| Document and Entity Information Document | May 11, 2020 |
| Entity Information [Line Items] | |
| Entity Central Index Key | 0001161154 |
| Amendment Flag | false |
| Document Type | 8-K |
| Document Period End Date | May 11, 2020 |
| Entity Address, Address Line One | 8111 Westchester Drive |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Address, Address Line Two | Suite 600 |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75225 |
| City Area Code | 214 |
| Local Phone Number | 981-0700 |
| Entity Registrant Name | ENERGY TRANSFER OPERATING, L.P. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-31219 |
| Entity Tax Identification Number | 73-1493906 |
| NEW YORK STOCK EXCHANGE, INC. [Member] | 7.50% Senior Notes Due 2020 [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 7.500% Senior Notes due 2020 |
| Trading Symbol | ETP 20 |
| Security Exchange Name | NYSE |
| NEW YORK STOCK EXCHANGE, INC. [Member] | 4.25% Senior Notes due March 15, 2023 [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 4.250% Senior Notes due 2023 |
| Trading Symbol | ETP 23 |
| Security Exchange Name | NYSE |
| NEW YORK STOCK EXCHANGE, INC. [Member] | 5.875% Senior Notes due January 15, 2024 [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 5.875% Senior Notes due 2024 |
| Trading Symbol | ETP 24 |
| Security Exchange Name | NYSE |
| NEW YORK STOCK EXCHANGE, INC. [Member] | 5.5% Senior Notes due June 1, 2027 [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 5.500% Senior Notes due 2027 |
| Trading Symbol | ETP 27 |
| Security Exchange Name | NYSE |
| Series C Preferred Units [Member] | NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 7.375% Series C Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units |
| Trading Symbol | ETPprC |
| Security Exchange Name | NYSE |
| Series D Preferred Units [Member] | NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 7.625% Series D Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units |
| Trading Symbol | ETPprD |
| Security Exchange Name | NYSE |
| Series E Preferred Units [Member] | NEW YORK STOCK EXCHANGE, INC. [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 7.600% Series E Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units |
| Trading Symbol | ETPprE |
| Security Exchange Name | NYSE |
