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Equity-Based Awards, Profits Interest Awards (Details)
$ / shares in Units, $ in Millions

12 Months Ended

Dec. 31, 2019

USD ($)

$ / shares

shares

EPD PubCo I [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Vesting period

30 days

Enterprise common units contributed to Employee Partnership by EPCO Holdings (in units) | shares

2,723,052

Class A capital base

$ 63.7

^[1]

Class A preference return | $ / shares

$ 0.3900

Estimated grant date fair value of profits interest awards

$ 12.9

^[2]

Unrecognized Compensation Expense [Abstract]

Unrecognized compensation cost

$ 0.8

^[3]

Estimated Grant Date Fair Value Assumptions [Abstract]

Expected life of award

4 years

EPD PubCo I [Member] | Minimum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

0.90%

Expected distribution yield

5.90%

Expected unit price volatility

15.00%

EPD PubCo I [Member] | Maximum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

2.70%

Expected distribution yield

7.00%

Expected unit price volatility

40.00%

EPD PubCo II [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Vesting period

30 days

Enterprise common units contributed to Employee Partnership by EPCO Holdings (in units) | shares

2,834,198

Class A capital base

$ 66.3

^[1]

Class A preference return | $ / shares

$ 0.3900

Estimated grant date fair value of profits interest awards

$ 14.9

^[2]

Unrecognized Compensation Expense [Abstract]

Unrecognized compensation cost

$ 4.0

^[3]

Recognition period for total unrecognized compensation cost

1 year 1 month 6 days

Estimated Grant Date Fair Value Assumptions [Abstract]

Expected life of award

5 years

EPD PubCo II [Member] | Minimum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

1.10%

Expected distribution yield

5.90%

Expected unit price volatility

19.00%

EPD PubCo II [Member] | Maximum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

3.00%

Expected distribution yield

7.00%

Expected unit price volatility

40.00%

EPD PrivCo I [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Vesting period

30 days

Enterprise common units contributed to Employee Partnership by EPCO Holdings (in units) | shares

1,111,438

Class A capital base

$ 26.0

^[1]

Class A preference return | $ / shares

$ 0.3900

Estimated grant date fair value of profits interest awards

$ 5.8

^[2]

Unrecognized Compensation Expense [Abstract]

Unrecognized compensation cost

$ 0.3

^[3]

Recognition period for total unrecognized compensation cost

1 year 1 month 6 days

Estimated Grant Date Fair Value Assumptions [Abstract]

Expected life of award

5 years

EPD PrivCo I [Member] | Minimum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

1.20%

Expected distribution yield

6.10%

Expected unit price volatility

28.00%

EPD PrivCo I [Member] | Maximum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

1.60%

Expected distribution yield

6.70%

Expected unit price volatility

40.00%

EPD IV [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Vesting period

30 days

Enterprise common units contributed to Employee Partnership by EPCO Holdings (in units) | shares

6,400,000

Class A capital base

$ 172.9

^[1]

Class A preference return | $ / shares

$ 0.4325

Estimated grant date fair value of profits interest awards

$ 26.7

^[2]

Unrecognized Compensation Expense [Abstract]

Unrecognized compensation cost

$ 18.4

^[3]

Recognition period for total unrecognized compensation cost

3 years 10 months 24 days

Estimated Grant Date Fair Value Assumptions [Abstract]

Expected life of award

5 years

EPD IV [Member] | Minimum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

2.80%

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

6.50%

Expected unit price volatility

27.00%

EPCO Unit II [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Vesting period

30 days

Enterprise common units contributed to Employee Partnership by EPCO Holdings (in units) | shares

1,600,000

Class A capital base

$ 43.2

^[1]

Class A preference return | $ / shares

$ 0.4325

Estimated grant date fair value of profits interest awards

$ 6.6

^[2]

Unrecognized Compensation Expense [Abstract]

Unrecognized compensation cost

$ 0.5

^[3]

Recognition period for total unrecognized compensation cost

3 years 10 months 24 days

Estimated Grant Date Fair Value Assumptions [Abstract]

Expected life of award

5 years

EPCO Unit II [Member] | Minimum [Member]

Estimated Grant Date Fair Value Assumptions [Abstract]

Risk-free interest rate

1.60%

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

6.80%

Expected unit price volatility

27.00%

[1]	Represents the fair market value of EPD common units contributed to each Employee Partnership at the applicable contribution date.
[2]	Represents the total grant date 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.
[3]	Represents our expected share of the unrecognized compensation cost at December 31, 2019. We expect to recognize our share of the unrecognized compensation cost for PubCo II, PrivCo I, EPD IV and EPCO II over a weighted-average period of 1.1 years, 1.1 years, 3.9 years and 3.9 years, respectively.  The Class B limited partner interests of PubCo I vested on February 22, 2020.

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Fair market value of initial investment made by Class A Limited Partner of each Employee Partnership.

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