Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Revenues - related parties:
Total revenue - related parties	$ 13	$ 19	$ 26	$ 35
Costs and expenses - related parties:
Operating costs and expenses	332	337	657	652
General and administrative expenses	38	38	72	75
Total costs and expenses - related parties	370	375	729	727
Related Party [Member]
Costs and expenses - related parties:
Total accounts receivable - related parties	7		7		$ 11
Total accounts payable - related parties	90		90		232
EPCO and its privately held affiliates [Member]
Costs and expenses - related parties:
Total costs and expenses - related parties	335	315	645	606
Total accounts receivable - related parties	0		0		1
Total accounts payable - related parties	83		83		221
Distributions:
Total cash distributions			666	632
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member]
Costs and expenses - related parties:
Operating costs and expenses	295	275	568	526
General and administrative expenses	35	36	66	72
Total costs and expenses - related parties	330	311	634	598
EPCO and its privately held affiliates [Member] | Related Party Operating Leases [Member]
Costs and expenses - related parties:
Total costs and expenses - related parties	$ 4	4	$ 7	7
EPCO and its privately held affiliates [Member] | Common Units [Member]
Relationship with Affiliates [Abstract]
Total Number of Units (in units)	702,185,916		702,185,916
Percentage of total units outstanding	32.30%		32.30%
Enterprise common units pledged as security (in units)	62,976,464		62,976,464
Unconsolidated affiliates [Member]
Revenues - related parties:
Total revenue - related parties	$ 13	19	$ 26	35
Costs and expenses - related parties:
Total costs and expenses - related parties	35	$ 60	84	$ 121
Total accounts receivable - related parties	7		7		10
Total accounts payable - related parties	$ 7		$ 7		$ 11