Capital Accounts, Issuances of Equity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) Contract shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Mar. 05, 2020 $ / shares	Dec. 31, 2014
Liquidity Option Agreement [Abstract]
Percentage of capital stock we agreed to purchase under liquidity option agreement	100.00%
Liquidity Option exercise period	90 days
Common units issued to Skyline North Americas, Inc. in connection with settlement of Liquidity Option			$ 1,297
Buyback Program:
Common units acquired in connection with buyback program	$ 250	$ 214	$ 186
Oiltanking Partners L.P. [Member]
Liquidity Option Agreement [Abstract]
Limited partner interest of Oiltanking acquired					65.90%
Phantom Unit Awards [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Common units issued in connection with the vesting of phantom unit awards, net (in units) | shares	4,571,333	3,936,437	3,162,095
Enterprise Products Partners L.P. [Member]
Liquidity Option Agreement [Abstract]
Closing price (in dollars per unit) | $ / shares				$ 23.67
2019 Buyback Program [Member]
Buyback Program:
Total of common units repurchased under a buyback program (in units) | shares	10,166,923	9,891,956	8,978,317
Common units acquired in connection with buyback program	$ 250	$ 214	$ 186
Amount authorized under 2019 Buyback Program	2,000
Remaining available capacity under the 2019 Buyback Program	1,300
At-the-Market Registration [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance	2,500
Net Cash Proceeds from Sale of Common Units [Abstract]
Remaining units available for issuance	2,500
Skyline Registration Rights Agreement [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance	$ 500
Liquidity Option Agreement [Abstract]
Number of registration statements following exercise of Liquidity Option | Contract	5
Distribution Reinvestment Plan [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Remaining units available for issuance (in units) | shares	39,951,651
Employee Unit Purchase Plan [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance (in units) | shares	23,000,000	8,000,000
Net Cash Proceeds from Sale of Common Units [Abstract]
Employer contribution to EUPP	$ 3	$ 3	$ 2
Remaining units available for issuance (in units) | shares	16,226,159
Distribution Reinvestment and Employee Unit Purchase Plans [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Number of common units purchased on the open market and delivered to participants (in units) | shares	6,392,846	6,363,197	6,982,963