Debt Obligations Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2020	Jan. 31, 2020
USAC [Member]
Line of Credit Facility, Remaining Borrowing Capacity	$ 1,140
2.9% Senior Notes due 2025 [Member]
Senior Notes		$ 1,000
Debt Instrument, Interest Rate, Stated Percentage		2.90%
ETO Credit Facility due December 2022 [Member]
Long-term Commercial Paper, Noncurrent	113
Line of Credit Facility, Current Borrowing Capacity	2,970
Long-term Line of Credit	1,960
Line of Credit Facility, Maximum Borrowing Capacity	5,000
Letters of Credit Outstanding, Amount	$ 72
Line of Credit Facility, Interest Rate at Period End	2.24%
ETO Credit Facility due December 2022 [Member] | Accordion feature [Member]
Long-term Line of Credit	$ 6,000
ETO 364-day Credit Facility due November 2019 [Member]
Long-term Line of Credit	0
Line of Credit Facility, Maximum Borrowing Capacity	1,000
Sunoco LP $1.5 billion Revolving Credit Facility due July 2023 [Member] | Traverse
Line of Credit Facility, Current Borrowing Capacity	1,500
Long-term Line of Credit	265
Letters of Credit Outstanding, Amount	8
Line of Credit Facility, Remaining Borrowing Capacity	$ 1,230
Line of Credit Facility, Interest Rate at Period End	2.63%
USAC Credit Facility, due 2023 [Member] | USA Compression Partners, LP [Member]
Line of Credit Facility, Current Borrowing Capacity	$ 1,600
Line of Credit Facility, Maximum Borrowing Capacity	400
USAC Credit Facility, due 2023 [Member] | USAC [Member]
Long-term Line of Credit	459
Letters of Credit Outstanding, Amount	0
Line of Credit Facility, Remaining Borrowing Capacity	$ 186
Line of Credit Facility, Interest Rate at Period End	3.67%
ETO Term Loan [Member] | ETO [Member]
Long-term Line of Credit	$ 2,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000
Line of Credit Facility, Interest Rate at Period End	1.92%
3.75% Senior Notes due 2030 [Member]
Senior Notes		$ 1,500
Debt Instrument, Interest Rate, Stated Percentage		3.75%
5.0% Senior Notes due 2050 [Member]
Senior Notes		$ 2,000
Debt Instrument, Interest Rate, Stated Percentage		5.00%
5.75% Senior Notes due September 1, 2020 [Member] | ETO [Member]
Senior Notes		$ 400
4.15% Senior Notes due October 1, 2020 [Member] | ETO [Member]
Senior Notes		1,050
7.5% Senior Notes due October 15, 2020 [Member] | ETO [Member]
Senior Notes		1,140
5.50% Senior Notes, due February 15, 2020 [Member] | ETO [Member]
Senior Notes		250
5.36% Senior Unsecured Notes, due December 9, 2020 [Member] | Transwestern [Member]
Senior Notes		175
HFOTCO Tax Exempt Notes due 2050 [Member]
Senior Notes	$ 225
Parent Company [Member] | ETE 7.5% Senior Notes due 2020 [Member]
Senior Notes		$ 52