Derivative Assets And Liabilities Outstanding Commodity Derivatives (Details)

9 Months Ended

12 Months Ended

Sep. 30, 2017

MMbtu

barrels

Megawatt

bbl

Dec. 31, 2016

MMbtu

barrels

Megawatt

bbl

WTI Crude Oil [Member] | Future [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

WTI Crude Oil [Member] | Future [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume | bbl

160,000

617,000

Natural Gas Liquids [Member] | Forwards Swaps [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas Liquids [Member] | Forwards Swaps [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume | bbl

4,647,000

5,786,627

Power [Member] | Forwards Swaps [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume | Megawatt

665,040

391,880

Power [Member] | Forwards Swaps [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Power [Member] | Forwards Swaps [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Power [Member] | Options - Calls [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Power [Member] | Options - Calls [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume | Megawatt

545,600

186,400

Power [Member] | Options - Calls [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Power [Member] | Options - Calls [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Power [Member] | Future [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume | Megawatt

213,840

Power [Member] | Future [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume | Megawatt

109,564

Power [Member] | Future [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Power [Member] | Future [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Power [Member] | Options - Puts [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Power [Member] | Options - Puts [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume | Megawatt

280,800

50,400

Power [Member] | Options - Puts [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Power [Member] | Options - Puts [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume

20,220,000

52,652,500

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Non Trading [Member] | Fair Value Hedging Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Non Trading [Member] | Fair Value Hedging Derivatives [Member] | Short [Member]

Notional Volume

41,102,500

36,370,000

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume

682,500

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume

1,297,500

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Minimum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Maximum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2019

Natural Gas [Member] | Fixed Swaps/Futures [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Natural Gas [Member] | Forward Physical Swaps [Member] | Minimum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Forward Physical Swaps [Member] | Maximum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Natural Gas [Member] | Forward Physical Contracts [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Forward Physical Contracts [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume

140,937,993

22,492,489

Natural Gas [Member] | Hedged Item - Inventory (MMBtu) [Member] | Non Trading [Member] | Fair Value Hedging Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Hedged Item - Inventory (MMBtu) [Member] | Non Trading [Member] | Fair Value Hedging Derivatives [Member] | Long [Member]

Notional Volume

41,102,500

36,370,000

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume

67,500

10,750,000

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Non Trading [Member] | Fair Value Hedging Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Non Trading [Member] | Fair Value Hedging Derivatives [Member] | Short [Member]

Notional Volume

41,102,500

36,370,000

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

^[1]

2017

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume

^[1]

15,810,000

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume

^[1]

2,242,500

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Minimum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Maximum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2020

2018

Natural Gas [Member] | Basis Swaps IFERC/NYMEX [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2019

Natural Gas [Member] | Swing Swaps IFERC [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Swing Swaps IFERC [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume

5,662,500

Natural Gas [Member] | Swing Swaps IFERC [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume

91,897,500

Natural Gas [Member] | Swing Swaps IFERC [Member] | Minimum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Swing Swaps IFERC [Member] | Maximum [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2019

Natural Gas [Member] | Options - Puts [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2018

Natural Gas [Member] | Options - Puts [Member] | Trading [Member] | Mark-To-Market Derivatives [Member] | Long [Member]

Notional Volume

13,000,000

Natural Gas [Member] | Options - Puts [Member] | Minimum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Natural Gas [Member] | Options - Puts [Member] | Maximum [Member] | Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2019

Refined Products [Member] | Future [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member]

Term Of Commodity Derivatives

2017

Refined Products [Member] | Future [Member] | Non Trading [Member] | Mark-To-Market Derivatives [Member] | Short [Member]

Notional Volume | barrels

2,240,000

[1]	Includes aggregate amounts for open positions related to Houston Ship Channel, Waha Hub, NGPL TexOk, West Louisiana Zone and Henry Hub locations.

Energy Transfer, LP 10-Q