0.9 years.