Related Party Transactions - Schedule of Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Related Party Transaction [Line Items]
Revenues	$ 18,269	$ 11,363	$ 32,655	$ 26,780
Costs and expenses	16,129	9,660	28,696	23,410
Related parties
Related Party Transaction [Line Items]
Revenues	14	11	30	24
Costs and expenses	486	446	949	871
Unconsolidated affiliates
Related Party Transaction [Line Items]
Revenues	14	11	30	24
Costs and expenses	53	37	95	75
EPCO and its privately held affiliates
Related Party Transaction [Line Items]
Costs and expenses	$ 433	$ 409	$ 854	$ 796